Mersana Therapeutics Inc. (MRSN) NASDAQ
$2.73 0.15 (5.81%)
Market Cap: $334.05M
As of 05/17/24 04:00 PM EDT. Market closed.
Mersana Therapeutics Inc. (MRSN)
NASDAQ
$2.73
0.15 (5.81%)
Market Cap: $334.05M
As of 05/17/24 04:00 PM EDT. Market closed.
Add to Portfolio
mersana is rewriting the rules for immunoconjugate therapies by leveraging our fleximer platform to create precisely targeted and highly tailored drugs that radically improve patients’ lives. our fleximer platform allows us to custom design an adc with specific properties to overcome limitations of current adc approaches and increase the drug’s chances of effectively attacking a particular ... read more
COMPANY PROFILE
Sector
Professional, Scientific, and Technical Services
Industry
Research and Development in Biotechnology (except Nanobiotechnology)
CEO
Anna Protopapas
Full Time Employees
255
CEO Compensation (Base)
$515,000
CEO Compensation (Total)
$2.61M
Sector
Professional, Scientific, and Technical Services
Industry
Research and Development in Biotechnology (except Nanobiotechnology)
CEO
Anna Protopapas
Full Time Employees
255
CEO Compensation (Base)
$515,000
CEO Compensation (Total)
$2.61M
URL
Address
840 Memorial Dr, Massachusetts, Cambridge, 02139-3789.
PRICE CHART FOR MERSANA THERAPEUTICS INC
From:
To:
NEWS
INSIDEARBITRAGE ARTICLES
KEY STATS
Open
$2.57
Previous Close
$2.58
Days Range
$2.49 - $2.78
52 week range
$0.80 - $9.62
Volume
2,505,265
Avg. Volume (30 days)
1,974,220
Market Cap
$334.05M
Dividend Yield
-
P/E
(2.48)
Shares Outstanding
122,361,236
Open
$2.57
Previous Close
$2.58
Days Range
$2.49 - $2.78
52 week range
$0.80 - $9.62
Volume
2,505,265
Avg. Volume (30 days)
1,974,220
Market Cap
$334.05M
Dividend Yield
-
P/E
(2.48)
Shares Outstanding
122,361,236
FINANCIAL STATEMENTS FOR MERSANA THERAPEUTICS INC
LOADING...
INSIDER TRANSACTIONS FOR MERSANA THERAPEUTICS INC
Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | Total Shares | Form 4 |
Protopapas Anna | Director | Jan 16, 2024 | Sale | $2.71 | 29,399 | 79,671 | 125,153 | Jan 17, 2024, 05:21 PM |
MISRA TUSHAR | SVP, Chief Manuf. Officer | Jan 16, 2024 | Sale | $2.71 | 3,357 | 9,097 | 17,966 | Jan 17, 2024, 05:21 PM |
Mandelia Ashish | VP, Chief Accounting Officer | Jan 16, 2024 | Sale | $2.71 | 5,025 | 13,618 | 23,328 | Jan 17, 2024, 05:20 PM |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | Jan 16, 2024 | Sale | $2.71 | 10,409 | 28,208 | 199,329 | Jan 17, 2024, 05:19 PM |
Carvajal Alejandra | SVP, Chief Legal Officer | Jan 16, 2024 | Sale | $2.71 | 4,381 | 11,873 | 27,403 | Jan 17, 2024, 05:18 PM |
DeSchuytner Brian | SVP, COO & CFO | Jan 16, 2024 | Sale | $2.71 | 9,327 | 25,276 | 54,511 | Jan 17, 2024, 05:18 PM |
Bala Mohan | SVP, Chief Development Officer | Jan 16, 2024 | Sale | $2.71 | 3,431 | 9,298 | 14,052 | Jan 17, 2024, 05:16 PM |
Bala Mohan | SVP, Chief Development Officer | Oct 26, 2023 | Sale | $1.13 | 1,912 | 2,161 | 8,733 | Oct 27, 2023, 04:07 PM |
MISRA TUSHAR | SVP, Chief Manuf. Officer | Aug 17, 2023 | Sale | $1.18 | 1,908 | 2,251 | 11,507 | Aug 18, 2023, 04:01 PM |
Carvajal Alejandra | SVP, Chief Legal Officer | Apr 27, 2023 | Sale | $3.89 | 3,944 | 15,342 | 20,326 | Apr 28, 2023, 04:15 PM |
Yang Arvin | SVP, Chief Medical Officer | Jan 17, 2023 | Sale | $5.74 | 2,209 | 12,680 | 30,821 | Jan 18, 2023, 08:29 PM |
Protopapas Anna | President & CEO | Jan 17, 2023 | Sale | $5.74 | 17,346 | 99,566 | 48,733 | Jan 18, 2023, 08:24 PM |
Mandelia Ashish | VP, Controller | Jan 17, 2023 | Sale | $5.74 | 3,575 | 20,520 | 13,619 | Jan 18, 2023, 08:20 PM |
MISRA TUSHAR | SVP, CMO | Jan 17, 2023 | Sale | $5.74 | 458 | 2,629 | 5,930 | Jan 18, 2023, 08:18 PM |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | Jan 17, 2023 | Sale | $5.74 | 6,233 | 35,777 | 180,363 | Jan 18, 2023, 08:14 PM |
DeSchuytner Brian | SVP, Chief Financial Officer | Jan 17, 2023 | Sale | $5.74 | 5,131 | 29,452 | 32,781 | Jan 18, 2023, 08:12 PM |
Carvajal Alejandra | SVP, Chief Legal Officer | Jan 17, 2023 | Sale | $5.74 | 782 | 4,489 | 11,020 | Jan 18, 2023, 08:09 PM |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | Dec 14, 2022 | Option Exercise | $1.49 | 35,361 | 52,658 | 166,595 | Dec 16, 2022, 04:46 PM |
Yang Arvin | Chief Medical Officer | Dec 01, 2022 | Sale | $6.59 | 5,527 | 36,423 | 25,946 | Dec 02, 2022, 04:01 PM |
MISRA TUSHAR | Chief Manufacturing Officer | Aug 17, 2022 | Sale | $7.10 | 1,879 | 13,341 | 4,371 | Aug 18, 2022, 04:40 PM |
Hack Andrew A. F. | Director | Jun 02, 2022 | Buy | $3.20 | 14,760 | 47,182 | 8,663,673 | Jun 02, 2022, 06:17 PM |
Hack Andrew A. F. | Director | May 31, 2022 | Buy | $3.28 | 80,759 | 264,776 | 8,648,913 | Jun 02, 2022, 06:17 PM |
Hack Andrew A. F. | Director | May 26, 2022 | Buy | $3.19 | 75,000 | 238,942 | 8,568,154 | May 26, 2022, 06:02 PM |
Hack Andrew A. F. | Director | May 25, 2022 | Buy | $3.17 | 90,155 | 286,242 | 8,493,154 | May 26, 2022, 06:02 PM |
Hack Andrew A. F. | Director | May 24, 2022 | Buy | $3.29 | 100,000 | 328,990 | 8,402,999 | May 26, 2022, 06:02 PM |
Hack Andrew A. F. | Director | May 19, 2022 | Buy | $3.49 | 100,000 | 348,620 | 8,187,400 | May 23, 2022, 05:49 PM |
Hack Andrew A. F. | Director | May 23, 2022 | Buy | $3.35 | 15,599 | 52,247 | 8,302,999 | May 23, 2022, 05:49 PM |
Hack Andrew A. F. | Director | May 20, 2022 | Buy | $3.46 | 100,000 | 345,570 | 8,287,400 | May 23, 2022, 05:49 PM |
Hack Andrew A. F. | Director | May 18, 2022 | Buy | $3.35 | 211,268 | 707,262 | 8,087,400 | May 18, 2022, 06:19 PM |
Hack Andrew A. F. | Director | May 17, 2022 | Buy | $3.18 | 3,440 | 10,952 | 7,876,132 | May 18, 2022, 06:19 PM |
Hack Andrew A. F. | Director | May 16, 2022 | Buy | $3.10 | 135,292 | 419,446 | 7,872,692 | May 18, 2022, 06:19 PM |
Carvajal Alejandra | Chief Legal Officer | Apr 26, 2022 | Sale | $3.69 | 3,948 | 14,568 | 9,302 | Apr 28, 2022, 05:23 PM |
Hack Andrew A. F. | Director | Apr 13, 2022 | Buy | $4.05 | 617,284 | 2,500,000 | 7,737,400 | Apr 14, 2022, 04:59 PM |
Hack Andrew A. F. | Director | Apr 12, 2022 | Buy | $4.18 | 598,086 | 2,499,880 | 7,120,116 | Apr 13, 2022, 06:27 PM |
Hack Andrew A. F. | Director | Feb 07, 2022 | Buy | $4.42 | 1,136,363 | 5,022,725 | 6,522,030 | Feb 08, 2022, 05:04 PM |
Lowinger Timothy B | Chief Science & Tech Off. | Jan 18, 2022 | Sale | $5.92 | 4,741 | 28,067 | 131,234 | Jan 19, 2022, 06:25 PM |
Mandelia Ashish | VP, Controller | Jan 18, 2022 | Sale | $5.92 | 1,982 | 11,733 | 3,371 | Jan 19, 2022, 06:19 PM |
Hack Andrew A. F. | Director | Dec 29, 2021 | Buy | $5.75 | 875,000 | 5,031,250 | 4,570,667 | Jan 03, 2022, 06:28 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Dec 20, 2021 | Option Exercise | $1.40 | 45,593 | 63,830 | 120,766 | Dec 20, 2021, 05:01 PM |
Yang Arvin | Chief Medical Officer | Dec 01, 2021 | Sale | $6.81 | 5,527 | 37,639 | 12,973 | Dec 02, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Aug 20, 2021 | Option Exercise | $6.16 | 2,216 | 13,651 | 77,389 | Aug 24, 2021, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Aug 20, 2021 | Sale | $11.01 | 2,216 | 24,398 | 75,173 | Aug 24, 2021, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jul 20, 2021 | Option Exercise | $6.16 | 2,227 | 13,718 | 77,400 | Jul 22, 2021, 04:32 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jul 20, 2021 | Sale | $12.11 | 2,227 | 26,969 | 75,173 | Jul 22, 2021, 04:32 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jul 19, 2021 | Sale | $12.02 | 8,496 | 102,122 | 75,173 | Jul 19, 2021, 08:50 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jul 16, 2021 | Sale | $12.47 | 7,775 | 96,954 | 83,669 | Jul 19, 2021, 08:50 PM |
Kaufman Michael J. | Chief Manufacturing Officer | Jul 19, 2021 | Sale | $12.02 | 6,312 | 75,870 | 32,622 | Jul 19, 2021, 08:50 PM |
Kaufman Michael J. | Chief Manufacturing Officer | Jul 16, 2021 | Sale | $12.47 | 5,776 | 72,027 | 38,934 | Jul 19, 2021, 08:50 PM |
Protopapas Anna | President & CEO | Jul 19, 2021 | Sale | $12.02 | 21,901 | 263,250 | 282,978 | Jul 19, 2021, 08:49 PM |
Protopapas Anna | President & CEO | Jul 16, 2021 | Sale | $12.47 | 20,043 | 249,936 | 304,879 | Jul 19, 2021, 08:49 PM |
Lowinger Timothy B | CS & Technology Officer | Jul 08, 2021 | Option Exercise | $1.40 | 20,000 | 28,000 | 51,444 | Jul 09, 2021, 05:25 PM |
Lowinger Timothy B | CS & Technology Officer | Jul 01, 2021 | Option Exercise | $3.52 | 1,886 | 6,644 | 33,330 | Jul 02, 2021, 04:32 PM |
Lowinger Timothy B | CS & Technology Officer | Jul 01, 2021 | Sale | $13.60 | 1,886 | 25,650 | 31,444 | Jul 02, 2021, 04:32 PM |
Mandelia Ashish | VP, Controller | Jul 01, 2021 | Sale | $13.60 | 942 | 12,811 | 0 | Jul 02, 2021, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jun 21, 2021 | Option Exercise | $6.16 | 2,220 | 13,670 | 33,662 | Jun 23, 2021, 04:30 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jun 21, 2021 | Sale | $13.78 | 2,220 | 30,592 | 31,444 | Jun 23, 2021, 04:30 PM |
Alleva Lawrence M | Director | Jun 01, 2021 | Buy | $14.38 | 1,035 | 14,883 | 2,120 | Jun 03, 2021, 06:58 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Apr 20, 2021 | Option Exercise | $4.95 | 4,102 | 20,300 | 33,671 | Apr 22, 2021, 04:16 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Apr 20, 2021 | Sale | $15.91 | 4,102 | 65,263 | 31,444 | Apr 22, 2021, 04:16 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Mar 22, 2021 | Option Exercise | $4.95 | 8,203 | 40,596 | 33,671 | Mar 24, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Mar 22, 2021 | Sale | $17.50 | 8,203 | 143,553 | 31,444 | Mar 24, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Feb 22, 2021 | Option Exercise | $4.95 | 8,203 | 40,596 | 33,671 | Feb 24, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Feb 22, 2021 | Sale | $20.01 | 8,203 | 164,142 | 31,444 | Feb 24, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jan 20, 2021 | Option Exercise | $4.95 | 8,203 | 40,596 | 33,671 | Jan 22, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jan 20, 2021 | Sale | $21.54 | 8,203 | 176,693 | 31,444 | Jan 22, 2021, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Jan 15, 2021 | Option Exercise | $21.09 | 2,324 | 49,013 | 31,444 | Jan 20, 2021, 07:05 PM |
Kaufman Michael J. | Sr VP, Chemistry, Man.&Control | Jan 15, 2021 | Option Exercise | $21.09 | 1,957 | 41,273 | 4,710 | Jan 20, 2021, 07:04 PM |
DeSchuytner Brian | Sr. VP., FIN, Product Strategy | Jan 15, 2021 | Option Exercise | $21.09 | 1,162 | 24,507 | 6,423 | Jan 20, 2021, 07:04 PM |
Protopapas Anna | President & CEO | Jan 15, 2021 | Option Exercise | $21.09 | 5,198 | 109,626 | 224,922 | Jan 20, 2021, 07:04 PM |
Mandelia Ashish | VP, Controller | Jan 15, 2021 | Option Exercise | $21.09 | 289 | 6,095 | 545 | Jan 20, 2021, 07:03 PM |
Mandelia Ashish | VP, Controller | Jan 19, 2021 | Sale | $21.28 | 545 | 11,598 | 0 | Jan 20, 2021, 07:03 PM |
Hack Andrew A. F. | Director | Jan 08, 2021 | Buy | $18.39 | 100,000 | 1,839,000 | 3,545,667 | Jan 12, 2021, 07:29 PM |
Hack Andrew A. F. | Director | Jan 12, 2021 | Buy | $18.16 | 75,000 | 1,362,000 | 3,695,667 | Jan 12, 2021, 07:29 PM |
Hack Andrew A. F. | Director | Jan 11, 2021 | Buy | $18.52 | 75,000 | 1,389,000 | 3,620,667 | Jan 12, 2021, 07:29 PM |
Mandelia Ashish | VP, Controller | Jan 04, 2021 | Sale | $26.76 | 247 | 6,610 | 0 | Jan 06, 2021, 07:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Dec 28, 2020 | Option Exercise | $1.40 | 9,000 | 12,600 | 25,851 | Dec 30, 2020, 05:00 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Dec 21, 2020 | Option Exercise | $4.95 | 8,203 | 40,596 | 2,227 | Dec 22, 2020, 04:34 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Dec 21, 2020 | Sale | $25.60 | 8,203 | 209,956 | 0 | Dec 22, 2020, 04:34 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Nov 20, 2020 | Option Exercise | $4.95 | 8,203 | 40,596 | 2,227 | Nov 24, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Nov 20, 2020 | Sale | $23.05 | 8,203 | 189,079 | 0 | Nov 24, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Oct 21, 2020 | Option Exercise | $4.95 | 4,101 | 20,296 | 19,078 | Oct 22, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Oct 20, 2020 | Option Exercise | $2.56 | 20,953 | 53,605 | 16,851 | Oct 22, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Oct 21, 2020 | Sale | $17.50 | 4,101 | 71,768 | 16,851 | Oct 22, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science & Tech. Officer | Oct 20, 2020 | Sale | $16.74 | 4,102 | 68,667 | 0 | Oct 22, 2020, 04:31 PM |
Lowinger Timothy B | Chief Science, Tech. Officer | Sep 21, 2020 | Option Exercise | $4.95 | 8,203 | 40,596 | 16,865 | Sep 23, 2020, 04:30 PM |
Lowinger Timothy B | Chief Science, Tech. Officer | Sep 21, 2020 | Sale | $20.66 | 20,614 | 425,832 | 12,411 | Sep 23, 2020, 04:30 PM |
Jack Eva M. | Chief Bus. Officer, Tres, Sec. | Sep 14, 2020 | Option Exercise | $1.53 | 35,248 | 53,929 | 35,248 | Sep 16, 2020, 06:31 PM |
Jack Eva M. | Chief Bus. Officer, Tres, Sec. | Sep 14, 2020 | Sale | $22.00 | 35,248 | 775,456 | 0 | Sep 16, 2020, 06:31 PM |
Mandelia Ashish | VP, Controller | Jun 30, 2020 | Buy | $4.87 | 3,383 | 16,475 | 3,383 | Jul 06, 2020, 04:15 PM |
Mandelia Ashish | VP, Controller | Jul 02, 2020 | Sale | $22.49 | 3,383 | 76,084 | 0 | Jul 06, 2020, 04:15 PM |
Alleva Lawrence M | Director | Jun 01, 2020 | Buy | $22.95 | 1,085 | 24,901 | 1,085 | Jun 03, 2020, 05:30 PM |
SANDELL SCOTT D | 10% Owner | Apr 14, 2020 | Sale | $9.22 | 274 | 2,526 | 0 | Apr 14, 2020, 05:54 PM |
SANDELL SCOTT D | 10% Owner | Apr 13, 2020 | Sale | $8.98 | 1,650 | 14,812 | 0 | Apr 14, 2020, 05:54 PM |
SANDELL SCOTT D | 10% Owner | Apr 14, 2020 | Sale | $9.22 | 274 | 2,526 | 0 | Apr 14, 2020, 05:54 PM |
BASKETT FOREST | 10% Owner | Apr 13, 2020 | Sale | $8.58 | 3,190 | 27,358 | 0 | Apr 14, 2020, 05:54 PM |
SANDELL SCOTT D | 10% Owner | Apr 13, 2020 | Sale | $8.50 | 20,914 | 177,775 | 0 | Apr 13, 2020, 09:10 PM |
Florence Anthony A. Jr. | 10% Owner | Apr 13, 2020 | Sale | $8.50 | 20,914 | 177,775 | 0 | Apr 13, 2020, 09:06 PM |
BASKETT FOREST | 10% Owner | Apr 13, 2020 | Sale | $8.50 | 20,914 | 177,775 | 0 | Apr 13, 2020, 09:06 PM |
New Enterprise Associates 14, L.P. | 10% Owner | Aug 28, 2019 | Sale | $2.91 | 1,211 | 3,524 | 11,959,520 | Apr 13, 2020, 08:39 PM |
New Enterprise Associates 14, L.P. | 10% Owner | Aug 28, 2019 | Option Exercise | $0.05 | 70,593 | 3,530 | 11,960,731 | Apr 13, 2020, 08:39 PM |
Hack Andrew A. F. | Director | Apr 07, 2020 | Buy | $5.99 | 3,445,667 | 20,649,463 | 3,445,667 | Apr 09, 2020, 04:11 PM |
MOTT DAVID M | Director | Apr 07, 2020 | Buy | $5.59 | 538,599 | 3,010,768 | 538,599 | Apr 09, 2020, 03:31 PM |
MOTT DAVID M | Director | Mar 05, 2019 | Buy | $4.00 | 3,750,000 | 15,000,000 | 11,890,138 | Mar 06, 2019, 04:39 PM |
New Enterprise Associates 14, L.P. | 10% Owner | Mar 05, 2019 | Buy | $4.00 | 3,750,000 | 15,000,000 | 11,890,138 | Mar 06, 2019, 04:38 PM |
Lowinger Timothy B | Chief Scientific Officer | Sep 24, 2018 | Option Exercise | $1.40 | 3,500 | 4,900 | 15,991 | Sep 25, 2018, 05:07 PM |
Lowinger Timothy B | Chief Scientific Officer | Sep 24, 2018 | Sale | $11.63 | 3,500 | 40,705 | 12,491 | Sep 25, 2018, 05:07 PM |
Lowinger Timothy B | Chief Scientific Officer | Aug 27, 2018 | Option Exercise | $7.43 | 3,500 | 26,005 | 15,991 | Aug 29, 2018, 04:24 PM |
Lowinger Timothy B | Chief Scientific Officer | Aug 27, 2018 | Sale | $13.15 | 3,500 | 46,025 | 12,491 | Aug 29, 2018, 04:24 PM |
Lowinger Timothy B | Chief Scientific Officer | Jul 23, 2018 | Sale | $11.06 | 3,500 | 38,710 | 12,491 | Jul 25, 2018, 04:04 PM |
Lowinger Timothy B | Chief Scientific Officer | Jul 03, 2018 | Option Exercise | $1.40 | 10,000 | 14,000 | 15,991 | Jul 05, 2018, 06:59 PM |
Lowinger Timothy B | Chief Scientific Officer | Feb 21, 2018 | Option Exercise | $6.98 | 5,911 | 41,259 | 5,911 | Feb 23, 2018, 04:01 PM |
Foster Wayne | Vice President of Finance | Jan 30, 2018 | Option Exercise | $3.03 | 14,705 | 44,582 | 71,083 | Feb 01, 2018, 04:01 PM |
Protopapas Anna | President and CEO | Dec 20, 2017 | Option Exercise | $1.53 | 10,417 | 15,938 | 130,719 | Dec 21, 2017, 04:06 PM |
Viswanathan Ravi | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:20 PM |
Sonsini Peter W. | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:19 PM |
SANDELL SCOTT D | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:19 PM |
MOTT DAVID M | Director | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:18 PM |
KERINS PATRICK J | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:18 PM |
Florence Anthony A. Jr. | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:17 PM |
BASKETT FOREST | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:17 PM |
BARRIS PETER J | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:16 PM |
BARRETT M JAMES | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:16 PM |
New Enterprise Associates 14, L.P. | 10% Owner | Jul 03, 2017 | Buy | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:16 PM |
Load More Insider Transactions
Buy
Sale
Option Exercise
Owner | Relationship | Date | Value($) |
Protopapas Anna | Director | 01/16/2024 | 79,671 |
MISRA TUSHAR | SVP, Chief Manuf. Officer | 01/16/2024 | 9,097 |
Mandelia Ashish | VP, Chief Accounting Officer | 01/16/2024 | 13,618 |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Officer | 01/16/2024 | 28,208 |
Carvajal Alejandra | SVP, Chief Legal Officer | 01/16/2024 | 11,873 |
DeSchuytner Brian | SVP, COO & CFO | 01/16/2024 | 25,276 |
Bala Mohan | SVP, Chief Development Officer | 01/16/2024 | 9,298 |
Bala Mohan | SVP, Chief Development Officer | 10/26/2023 | 2,161 |
MISRA TUSHAR | SVP, Chief Manuf. Officer | 08/17/2023 | 2,251 |
Carvajal Alejandra | SVP, Chief Legal Officer | 04/27/2023 | 15,342 |
Yang Arvin | SVP, Chief Medical Officer | 01/17/2023 | 12,680 |
Protopapas Anna | President & CEO | 01/17/2023 | 99,566 |
Mandelia Ashish | VP, Controller | 01/17/2023 | 20,520 |
MISRA TUSHAR | SVP, CMO | 01/17/2023 | 2,629 |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | 01/17/2023 | 35,777 |
DeSchuytner Brian | SVP, Chief Financial Officer | 01/17/2023 | 29,452 |
Carvajal Alejandra | SVP, Chief Legal Officer | 01/17/2023 | 4,489 |
Lowinger Timothy B | SVP, Chief Sci.&Tech. Off. | 12/14/2022 | 52,658 |
Yang Arvin | Chief Medical Officer | 12/01/2022 | 36,423 |
MISRA TUSHAR | Chief Manufacturing Officer | 08/17/2022 | 13,341 |
Hack Andrew A. F. | Director | 06/02/2022 | 47,182 |
Hack Andrew A. F. | Director | 05/31/2022 | 264,776 |
Hack Andrew A. F. | Director | 05/26/2022 | 238,942 |
Hack Andrew A. F. | Director | 05/25/2022 | 286,242 |
Hack Andrew A. F. | Director | 05/24/2022 | 328,990 |
Hack Andrew A. F. | Director | 05/19/2022 | 348,620 |
Hack Andrew A. F. | Director | 05/23/2022 | 52,247 |
Hack Andrew A. F. | Director | 05/20/2022 | 345,570 |
Hack Andrew A. F. | Director | 05/18/2022 | 707,262 |
Hack Andrew A. F. | Director | 05/17/2022 | 10,952 |
Hack Andrew A. F. | Director | 05/16/2022 | 419,446 |
Carvajal Alejandra | Chief Legal Officer | 04/26/2022 | 14,568 |
Hack Andrew A. F. | Director | 04/13/2022 | 2,500,000 |
Hack Andrew A. F. | Director | 04/12/2022 | 2,499,880 |
Hack Andrew A. F. | Director | 02/07/2022 | 5,022,725 |
Lowinger Timothy B | Chief Science & Tech Off. | 01/18/2022 | 28,067 |
Mandelia Ashish | VP, Controller | 01/18/2022 | 11,733 |
Hack Andrew A. F. | Director | 12/29/2021 | 5,031,250 |
Lowinger Timothy B | Chief Science & Tech. Officer | 12/20/2021 | 63,830 |
Yang Arvin | Chief Medical Officer | 12/01/2021 | 37,639 |
Lowinger Timothy B | Chief Science & Tech. Officer | 08/20/2021 | 13,651 |
Lowinger Timothy B | Chief Science & Tech. Officer | 08/20/2021 | 24,398 |
Lowinger Timothy B | Chief Science & Tech. Officer | 07/20/2021 | 13,718 |
Lowinger Timothy B | Chief Science & Tech. Officer | 07/20/2021 | 26,969 |
Lowinger Timothy B | Chief Science & Tech. Officer | 07/19/2021 | 102,122 |
Lowinger Timothy B | Chief Science & Tech. Officer | 07/16/2021 | 96,954 |
Kaufman Michael J. | Chief Manufacturing Officer | 07/19/2021 | 75,870 |
Kaufman Michael J. | Chief Manufacturing Officer | 07/16/2021 | 72,027 |
Protopapas Anna | President & CEO | 07/19/2021 | 263,250 |
Protopapas Anna | President & CEO | 07/16/2021 | 249,936 |
Lowinger Timothy B | CS & Technology Officer | 07/08/2021 | 28,000 |
Lowinger Timothy B | CS & Technology Officer | 07/01/2021 | 6,644 |
Lowinger Timothy B | CS & Technology Officer | 07/01/2021 | 25,650 |
Mandelia Ashish | VP, Controller | 07/01/2021 | 12,811 |
Lowinger Timothy B | Chief Science & Tech. Officer | 06/21/2021 | 13,670 |
Lowinger Timothy B | Chief Science & Tech. Officer | 06/21/2021 | 30,592 |
Alleva Lawrence M | Director | 06/01/2021 | 14,883 |
Lowinger Timothy B | Chief Science & Tech. Officer | 04/20/2021 | 20,300 |
Lowinger Timothy B | Chief Science & Tech. Officer | 04/20/2021 | 65,263 |
Lowinger Timothy B | Chief Science & Tech. Officer | 03/22/2021 | 40,596 |
Lowinger Timothy B | Chief Science & Tech. Officer | 03/22/2021 | 143,553 |
Lowinger Timothy B | Chief Science & Tech. Officer | 02/22/2021 | 40,596 |
Lowinger Timothy B | Chief Science & Tech. Officer | 02/22/2021 | 164,142 |
Lowinger Timothy B | Chief Science & Tech. Officer | 01/20/2021 | 40,596 |
Lowinger Timothy B | Chief Science & Tech. Officer | 01/20/2021 | 176,693 |
Lowinger Timothy B | Chief Science & Tech. Officer | 01/15/2021 | 49,013 |
Kaufman Michael J. | Sr VP, Chemistry, Man.&Control | 01/15/2021 | 41,273 |
DeSchuytner Brian | Sr. VP., FIN, Product Strategy | 01/15/2021 | 24,507 |
Protopapas Anna | President & CEO | 01/15/2021 | 109,626 |
Mandelia Ashish | VP, Controller | 01/15/2021 | 6,095 |
Mandelia Ashish | VP, Controller | 01/19/2021 | 11,598 |
Hack Andrew A. F. | Director | 01/08/2021 | 1,839,000 |
Hack Andrew A. F. | Director | 01/12/2021 | 1,362,000 |
Hack Andrew A. F. | Director | 01/11/2021 | 1,389,000 |
Mandelia Ashish | VP, Controller | 01/04/2021 | 6,610 |
Lowinger Timothy B | Chief Science & Tech. Officer | 12/28/2020 | 12,600 |
Lowinger Timothy B | Chief Science & Tech. Officer | 12/21/2020 | 40,596 |
Lowinger Timothy B | Chief Science & Tech. Officer | 12/21/2020 | 209,956 |
Lowinger Timothy B | Chief Science & Tech. Officer | 11/20/2020 | 40,596 |
Lowinger Timothy B | Chief Science & Tech. Officer | 11/20/2020 | 189,079 |
Lowinger Timothy B | Chief Science & Tech. Officer | 10/21/2020 | 20,296 |
Lowinger Timothy B | Chief Science & Tech. Officer | 10/20/2020 | 53,605 |
Lowinger Timothy B | Chief Science & Tech. Officer | 10/21/2020 | 71,768 |
Lowinger Timothy B | Chief Science & Tech. Officer | 10/20/2020 | 68,667 |
Lowinger Timothy B | Chief Science, Tech. Officer | 09/21/2020 | 40,596 |
Lowinger Timothy B | Chief Science, Tech. Officer | 09/21/2020 | 425,832 |
Jack Eva M. | Chief Bus. Officer, Tres, Sec. | 09/14/2020 | 53,929 |
Jack Eva M. | Chief Bus. Officer, Tres, Sec. | 09/14/2020 | 775,456 |
Mandelia Ashish | VP, Controller | 06/30/2020 | 16,475 |
Mandelia Ashish | VP, Controller | 07/02/2020 | 76,084 |
Alleva Lawrence M | Director | 06/01/2020 | 24,901 |
SANDELL SCOTT D | 10% Owner | 04/14/2020 | 2,526 |
SANDELL SCOTT D | 10% Owner | 04/13/2020 | 14,812 |
SANDELL SCOTT D | 10% Owner | 04/14/2020 | 2,526 |
BASKETT FOREST | 10% Owner | 04/13/2020 | 27,358 |
SANDELL SCOTT D | 10% Owner | 04/13/2020 | 177,775 |
Florence Anthony A. Jr. | 10% Owner | 04/13/2020 | 177,775 |
BASKETT FOREST | 10% Owner | 04/13/2020 | 177,775 |
New Enterprise Associates 14, L.P. | 10% Owner | 08/28/2019 | 3,524 |
New Enterprise Associates 14, L.P. | 10% Owner | 08/28/2019 | 3,530 |
Hack Andrew A. F. | Director | 04/07/2020 | 20,649,463 |
MOTT DAVID M | Director | 04/07/2020 | 3,010,768 |
MOTT DAVID M | Director | 03/05/2019 | 15,000,000 |
New Enterprise Associates 14, L.P. | 10% Owner | 03/05/2019 | 15,000,000 |
Lowinger Timothy B | Chief Scientific Officer | 09/24/2018 | 4,900 |
Lowinger Timothy B | Chief Scientific Officer | 09/24/2018 | 40,705 |
Lowinger Timothy B | Chief Scientific Officer | 08/27/2018 | 26,005 |
Lowinger Timothy B | Chief Scientific Officer | 08/27/2018 | 46,025 |
Lowinger Timothy B | Chief Scientific Officer | 07/23/2018 | 38,710 |
Lowinger Timothy B | Chief Scientific Officer | 07/03/2018 | 14,000 |
Lowinger Timothy B | Chief Scientific Officer | 02/21/2018 | 41,259 |
Foster Wayne | Vice President of Finance | 01/30/2018 | 44,582 |
Protopapas Anna | President and CEO | 12/20/2017 | 15,938 |
Viswanathan Ravi | 10% Owner | 07/03/2017 | 15,000,000 |
Sonsini Peter W. | 10% Owner | 07/03/2017 | 15,000,000 |
SANDELL SCOTT D | 10% Owner | 07/03/2017 | 15,000,000 |
MOTT DAVID M | Director | 07/03/2017 | 15,000,000 |
KERINS PATRICK J | 10% Owner | 07/03/2017 | 15,000,000 |
Florence Anthony A. Jr. | 10% Owner | 07/03/2017 | 15,000,000 |
BASKETT FOREST | 10% Owner | 07/03/2017 | 15,000,000 |
BARRIS PETER J | 10% Owner | 07/03/2017 | 15,000,000 |
BARRETT M JAMES | 10% Owner | 07/03/2017 | 15,000,000 |
New Enterprise Associates 14, L.P. | 10% Owner | 07/03/2017 | 15,000,000 |
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FUNDS WITH A POSITION IN MERSANA THERAPEUTICS INC
Fund | # Shares Owned | % of Portfolio | % Change | Investing Style |
---|---|---|---|---|
BALYASNY ASSET MANAGEMENT L.P. | 3,655,998 | 0.03% | -62.3% | Event Driven |
BLACKROCK INC. | 8,095,729 | 0.00084% | 3.21% | Other |
GEODE CAPITAL MANAGEMENT, LLC | 2,358,221 | 0.00098% | 2.66% | Other |
RENAISSANCE TECHNOLOGIES LLC | 1,427,819 | 0.01% | 64.93% | Other |
D. E. SHAW & CO., INC. | 1,222,623 | 0.00469% | 83.2% | Other |
BAKER BROS. ADVISORS LP | 1,086,115 | 0.06% | No change | Other |
OCONNOR, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS (LLC) | 434,293 | 0.14% | -21.84% | Value |
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 57,478 | 0.00448% | New | Other |
AQR CAPITAL MANAGEMENT LLC | 31,559 | 0.00014% | Exited | Other |
CHANGE IN SHARES OUTSTANDING FOR MERSANA THERAPEUTICS INC
STOCK BUYBACKS FOR MERSANA THERAPEUTICS INC
Period of Report
Previous Period
% Change in Shares
10-K/10-Q Filings
Quarter
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Period of Report: 03/31/2024
10-K/10-Q Filings: View
Previous Period
% Change in Shares
Quarter
12/31/2023
0.63%
1Q
09/30/2023
0.75%
2Q
06/30/2023
5.03%
3Q
03/31/2023
12.94%
4Q
12/31/2022
20.11%
5Q
09/30/2022
24.36%
6Q
06/30/2022
26.81%
7Q
03/31/2022
51.92%
8Q
12/31/2021
68.80%
9Q
09/30/2021
69.23%
10Q
06/30/2021
74.42%
11Q
03/31/2021
76.01%
12Q
12/31/2020
76.79%
13Q
09/30/2020
77.47%
14Q
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BUYBACK ANNOUNCEMENT(S) FOR MERSANA THERAPEUTICS INC
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