Mersana Therapeutics, Inc. (MRSN) NASDAQ
$1.77 - (-)
Market Cap: $217.13M
As of 09/12/24 04:00 PM EDT. Market closed.
Mersana Therapeutics, Inc. (MRSN)
NASDAQ
$1.77
- (-)
Market Cap: $217.13M
As of 09/12/24 04:00 PM EDT. Market closed.
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Mersana Therapeutics, Inc., a clinical stage biopharmaceutical company, develops antibody drug conjugates (ADC) for cancer patients with unmet need. It develops XMT-1592, a Dolasynthen ADC targeting NaPi2b-expressing tumor cells, which is in phase I clinical trial for the treatment of ovarian cancer and NSCLC adenocarcinoma. The company also develops XMT-1660, a B7-H4-targeted Dolasynthen ADC ... read more
COMPANY PROFILE
Sector
Healthcare
Industry
Biotechnology
CEO
Dr. Martin H. Huber M.D.
Full Time Employees
123
CEO Compensation (Base)
$194,311
CEO Compensation (Total)
$2.60M
Sector
Healthcare
Industry
Biotechnology
CEO
Dr. Martin H. Huber M.D.
Full Time Employees
123
CEO Compensation (Base)
$194,311
CEO Compensation (Total)
$2.60M
URL
Address
840 Memorial Drive, MA, Cambridge, 02139.
PRICE CHART FOR MERSANA THERAPEUTICS, INC.
From:
To:
NEWS
INSIDEARBITRAGE ARTICLES
KEY STATS
Open
$1.80
Previous Close
$1.77
Days Range
$1.73 - $1.84
52 week range
$1.07 - $6.28
Volume
940,753
Avg. Volume (30 days)
1,242,001
Market Cap
$217.13M
Dividend Yield
-
P/E
(2.08)
Shares Outstanding
122,675,000
Open
$1.80
Previous Close
$1.77
Days Range
$1.73 - $1.84
52 week range
$1.07 - $6.28
Volume
940,753
Avg. Volume (30 days)
1,242,001
Market Cap
$217.13M
Dividend Yield
-
P/E
(2.08)
Shares Outstanding
122,675,000
FINANCIAL STATEMENTS FOR MERSANA THERAPEUTICS, INC.
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INSIDER TRANSACTIONS FOR MERSANA THERAPEUTICS, INC.
| Owner | Relationship | Date | Transaction | Cost | # Shares | Value($) | 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 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 26, 2022 | Buy | $3.19 | 75,000 | 238,942 | 8,568,154 | May 26, 2022, 06:02 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 19, 2022 | Buy | $3.49 | 100,000 | 348,620 | 8,187,400 | May 23, 2022, 05:49 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 |
| 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 |
| 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 16, 2021 | Sale | $12.47 | 7,775 | 96,954 | 83,669 | Jul 19, 2021, 08:50 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 |
| 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 | $15.00 | 1,000,000 | 15,000,000 | 8,140,138 | Jul 06, 2017, 05:16 PM |
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Buy
Sale
Option Exercise
| Owner | Relationship | Date | Value($) |
| 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 | 05/25/2022 | 286,242 |
| Hack Andrew A. F. | Director | 05/24/2022 | 328,990 |
| Hack Andrew A. F. | Director | 05/26/2022 | 238,942 |
| 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 | 05/19/2022 | 348,620 |
| Hack Andrew A. F. | Director | 05/16/2022 | 419,446 |
| Hack Andrew A. F. | Director | 05/18/2022 | 707,262 |
| Hack Andrew A. F. | Director | 05/17/2022 | 10,952 |
| 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 | 07/16/2021 | 96,954 |
| Lowinger Timothy B | Chief Science & Tech. Officer | 07/19/2021 | 102,122 |
| 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 |
|---|---|---|---|---|
| BLACKROCK INC. | 8,383,910 | 0.00038% | 3.56% | Other |
| BALYASNY ASSET MANAGEMENT L.P. | 3,655,998 | 0.03% | Exited | Event Driven |
| GEODE CAPITAL MANAGEMENT, LLC | 2,493,423 | 0.00044% | 5.73% | Other |
| D. E. SHAW & CO., INC. | 1,465,580 | 0.00276% | 19.87% | Other |
| RENAISSANCE TECHNOLOGIES LLC | 1,448,219 | 0.00494% | 1.43% | Other |
| BAKER BROS. ADVISORS LP | 1,086,115 | 0.03% | No change | Other |
| OCONNOR, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS (LLC) | 544,293 | 0.07% | 25.33% | Value |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 57,478 | 0.00448% | 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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