Insider: Lowinger Timothy B SVP, Chief Sci.&Tech. Officer - Mersana Therapeutics, Inc.
| Company Holdings |
| Direct | Indirect Ownership | Total | |
| Shares | 257,673 | 0 | 257,673 |
| Value | $1,847,515.41 | $0.00 | $1,847,515.41 |
Trans. Date |
Trans. Type |
Shares |
Ownership Type |
Issue Type |
Price |
Trans. Value |
Total Shares Owned |
|---|---|---|---|---|---|---|---|
| 01/16/2025 | DDS | 8,048 | Direct | COM | $0.58 | $4,667.84 | 257,673 |
| 01/15/2025 | DDS | 1,794 | Direct | COM | $0.63 | $1,130.22 | 245,930 |
| 01/14/2025 | DDS | 3,483 | Direct | COM | $0.66 | $2,298.78 | 242,932 |
| 10/03/2024 | DDS | 5,598 | Direct | COM | $1.96 | $10,972.08 | 235,642 |
| 10/02/2024 | DDS | 8,089 | Direct | COM | $2.00 | $16,178.00 | 241,240 |
| 01/16/2024 | DDS | 10,409 | Direct | COM | $2.71 | $28,208.39 | 199,329 |
| 01/17/2023 | DDS | 6,233 | Direct | COM | $5.74 | $35,777.42 | 180,363 |
| 01/18/2022 | DDS | 4,741 | Direct | COM | $5.92 | $28,066.72 | 131,234 |
| 08/20/2021 | DDS | 2,216 | Direct | COM | $11.01 | $24,398.16 | 75,173 |
| 07/20/2021 | DDS | 2,227 | Direct | COM | $12.11 | $26,968.97 | 75,173 |
| 07/19/2021 | DDS | 8,496 | Direct | COM | $12.02 | $102,121.92 | 75,173 |
| 07/16/2021 | DDS | 7,775 | Direct | COM | $12.47 | $96,954.25 | 83,669 |
| 07/01/2021 | DDS | 1,886 | Direct | COM | $13.60 | $25,649.60 | 31,444 |
| 06/21/2021 | DDS | 2 | Direct | COM | $13.78 | $27.56 | 31,444 |
| 06/21/2021 | DDS | 2,218 | Direct | COM | $13.78 | $30,564.04 | 31,444 |
| 04/20/2021 | DDS | 1,875 | Direct | COM | $15.91 | $29,831.25 | 31,444 |
| 04/20/2021 | DDS | 2,227 | Direct | COM | $15.91 | $35,431.57 | 31,444 |
| 03/22/2021 | DDS | 1,874 | Direct | COM | $17.50 | $32,795.00 | 31,444 |
| 03/22/2021 | DDS | 2,227 | Direct | COM | $17.50 | $38,972.50 | 31,444 |
| 03/22/2021 | DDS | 1,875 | Direct | COM | $17.50 | $32,812.50 | 31,444 |
| 03/22/2021 | DDS | 2,227 | Direct | COM | $17.50 | $38,972.50 | 31,444 |
| 02/22/2021 | DDS | 2,227 | Direct | COM | $20.01 | $44,562.27 | 31,444 |
| 02/22/2021 | DDS | 1,874 | Direct | COM | $20.01 | $37,498.74 | 31,444 |
| 02/22/2021 | DDS | 1,875 | Direct | COM | $20.01 | $37,518.75 | 31,444 |
| 02/22/2021 | DDS | 2,227 | Direct | COM | $20.01 | $44,562.27 | 31,444 |
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Transaction Type Key First letter: A = Acquired, D = Disposed Second letter: A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust |
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