Comments
Loading...
Mersana Therapeutics Insider Trading Activity | NASDAQ:MRSN | Benzinga
Track the latest Mersana Therapeutics insider trading activity. Stay informed on recent buys, sells, and market impact for Mersana Therapeutics stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are Mersana Therapeutics Inc Insiders Doing?
Insiders have report no purchases/sales in the last 30 days.
Notable Recent Insider Buys and Sales
There has been no Insider buying or selling in the last 90 days.
Ownership Statistics for Mersana Therapeutics Inc
Shares Outstanding
124.631M
Insider Shares Owned
1.720M
Insider Percentage Owned
1.38%
Institutional Shares Held
23.877M
Institutional Percentage Held
19.2%
| Jan 17, 2025 | Ashish Mandelia | VP, CHIEF ACCOUNTING OFFICER | 5.13K | $0.58 | -$2.06K | SELL-OPTIONS | 9.79% | 57.52K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Anna Protopapas | DIRECTOR | 12.61K | $0.58 | -$5.01K | SELL-OPTIONS | 5.54% | 240.30K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFFICER | 11.74K | $0.58 | -$4.67K | SELL-OPTIONS | 4.77% | 257.67K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Martin Huber Jr | PRESIDENT, CEO | 6.55K | $0.58 | -$2.62K | SELL-OPTIONS | 5.63% | 122.88K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Brian DeSchuytner | SVP, COO & CFO | 12.36K | $0.58 | -$4.91K | SELL-OPTIONS | 11.34% | 121.39K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 7.40K | $0.58 | -$2.96K | SELL-OPTIONS | 10.44% | 78.30K | Jan 15 - Jan 16 | View |
| Jan 17, 2025 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 8.64K | $0.58 | -$3.44K | SELL-OPTIONS | 14.35% | 68.87K | Jan 15 - Jan 16 | View |
| Jan 16, 2025 | Anna Protopapas | DIRECTOR | 10.56K | $0.63 | -$3.90K | SELL-OPTIONS | 4.86% | 227.69K | Jan 14 - Jan 15 | View |
| Jan 16, 2025 | Ashish Mandelia | VP, CHIEF ACCOUNTING OFFICER | 2.99K | $0.63 | -$1.13K | SELL-OPTIONS | 6.06% | 52.39K | Jan 14 - Jan 15 | View |
| Jan 16, 2025 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFFICER | 3.00K | $0.63 | -$1.13K | SELL-OPTIONS | 1.23% | 245.93K | Jan 14 - Jan 15 | View |
| Jan 16, 2025 | Brian DeSchuytner | SVP, COO & CFO | 3.92K | $0.63 | -$1.47K | SELL-OPTIONS | 3.73% | 109.03K | Jan 14 - Jan 15 | View |
| Jan 16, 2025 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 1.55K | $0.63 | -$599.76 | SELL-OPTIONS | 2.23% | 70.89K | Jan 14 - Jan 15 | View |
| Jan 15, 2025 | Anna Protopapas | DIRECTOR | 19.72K | $0.66 | -$7.61K | SELL-OPTIONS | 9.99% | 217.13K | Jan 13 - Jan 14 | View |
| Jan 15, 2025 | Ashish Mandelia | VP, CHIEF ACCOUNTING OFFICER | 1.64K | $0.66 | -$664.62 | SELL-OPTIONS | 3.43% | 49.40K | Jan 13 - Jan 14 | View |
| Jan 15, 2025 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFFICER | 5.89K | $0.66 | -$2.30K | SELL-OPTIONS | 2.49% | 242.93K | Jan 13 - Jan 14 | View |
| Jan 15, 2025 | Brian DeSchuytner | SVP, COO & CFO | 6.29K | $0.66 | -$2.45K | SELL-OPTIONS | 6.36% | 105.11K | Jan 13 - Jan 14 | View |
| Jan 15, 2025 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 5.63K | $0.66 | -$2.20K | SELL-OPTIONS | 8.83% | 69.34K | Jan 13 - Jan 14 | View |
| Jan 15, 2025 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 5.50K | $0.66 | -$2.15K | SELL-OPTIONS | 10.04% | 60.23K | Jan 13 - Jan 14 | View |
| Oct 29, 2024 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 4.37K | $1.90 | -$3.58K | SELL-OPTIONS | 8.67% | 54.73K | Oct 25 - Oct 28 | View |
| Oct 07, 2024 | Brian DeSchuytner | SVP, COO & CFO | 36.31K | $1.98 | -$27.15K | SELL-OPTIONS | 62.06% | 94.82K | Oct 01 - Oct 03 | View |
| Oct 07, 2024 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 36.31K | $1.98 | -$27.15K | SELL-OPTIONS | 132.51% | 63.72K | Oct 01 - Oct 03 | View |
| Oct 07, 2024 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 36.31K | $1.98 | -$27.15K | SELL-OPTIONS | 258.42% | 50.37K | Oct 01 - Oct 03 | View |
| Oct 07, 2024 | Ashish Mandelia | VP, CHIEF ACCOUNTING OFFICER | 21.78K | $1.98 | -$16.30K | SELL-OPTIONS | 83.87% | 47.76K | Oct 01 - Oct 03 | View |
| Oct 07, 2024 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFFICER | 36.31K | $1.98 | -$27.15K | SELL-OPTIONS | 18.22% | 235.64K | Oct 01 - Oct 03 | View |
| Sep 13, 2024 | Martin Huber Jr | PRESIDENT, CEO | 116.33K | $1.76 | -$88.74K | SELL-OPTIONS | ∞ | 116.33K | Sep 11 - Sep 12 | View |
| Jan 17, 2024 | Anna Protopapas | DIRECTOR | 57.56K | $2.71 | -$79.67K | SELL-OPTIONS | 41.16% | 197.42K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | TUSHAR MISRA | SVP, CHIEF MANUF. OFFICER | 5.18K | $2.71 | -$9.10K | SELL-OPTIONS | 40.56% | 17.97K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | Ashish Mandelia | VP, CHIEF ACCOUNTING OFFICER | 7.75K | $2.71 | -$13.62K | SELL-OPTIONS | 49.80% | 23.33K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFFICER | 18.97K | $2.71 | -$28.21K | SELL-OPTIONS | 10.52% | 199.33K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 7.08K | $2.71 | -$11.87K | SELL-OPTIONS | 34.82% | 27.40K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | Brian DeSchuytner | SVP, COO & CFO | 17.13K | $2.71 | -$25.28K | SELL-OPTIONS | 45.83% | 54.51K | Jan 13 - Jan 16 | View |
| Jan 17, 2024 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 5.32K | $2.71 | -$9.30K | SELL-OPTIONS | 60.91% | 14.05K | Jan 13 - Jan 16 | View |
| Oct 27, 2023 | Mohan Bala | SVP, CHIEF DEVELOPMENT OFFICER | 4.34K | $1.13 | -$2.16K | SELL-OPTIONS | 98.70% | 8.73K | Oct 25 - Oct 26 | View |
| Aug 18, 2023 | TUSHAR MISRA | SVP, CHIEF MANUF. OFFICER | 4.34K | $1.18 | -$2.25K | SELL-OPTIONS | 60.60% | 11.51K | Aug 16 - Aug 17 | View |
| Apr 28, 2023 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 9.31K | $3.89 | -$15.34K | SELL-OPTIONS | 84.45% | 20.33K | Apr 26 - Apr 27 | View |
| Jan 18, 2023 | Arvin Yang | SVP, CHIEF MEDICAL OFFICER | 4.88K | $5.74 | -$12.68K | SELL-OPTIONS | 18.79% | 30.82K | Jan 14 - Jan 17 | View |
| Jan 18, 2023 | Anna Protopapas | PRESIDENT & CEO | 38.36K | $5.74 | -$99.57K | SELL-OPTIONS | 46.42% | 121.00K | May 20 - Jan 17 | View |
| Jan 18, 2023 | Ashish Mandelia | VP, CONTROLLER | 6.56K | $5.74 | -$20.52K | SELL-OPTIONS | 92.96% | 13.62K | Jan 14 - Jan 17 | View |
| Jan 18, 2023 | TUSHAR MISRA | SVP, CMO | 1.00K | $5.74 | -$2.63K | SELL-OPTIONS | 20.31% | 5.93K | Jan 14 - Jan 17 | View |
| Jan 18, 2023 | Timothy Lowinger | SVP, CHIEF SCI.&TECH. OFF. | 13.77K | $5.74 | -$35.78K | SELL-OPTIONS | 8.26% | 180.36K | Jan 14 - Jan 17 | View |
| Jan 18, 2023 | Brian DeSchuytner | SVP, CHIEF FINANCIAL OFFICER | 11.33K | $5.74 | -$29.45K | SELL-OPTIONS | 52.80% | 32.78K | Jan 14 - Jan 17 | View |
| Jan 18, 2023 | Alejandra Carvajal | SVP, CHIEF LEGAL OFFICER | 1.72K | $5.74 | -$4.49K | SELL-OPTIONS | 18.47% | 11.02K | Jan 14 - Jan 17 | View |
| Dec 02, 2022 | Arvin Yang | CHIEF MEDICAL OFFICER | 12.97K | $6.59 | -$36.42K | SELL-OPTIONS | 100.00% | 25.95K | Nov 30 - Dec 01 | View |
| Aug 18, 2022 | TUSHAR MISRA | CHIEF MANUFACTURING OFFICER | 4.37K | $7.10 | -$13.34K | SELL-OPTIONS | ∞ | 4.37K | Aug 16 - Aug 17 | View |
| Jun 02, 2022 | Andrew Hack | DIRECTOR | 95.52K | $3.27 | $311.96K | BUY | 1.11% | 8.66M | May 31 - Jun 02 | View |
| May 26, 2022 | Andrew Hack | DIRECTOR | 265.15K | $3.22 | $854.17K | BUY | 3.19% | 8.57M | May 24 - May 26 | View |
| May 23, 2022 | Andrew Hack | DIRECTOR | 215.60K | $3.46 | $746.44K | BUY | 2.67% | 8.30M | May 19 - May 23 | View |
| May 18, 2022 | Andrew Hack | DIRECTOR | 350.00K | $3.25 | $1.14M | BUY | 4.52% | 8.09M | May 16 - May 18 | View |
| Apr 28, 2022 | Alejandra Carvajal | CHIEF LEGAL OFFICER | 9.30K | $3.69 | -$14.57K | SELL-OPTIONS | ∞ | 9.30K | Apr 26 | View |
| Apr 14, 2022 | Andrew Hack | DIRECTOR | 617.28K | $4.05 | $2.50M | BUY | 8.67% | 7.74M | Apr 13 | View |
| Apr 13, 2022 | Andrew Hack | DIRECTOR | 598.09K | $4.18 | $2.50M | BUY | 9.17% | 7.12M | Apr 12 | View |
| Feb 08, 2022 | Andrew Hack | DIRECTOR | 1.14M | $4.42 | $5.02M | BUY | 21.10% | 6.52M | Feb 07 | View |
| Jan 19, 2022 | Timothy Lowinger | CHIEF SCIENCE & TECH OFF. | 10.47K | $5.92 | -$28.07K | SELL-OPTIONS | 8.67% | 131.23K | Jan 14 - Jan 18 | View |
| Jan 19, 2022 | Ashish Mandelia | VP, CONTROLLER | 3.37K | $5.92 | -$11.73K | SELL-OPTIONS | ∞ | 3.37K | Jan 14 - Jan 18 | View |
| Jan 04, 2022 | Andrew Hack | DIRECTOR | 815.00K | $6.15 | $5.01M | BUY | 17.83% | 5.39M | Dec 30 | View |
| Jan 03, 2022 | Andrew Hack | DIRECTOR | 875.00K | $5.75 | $5.03M | BUY | 23.68% | 4.57M | Dec 29 | View |
| Dec 02, 2021 | Arvin Yang | CHIEF MEDICAL OFFICER | 12.97K | $6.81 | -$37.64K | SELL-OPTIONS | ∞ | 12.97K | Nov 30 - Dec 01 | View |
| Aug 24, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $8.59 | -$10.75K | SELL-OPTIONS | 0.00% | 75.17K | Aug 20 | View |
| Jul 22, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $9.13 | -$13.25K | SELL-OPTIONS | 0.00% | 75.17K | Jul 20 | View |
| Jul 19, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 23.73K | $12.24 | -$199.08K | SELL-OPTIONS | 46.13% | 75.17K | Jul 15 - Jul 19 | View |
| Jul 19, 2021 | Michael Kaufman | CHIEF MANUFACTURING OFFICER | 27.91K | $12.24 | -$147.90K | SELL-OPTIONS | 592.61% | 32.62K | Jul 15 - Jul 19 | View |
| Jul 19, 2021 | Anna Protopapas | PRESIDENT & CEO | 58.06K | $12.24 | -$513.19K | SELL-OPTIONS | 25.81% | 282.98K | Jul 15 - Jul 19 | View |
| Jul 02, 2021 | Timothy Lowinger | CS & TECHNOLOGY OFFICER | 0.00 | $8.56 | -$19.01K | SELL-OPTIONS | 0.00% | 31.44K | Jul 01 | View |
| Jul 02, 2021 | Ashish Mandelia | VP, CONTROLLER | -942.00 | $13.60 | -$12.81K | SELL | -100.00% | 0.00 | Jul 01 | View |
| Jun 23, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $9.97 | -$16.92K | SELL-OPTIONS | 0.00% | 31.44K | Jun 21 | View |
| Jun 03, 2021 | Lawrence Alleva | DIRECTOR | 1.03K | $14.38 | $14.88K | BUY | 95.39% | 2.12K | Jun 01 | View |
| May 24, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $9.52 | -$37.54K | SELL-OPTIONS | 0.00% | 31.44K | May 20 | View |
| Apr 22, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $10.43 | -$44.96K | SELL-OPTIONS | 0.00% | 31.44K | Apr 20 | View |
| Mar 24, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $11.22 | -$102.96K | SELL-OPTIONS | 0.00% | 31.44K | Mar 22 | View |
| Feb 24, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $12.48 | -$123.55K | SELL-OPTIONS | 0.00% | 31.44K | Feb 22 | View |
| Jan 22, 2021 | Timothy Lowinger | CHIEF SCIENCE & TECH. OFFICER | 0.00 | $13.24 | -$136.10K | SELL-OPTIONS | 0.00% | 31.44K | Jan 20 | View |
| Jan 20, 2021 | Ashish Mandelia | VP, CONTROLLER | 0.00 | $21.21 | -$17.69K | SELL-OPTIONS | 0.00% | 0.00 | Jan 15 - Jan 19 | View |
| Jan 06, 2021 | Ashish Mandelia | VP, CONTROLLER | -247.00 | $26.76 | -$6.61K | SELL | -100.00% | 0.00 | Jan 04 | View |
| Dec 22, 2020 | Timothy Lowinger | — | 0.00 | $15.27 | -$169.36K | OPTION EXERCISE | 0.00% | 0.00 | Dec 21 | View |
| Nov 24, 2020 | Timothy Lowinger | — | 0.00 | $14.00 | -$148.48K | OPTION EXERCISE | 0.00% | 0.00 | Nov 20 | View |
| Oct 22, 2020 | Timothy Lowinger | — | 16.85K | $10.03 | -$66.53K | OPTION EXERCISE | ∞ | 16.85K | Oct 20 - Oct 21 | View |
| Sep 23, 2020 | Timothy Lowinger | — | -12.41K | $12.80 | -$385.24K | OPTION EXERCISE | -100.00% | 0.00 | Sep 21 | View |
| Sep 16, 2020 | Eva Jack | — | 0.00 | $11.77 | -$721.53K | OPTION EXERCISE | 0.00% | 0.00 | Sep 14 | View |
| Jul 06, 2020 | Ashish Mandelia | — | 0.00 | $13.68 | -$59.61K | PURCHASE | 0.00% | 0.00 | Jun 30 - Jul 02 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.
