Mersana Therapeutics, Inc

(NASDAQ:MRSN)

Latest On Mersana Therapeutics, Inc (MRSN):

Date/Time Type Description Signal Details
2023-05-09 15:56 ESTNewsMersana Therapeutics GAAP EPS of -$0.52 misses by $0.09, revenue of $7.8M misses by $10.49MN/A
2023-05-09 15:56 ESTNewsMersana Therapeutics, Inc. (MRSN) Q1 2023 Earnings Call TranscriptN/A
2023-05-09 02:12 ESTNewsMersana Therapeutics Q1 2023 Earnings PreviewN/A
2023-05-03 13:13 ESTNewsSutro, Mersana jump after Immunogen data for ovarian cancer therapyN/A
2023-04-28 21:49 ESTNewsMersana jumps 18% on rival ImmunoGen's ovarian cancer treatment salesN/A
2023-04-04 00:23 ESTNewsMersana Therapeutics: Unrecognized Promise In UpRi's Cancer FightN/A
2023-03-16 20:51 ESTNewsMersana upgraded at JPMorgan ahead of ovarian cancer readout for lead assetN/A
2023-03-13 16:21 ESTNewsMersana sheds 14% as FDA places clinical hold on cancer studyN/A
2023-02-28 22:55 ESTNewsMersana Therapeutics, Inc. (MRSN) Q4 2022 Earnings Call TranscriptN/A
2023-02-28 07:13 ESTNewsMersana Therapeutics GAAP EPS of -$0.44 beats by $0.05, revenue of $14.69M beats by $1.02MN/A
2023-02-27 17:21 ESTNewsMersana Therapeutics Q4 2022 Earnings PreviewN/A
2023-01-23 05:40 ESTNewsMersana: I Like The Science, Derisking Will Come From More ProofN/A
2022-12-23 11:02 ESTNewsMersana Therapeutics in deal with Merck KGaA for antibody-drug conjugatesN/A
2022-12-22 18:12 ESTNewsMersana Therapeutics in deal with Merck KGaA for antibody drug conjugatesN/A
2022-12-14 19:57 ESTNewsMersana Therapeutics gets European orphan drug designation for ovarian cancer treatmentN/A
2022-11-22 05:08 ESTNewsImmunoGen, Mersana win buy ratings at Truist on ADC prospectsN/A
2022-11-07 21:56 ESTNewsMersana Therapeutics GAAP EPS of -$0.61 misses by $0.60, revenue of $5.57M misses by $51.21MN/A
2022-11-07 21:56 ESTNewsMersana Therapeutics, Inc. (MRSN) Q3 2022 Earnings Call TranscriptN/A
2022-11-04 23:06 ESTNewsMersana Therapeutics Q3 2022 Earnings PreviewN/A
2022-09-12 21:07 ESTNewsMersana gains as FDA grants fast track status for breast cancer drugN/A
2022-08-15 18:47 ESTNewsMersana Therapeutics: Savvy Partnering But Further Progress Is NeededN/A
2022-08-09 05:20 ESTNewsMersana Therapeutics GAAP EPS of -$0.55 misses by $0.03, revenue of $4.28M beats by $2.08MN/A
2022-08-09 05:20 ESTNewsMersana Therapeutics, Inc. 2022 Q2 - Results - Earnings Call PresentationN/A
2022-08-09 05:20 ESTNewsMersana Therapeutics, Inc. (MRSN) CEO Anna Protopapas on Q2 2022 Results - Earnings Call TranscriptN/A
2022-08-08 04:47 ESTNewsMersana Therapeutics Q2 2022 Earnings PreviewN/A
2022-06-11 04:37 ESTNewsMersana Therapeutics (MRSN) Investor Presentation - SlideshowN/A
2022-05-20 01:29 ESTNewsMersana wins FDA’s Orphan Drug Designation for gastric cancer candidateN/A
2022-05-20 01:28 ESTNewsBain Capital's Andrew Hack buys shares worth ~$1.1M in Mersana TherapeuticsN/A
2022-05-09 13:32 ESTNewsMersana Therapeutics GAAP EPS of -$0.59 misses by $0.27, revenue of $2.03MN/A
2022-05-09 13:32 ESTNewsMersana Therapeutics, Inc. (MRSN) CEO Anna Protopapas on Q1 2022 Results - Earnings Call TranscriptN/A
2022-03-21 21:31 ESTNewsMersana’s cancer therapy shows safety at lower doses without impact on efficacy - BTIGN/A
2022-02-28 15:36 ESTNewsMersana Therapeutics GAAP EPS of -$0.68 misses by $0.01,N/A
2022-02-28 15:36 ESTNewsMersana Therapeutics GAAP EPS of -$0.68 misses by $0.01, revenue of $0.01M in-lineN/A
2022-02-28 15:35 ESTNewsMersana Therapeutics, Inc. (MRSN) CEO Anna Protopapas on Q4 2021 Results - Earnings Call TranscriptN/A
2022-02-28 15:35 ESTNewsMersana Therapeutics, Inc. 2021 Q4 - Results - Earnings Call PresentationN/A
2022-02-26 06:16 ESTNewsMersana Therapeutics Q4 2021 Earnings PreviewN/A
2022-02-09 15:04 ESTNewsMersana Therapeutics jumps after director buys $5M sharesN/A
2022-02-03 14:37 ESTNewsJohnson & Johnson’s Jannsen unit in pact with Mersana for antibody-drug conjugatesN/A
2022-01-10 22:47 ESTNewsTaking The Measure Of Mersana TherapeuticsN/A
2022-01-08 00:41 ESTNewsMersana Therapeutics outlines upcoming milestones for 2022N/A
2022-01-04 15:43 ESTNewsMersana says Bain Capital raised passive stake to over 7%N/A
2021-11-10 12:14 ESTNewsMersana Therapeutics, Inc. (MRSN) CEO Anna Protopapas on Q3 2021 Results - Earnings Call TranscriptN/A
2021-11-09 13:08 ESTNewsMersana Therapeutics EPS misses by $0.05, beats on revenueN/A
2021-09-11 00:58 ESTNewsMersana tumbles after updating data from expansion phase of ovarian cancer trialN/A
2021-08-30 15:55 ESTNewsWainwright initiates Mersana Therapeutics with a buy, sees 115% upsideN/A
2021-08-07 03:28 ESTNewsMersana Therapeutics, Inc. (MRSN) CEO Anna Protopapas on Q2 2021 Results - Earnings Call TranscriptN/A
2021-08-06 07:03 ESTNewsMersana Therapeutics EPS misses by $0.09N/A
2021-07-29 01:46 ESTNewsMersana initiates early-stage platinum combination cohort for ovarian cancer studyN/A
2021-07-21 16:00 ESTNewsMersana: ADC Developer With New INDs, Sufficient Cash, And XMT-1536 ProgressN/A
2021-04-10 01:26 ESTNewsMersana Therapeutics starts dosing in upifitamab rilsodotin ovarian cancer studyN/A

About Mersana Therapeutics, Inc (MRSN):

Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, focuses on the development of antibody drug conjugates (ADC) for cancer patients with unmet need. The company develops XMT-1536, a Dolaflexin ADC targeting NaPi2b that is in Phase I clinical trial for the treatment of patients with ovarian cancer and non-small cell lung cancer (NSCLC) adenocarcinoma; and XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumors, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. It also develops XMT-1660, a B7-H4-targeted Dolasynthen ADC candidate; and XMT-2056, an immunosynthen development candidate. The company has a strategic research and development partnerships with Merck KGaA and Asana BioSciences, LLC for the development of ADC product candidates utilizing Fleximer. The company was formerly known as Nanopharma Corp. and changed its name to Mersana Therapeutics, Inc. in November 2005. Mersana Therapeutics, Inc. was incorporated in 2001 and is headquartered in Cambridge, Massachusetts.

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General

  • Name Mersana Therapeutics, Inc
  • Symbol MRSN
  • Type Common Stock
  • Exchange NASDAQ
  • Currency USD
  • Country USA
  • SectorHealthcare
  • IndustryBiotechnology
  • Full Time Employees 110
  • Fiscal Year EndDecember
  • IPO Date2017-06-28
  • Gic SectorHealth Care
  • Gic GroupPharmaceuticals, Biotechnology & Life Sciences
  • Gic IndustryBiotechnology
  • Gic SubIndustryBiotechnology
  • Web URLhttp://www.mersana.com
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Valuation

  • Price/Sales (Trailing 12 Mt.) 1349.26
  • Price/Book (Most Recent Quarter) 5.5
  • Enterprise Value Revenue 1227.04
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Financials

  • Most Recent Quarter 2020-12-31
  • Current Year EPS Estimate -$1.62
  • Next Year EPS Estimate -$1.76
  • Next Quarter EPS Estimate -$0.33
  • Operating Margin -10641%
  • Return on Assets -29%
  • Return on Equity -57%
  • Revenue 828000
  • Earnings Per Share -$1.12
  • Revenue Per Share $0.01
  • Gross Profit -66208000
  • Quarterly Earnings Growth -73.8%
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Highlights

  • Market Capitalization 1.25 billion
  • EBITDA -35152000
  • PE Ratio -1.85
  • Analyst Target Price $29.8
  • Book Value Per Share $3.31
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Share Statistics

  • Shares Outstanding 69.04 million
  • Shares Float 53.96 million
  • % Held by Insiders 125%
  • % Held by Institutions 98.25%
  • Shares Short 8.79 million
  • Shares Short Prior Month 8.49 million
  • Short Ratio 9.84
  • Short % of Float 16%
  • Short % of Shares Outstanding 13%
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Technicals

  • Beta 2.55
  • 52 Week High $29.09
  • 52 Week Low $4.12
  • 50 Day Moving Average 19.94
  • 200 Day Moving Average 21.01
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Dividends

  • Dividend Date N/A
  • ExDividend Date N/A
  • Dividend Yield 0%
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Mersana Therapeutics, Inc (MRSN) Dividend Calendar:

Ex-Dividend Date Payment Date Record Date Declared Date Amount

Mersana Therapeutics, Inc (MRSN) Earnings History:

Companies typically report earnings on both a quarterly and annual basis. Earnings reported that deviate from analysts' expectations can have a large impact on a stock's price.


Quarter Date Report Date Actual Revenue Reported EPS EPS Estimate Deviation from Estimate
2020-12-312021-02-26$N/A-$0.42-$0.32-31.46%
2020-09-302020-11-09$11000-$0.33-$0.30-9.67%
2020-06-302020-08-07$N/A-$0.33-$0.29-14.58%
2020-03-312020-05-08$N/A-$0.35-$0.375.81%
2019-12-312020-02-28$42000-$0.34-$0.3810.95%
2019-09-302019-11-06$844000-$0.35-$0.376.42%
2019-06-302019-08-08$202000-$0.36-$0.398.07%
2019-03-312019-05-09$41.04 million$0.70-$0.071157.4%
2018-12-312019-03-08$1.19 million-$0.97-$0.68-43.66%
2018-09-302018-11-13$2.15 million-$0.75-$0.59-26.63%
2018-06-302018-08-14$4.19 million-$0.54-$0.586.85%
2018-03-312018-05-14$3.06 million-$0.54-$0.599.01%
2017-12-312018-03-28$3.26 million-$0.61-$0.48-27.43%
2017-09-302017-11-09$6.27 million-$0.35-$0.4317.69%
2017-06-302017-08-11$3.73 million-$0.39-$0.5427.55%

Mersana Therapeutics, Inc (MRSN) Company Financial Statements:

Financial statements are reports prepared by a company's management to present their financial performance and position at a point in time. A general-purpose set of financial statements usually includes a balance sheet, income statements, and statement of cash flows.

Income Statement:
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Total Liabailities
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Inventory
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Mersana Therapeutics, Inc (MRSN) Chart:

Mersana Therapeutics, Inc (MRSN) News:

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Mersana Therapeutics, Inc (MRSN) Options:

A stock option is a contract between two parties in which the stock option buyer (holder) purchases the right (but not the obligation) to buy/sell 100 shares of an underlying stock at a predetermined price from/to the option seller (writer) within a fixed period of time.

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Latest MRSN Trades:

Date Shares Price
Jun 13, 2022 7:59 PM EST21$3.085
Jun 13, 2022 7:59 PM EST173$3.085
Jun 13, 2022 7:59 PM EST51$3.085
Jun 13, 2022 7:59 PM EST100$3.085
Jun 13, 2022 7:59 PM EST33$3.085

Mersana Therapeutics, Inc (MRSN) SEC Filings:

An SEC filing is a financial statement or other formal document submitted to the U.S. Securities and Exchange Commission (SEC). Public companies, certain insiders, and broker-dealers are required to make regular SEC filings.

Date Form Type Form Name Link
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120039303/0001209191-20-039303-index.htm
2018-07-11UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1442836/000000000018021273/0000000000-18-021273-index.htm
2020-05-13UPLOADSEC-generated letterhttps://www.sec.gov/Archives/edgar/data/1442836/000000000020004211/0000000000-20-004211-index.htm
2020-02-07SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000083423720008006/0000834237-20-008006-index.htm
2020-07-10SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000083423720009997/0000834237-20-009997-index.htm
2019-03-11SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000089914019000289/0000899140-19-000289-index.htm
2020-04-094Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000089924320010592/0000899243-20-010592-index.htm
2019-01-10SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000090221919000005/0000902219-19-000005-index.htm
2019-03-11SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000092189519000705/0000921895-19-000705-index.htm
2019-10-09SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000092189519002537/0000921895-19-002537-index.htm
2020-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000092189520000524/0000921895-20-000524-index.htm
2018-07-02S-3Registration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1442836/000104746918004853/0001047469-18-004853-index.htm
2018-07-12S-3/ARegistration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1442836/000104746918005005/0001047469-18-005005-index.htm
2018-09-14S-3/ARegistration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1442836/000104746918006217/0001047469-18-006217-index.htm
2019-02-28424B5Prospectus [Rule 424(b)(5)]https://www.sec.gov/Archives/edgar/data/1442836/000104746919000794/0001047469-19-000794-index.htm
2019-03-04424B5Prospectus [Rule 424(b)(5)]https://www.sec.gov/Archives/edgar/data/1442836/000104746919000878/0001047469-19-000878-index.htm
2019-04-23DEF 14AOther definitive proxy statementshttps://www.sec.gov/Archives/edgar/data/1442836/000104746919002499/0001047469-19-002499-index.htm
2020-04-09424B5Prospectus [Rule 424(b)(5)]https://www.sec.gov/Archives/edgar/data/1442836/000104746920002216/0001047469-20-002216-index.htm
2020-05-08S-3Registration statement under Securities Act of 1933https://www.sec.gov/Archives/edgar/data/1442836/000104746920002929/0001047469-20-002929-index.htm
2020-05-28424B5Prospectus [Rule 424(b)(5)]https://www.sec.gov/Archives/edgar/data/1442836/000104746920003225/0001047469-20-003225-index.htm
2020-05-29424B5Prospectus [Rule 424(b)(5)]https://www.sec.gov/Archives/edgar/data/1442836/000104746920003268/0001047469-20-003268-index.htm
2019-03-14SC 13D/AGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1442836/000107261319000135/0001072613-19-000135-index.htm
2020-04-24SC 13D/AGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1442836/000107261320000166/0001072613-20-000166-index.htm
2020-09-22SC 13D/AGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1442836/000107261320000324/0001072613-20-000324-index.htm
2018-06-11DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1442836/000110465918039406/0001104659-18-039406-index.htm
2018-06-298-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465918043214/0001104659-18-043214-index.htm
2018-07-054Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918044054/0001104659-18-044054-index.htm
2018-07-12CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1442836/000110465918044853/0001104659-18-044853-index.htm
2018-07-12CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1442836/000110465918044854/0001104659-18-044854-index.htm
2018-07-16CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1442836/000110465918045194/0001104659-18-045194-index.htm
2018-07-238-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465918046549/0001104659-18-046549-index.htm
2018-07-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918046944/0001104659-18-046944-index.htm
2018-08-148-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465918051960/0001104659-18-051960-index.htm
2018-08-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918054143/0001104659-18-054143-index.htm
2018-09-12CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1442836/000110465918056339/0001104659-18-056339-index.htm
2018-09-178-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465918057057/0001104659-18-057057-index.htm
2018-09-214Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918058009/0001104659-18-058009-index.htm
2018-09-214Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918058010/0001104659-18-058010-index.htm
2018-09-214Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918058011/0001104659-18-058011-index.htm
2018-09-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918058474/0001104659-18-058474-index.htm
2018-11-138-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465918067694/0001104659-18-067694-index.htm
2018-12-033Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918071078/0001104659-18-071078-index.htm
2018-12-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465918071080/0001104659-18-071080-index.htm
2019-01-048-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919000681/0001104659-19-000681-index.htm
2019-01-048-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919000682/0001104659-19-000682-index.htm
2019-01-044Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919000776/0001104659-19-000776-index.htm
2019-01-044Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919000777/0001104659-19-000777-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003410/0001104659-19-003410-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003411/0001104659-19-003411-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003413/0001104659-19-003413-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003414/0001104659-19-003414-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003415/0001104659-19-003415-index.htm
2019-01-254Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919003416/0001104659-19-003416-index.htm
2019-02-288-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919011537/0001104659-19-011537-index.htm
2019-03-048-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919012492/0001104659-19-012492-index.htm
2019-03-088-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919013501/0001104659-19-013501-index.htm
2019-03-08S-8Securities to be offered to employees in employee benefit planshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919013638/0001104659-19-013638-index.htm
2019-04-088-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919020310/0001104659-19-020310-index.htm
2019-04-23DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1442836/000110465919023084/0001104659-19-023084-index.htm
2019-05-098-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919027974/0001104659-19-027974-index.htm
2019-06-058-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034024/0001104659-19-034024-index.htm
2019-06-078-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034525/0001104659-19-034525-index.htm
2019-06-114Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034780/0001104659-19-034780-index.htm
2019-06-114Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034781/0001104659-19-034781-index.htm
2019-06-114Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034798/0001104659-19-034798-index.htm
2019-06-114Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919034799/0001104659-19-034799-index.htm
2019-06-128-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919035058/0001104659-19-035058-index.htm
2019-07-123Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919040172/0001104659-19-040172-index.htm
2019-07-124Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919040174/0001104659-19-040174-index.htm
2019-07-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919041098/0001104659-19-041098-index.htm
2019-07-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919041099/0001104659-19-041099-index.htm
2019-07-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919041100/0001104659-19-041100-index.htm
2019-07-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919041101/0001104659-19-041101-index.htm
2019-07-194Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919041102/0001104659-19-041102-index.htm
2019-07-268-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919042071/0001104659-19-042071-index.htm
2019-08-088-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919044679/0001104659-19-044679-index.htm
2019-08-218-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919046695/0001104659-19-046695-index.htm
2019-11-068-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919060230/0001104659-19-060230-index.htm
2019-11-278-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465919068163/0001104659-19-068163-index.htm
2019-12-23SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000110465919075212/0001104659-19-075212-index.htm
2020-01-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920000910/0001104659-20-000910-index.htm
2020-01-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920000912/0001104659-20-000912-index.htm
2020-01-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920000913/0001104659-20-000913-index.htm
2020-01-108-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920002837/0001104659-20-002837-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004760/0001104659-20-004760-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004761/0001104659-20-004761-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004763/0001104659-20-004763-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004765/0001104659-20-004765-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004769/0001104659-20-004769-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004771/0001104659-20-004771-index.htm
2020-01-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920004774/0001104659-20-004774-index.htm
2020-02-288-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920026510/0001104659-20-026510-index.htm
2020-02-28S-8Securities to be offered to employees in employee benefit planshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920027172/0001104659-20-027172-index.htm
2020-03-168-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920033682/0001104659-20-033682-index.htm
2020-03-208-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920036494/0001104659-20-036494-index.htm
2020-03-308-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920040376/0001104659-20-040376-index.htm
2020-04-088-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920044499/0001104659-20-044499-index.htm
2020-04-094Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920045116/0001104659-20-045116-index.htm
2020-04-158-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920046601/0001104659-20-046601-index.htm
2020-04-20DEF 14AOther definitive proxy statementshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920048401/0001104659-20-048401-index.htm
2020-04-20DEFA14AAdditional definitive proxy soliciting materials and Rule 14(a)(12) materialhttps://www.sec.gov/Archives/edgar/data/1442836/000110465920048405/0001104659-20-048405-index.htm
2020-05-088-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920058362/0001104659-20-058362-index.htm
2020-05-13CORRESPCorrespondencehttps://www.sec.gov/Archives/edgar/data/1442836/000110465920060844/0001104659-20-060844-index.htm
2020-05-148-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920061605/0001104659-20-061605-index.htm
2020-05-278-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920066071/0001104659-20-066071-index.htm
2020-05-28S-3MEFRegistration adding securities to prior Form S-3 registration [Rule 462(b)]https://www.sec.gov/Archives/edgar/data/1442836/000110465920067267/0001104659-20-067267-index.htm
2020-06-018-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920068487/0001104659-20-068487-index.htm
2020-06-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920069498/0001104659-20-069498-index.htm
2020-06-168-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920073836/0001104659-20-073836-index.htm
2020-06-243Initial statement of beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920076479/0001104659-20-076479-index.htm
2020-06-244Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920076483/0001104659-20-076483-index.htm
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920078225/0001104659-20-078225-index.htm
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920078227/0001104659-20-078227-index.htm
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920078228/0001104659-20-078228-index.htm
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920078229/0001104659-20-078229-index.htm
2020-07-064Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920081224/0001104659-20-081224-index.htm
2020-08-078-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920091688/0001104659-20-091688-index.htm
2020-09-038-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920102013/0001104659-20-102013-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920105768/0001104659-20-105768-index.htm
2020-09-178-KCurrent reporthttps://www.sec.gov/Archives/edgar/data/1442836/000110465920105874/0001104659-20-105874-index.htm
2020-09-234Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920107831/0001104659-20-107831-index.htm
2020-10-224Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2019-02-14SC 13GStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000117266119000530/0001172661-19-000530-index.htm
2019-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000117266119000654/0001172661-19-000654-index.htm
2020-02-14SC 13G/AStatement of acquisition of beneficial ownership by individualshttps://www.sec.gov/Archives/edgar/data/1442836/000117266120000895/0001172661-20-000895-index.htm
2020-04-17SC 13DGeneral statement of acquisition of beneficial ownershiphttps://www.sec.gov/Archives/edgar/data/1442836/000119312520110821/0001193125-20-110821-index.htm
2018-09-214Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919118051908/0001209191-18-051908-index.htm
2019-01-044Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919119001993/0001209191-19-001993-index.htm
2019-03-064Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919119017378/0001209191-19-017378-index.htm
2019-03-064Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919119017382/0001209191-19-017382-index.htm
2019-06-114Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919119036109/0001209191-19-036109-index.htm
2020-01-034Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120001085/0001209191-20-001085-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024272/0001209191-20-024272-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024291/0001209191-20-024291-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024292/0001209191-20-024292-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024293/0001209191-20-024293-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024294/0001209191-20-024294-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024295/0001209191-20-024295-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024296/0001209191-20-024296-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024297/0001209191-20-024297-index.htm
2020-04-134Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024299/0001209191-20-024299-index.htm
2020-04-144Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024389/0001209191-20-024389-index.htm
2020-04-144Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120024390/0001209191-20-024390-index.htm
2020-06-294Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120039303/0001209191-20-039303-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050709/0001209191-20-050709-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050711/0001209191-20-050711-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050712/0001209191-20-050712-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050713/0001209191-20-050713-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050714/0001209191-20-050714-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050715/0001209191-20-050715-index.htm
2020-09-164Statement of changes in beneficial ownership of securitieshttps://www.sec.gov/Archives/edgar/data/1442836/000120919120050716/0001209191-20-050716-index.htm
2018-08-1410-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837018007081/0001558370-18-007081-index.htm
2018-11-1310-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837018009290/0001558370-18-009290-index.htm
2019-03-0810-KAnnual report [Section 13 and 15(d), not S-K Item 405]https://www.sec.gov/Archives/edgar/data/1442836/000155837019001720/0001558370-19-001720-index.htm
2019-05-0910-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837019004673/0001558370-19-004673-index.htm
2019-08-0810-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837019007600/0001558370-19-007600-index.htm
2019-11-0610-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837019010082/0001558370-19-010082-index.htm
2020-02-2810-KAnnual report [Section 13 and 15(d), not S-K Item 405]https://www.sec.gov/Archives/edgar/data/1442836/000155837020001726/0001558370-20-001726-index.htm
2020-05-0810-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000155837020005892/0001558370-20-005892-index.htm
2020-08-0710-QQuarterly report [Sections 13 or 15(d)]https://www.sec.gov/Archives/edgar/data/1442836/000162828020012099/0001628280-20-012099-index.htm
2018-09-17EFFECTNotice of Effectivenesshttps://www.sec.gov/Archives/edgar/data/1442836/999999999518002388/9999999995-18-002388-index.htm
2020-05-15EFFECTNotice of Effectivenesshttps://www.sec.gov/Archives/edgar/data/1442836/999999999520001176/9999999995-20-001176-index.htm
2020-03-17CT ORDERConfidential treatment orderhttps://www.sec.gov/Archives/edgar/data/1442836/999999999720001241/9999999997-20-001241-index.htm

Mersana Therapeutics, Inc (MRSN) Insider Transactions:

Here you will find a list of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Mersana Therapeutics, Inc (MRSN). Company insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.
Insider Ownership: 125%
Institutional Ownership: 9825%

Transaction Date Insider Name Insider Title Type Shares Number Shares Price Total Transaction Shares Held After Transaction Link
2020-04-13Anthony A. Jr. Florence10% Share HolderSell20,914.008.50177,775.270.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024292/0001209191-20-024292-index.htm
2020-07-02Ashish MandeliaVP, ControllerSell3,383.0022.4976,083.670.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920081224/0001104659-20-081224-index.htm
2020-09-14Eva M. JackChief Bus. Officer, Tres, Sec.Sell35,248.0022.00775,456.000.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920105768/0001104659-20-105768-index.htm
2020-04-13FOREST BASKETT10% Share HolderSell20,914.008.50177,775.270.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024291/0001209191-20-024291-index.htm
2020-04-13FOREST BASKETT10% Share HolderSell3,190.008.5827,357.760.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024389/0001209191-20-024389-index.htm
2020-04-13SCOTT D SANDELL10% Share HolderSell20,914.008.50177,775.270.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024297/0001209191-20-024297-index.htm
2020-04-13SCOTT D SANDELL10% Share HolderSell1,650.008.9814,812.050.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024390/0001209191-20-024390-index.htm
2020-04-14SCOTT D SANDELL10% Share HolderSell274.009.222,526.280.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024390/0001209191-20-024390-index.htm
2020-09-21Timothy B LowingerChief Science, Tech. OfficerSell12,411.0020.66256,378.990.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920107831/0001104659-20-107831-index.htm
2020-10-20Timothy B LowingerChief Science & Tech. OfficerSell1,875.0016.7431,387.500.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-06-01Lawrence M AllevaDirectorBuy700.0022.9416,058.001,085.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920069498/0001104659-20-069498-index.htm
2019-03-05DAVID M MOTTDirectorBuy3,750,000.004.0015,000,000.0011,890,138.00https://www.sec.gov/Archives/edgar/data/1442836/000120919119017382/0001209191-19-017382-index.htm
2019-03-05New Enterprise Associates 14, L.P.10% Share HolderBuy3,750,000.004.0015,000,000.0011,890,138.00https://www.sec.gov/Archives/edgar/data/1442836/000120919119017378/0001209191-19-017378-index.htm
2019-08-28New Enterprise Associates 14, L.P.10% Share HolderSell1,211.002.913,524.0111,959,520.00https://www.sec.gov/Archives/edgar/data/1442836/000120919120024272/0001209191-20-024272-index.htm
2020-09-21Timothy B LowingerChief Science, Tech. OfficerSell3,749.0020.6677,444.5912,411.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920107831/0001104659-20-107831-index.htm
2018-07-23Timothy B LowingerChief Scientific OfficerSell3,500.0011.0638,710.0012,491.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918046944/0001104659-18-046944-index.htm
2018-08-27Timothy B LowingerChief Scientific OfficerSell3,500.0013.1546,025.0012,491.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918054143/0001104659-18-054143-index.htm
2018-09-24Timothy B LowingerChief Scientific OfficerSell3,500.0011.6340,705.0012,491.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918058474/0001104659-18-058474-index.htm
2018-07-03Timothy B LowingerChief Scientific OfficerBuy10,000.001.4014,000.0015,991.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918044054/0001104659-18-044054-index.htm
2018-08-27Timothy B LowingerChief Scientific OfficerBuy3,500.007.4326,005.0015,991.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918054143/0001104659-18-054143-index.htm
2018-09-24Timothy B LowingerChief Scientific OfficerBuy3,500.001.404,900.0015,991.00https://www.sec.gov/Archives/edgar/data/1442836/000110465918058474/0001104659-18-058474-index.htm
2020-10-20Timothy B LowingerChief Science & Tech. OfficerBuy1,611.007.4311,969.731,611.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-09-21Timothy B LowingerChief Science, Tech. OfficerBuy3,749.003.5113,158.9916,160.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920107831/0001104659-20-107831-index.htm
2020-10-20Timothy B LowingerChief Science & Tech. OfficerBuy15,240.001.4021,336.0016,851.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-10-21Timothy B LowingerChief Science & Tech. OfficerSell1,874.0017.5032,795.0016,851.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-09-21Timothy B LowingerChief Science, Tech. OfficerBuy4,454.006.1627,436.6416,865.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920107831/0001104659-20-107831-index.htm
2020-10-21Timothy B LowingerChief Science & Tech. OfficerBuy1,874.003.516,577.7418,725.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-10-20Timothy B LowingerChief Science & Tech. OfficerBuy1,875.003.516,581.251,875.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-10-21Timothy B LowingerChief Science & Tech. OfficerBuy2,227.006.1613,718.3219,078.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-10-20Timothy B LowingerChief Science & Tech. OfficerBuy2,227.006.1613,718.322,227.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920117168/0001104659-20-117168-index.htm
2020-04-07Andrew A. F. HackDirectorBuy2,800,000.005.5915,652,000.002,800,000.00https://www.sec.gov/Archives/edgar/data/1442836/000089924320010592/0000899243-20-010592-index.htm
2020-04-07Andrew A. F. HackDirectorBuy645,667.007.744,997,462.583,445,667.00https://www.sec.gov/Archives/edgar/data/1442836/000089924320010592/0000899243-20-010592-index.htm
2020-09-14Eva M. JackChief Bus. Officer, Tres, Sec.Buy35,248.001.5353,929.4435,248.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920105768/0001104659-20-105768-index.htm
2020-06-01Lawrence M AllevaDirectorBuy385.0022.978,843.45385.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920069498/0001104659-20-069498-index.htm
2020-04-07DAVID M MOTTDirectorBuy538,599.005.593,010,768.41538,599.00https://www.sec.gov/Archives/edgar/data/1442836/000110465920045116/0001104659-20-045116-index.htm