| Date Filed | Type | Description |
| 10/04/2023 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 11,011 shares
@ $0 |
|
| 07/06/2023 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 4,217 shares
@ $0 |
|
| 06/12/2023 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 14,467 shares
@ $0
Granted 18,355 options to buy
@ $8.64, valued at
$158.6k
|
|
| 05/24/2023 |
4
| Dere Willard H (Director) has filed a Form 4 on BIOMARIN PHARMACEUTICAL INC|
Txns:
| Granted 4,190 shares
@ $0 |
|
| 04/05/2023 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 3,375 shares
@ $0 |
|
| 08/15/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 07/06/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/24/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/10/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/26/2022 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/25/2022 |
4
| Dere Willard H (Director) has filed a Form 4 on Radius Health, Inc.|
Txns:
| Granted 5,500 shares
@ $0
Granted 10,000 options to buy
@ $6.4, valued at
$64k
|
|
| 01/05/2022 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 12,847 options to buy
@ $6.44, valued at
$82.7k
|
|
| 06/21/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/15/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/27/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 02/23/2021 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/25/2021 |
4
| Dere Willard H (Director) has filed a Form 4 on Radius Health, Inc.|
Txns:
| Granted 20,000 options to buy
@ $22, valued at
$440k
|
|
| 01/20/2021 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 3,141 options to buy
@ $21.09, valued at
$66.2k
|
|
| 06/30/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/29/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/22/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 05/29/2020 |
4
| Dere Willard H (Director) has filed a Form 4 on BIOMARIN PHARMACEUTICAL INC|
Txns:
| Granted 4,300 shares
@ $0 |
|
| 02/28/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 02/24/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/03/2020 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 06/14/2019 |
4
| Dere Willard H (Director) has filed a Form 4 on Seres Therapeutics, Inc.|
Txns:
| Granted 15,000 options to buy
@ $2.83, valued at
$42.5k
|
|
| 06/11/2019 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 25,000 options to buy
@ $4.31, valued at
$107.8k
|
|
| 06/06/2019 |
4
| Dere Willard H (Director) has filed a Form 4 on BIOMARIN PHARMACEUTICAL INC|
Txns:
| Granted 4,430 shares
@ $0 |
|
| 04/18/2019 |
4
| Dere Willard H (Director) has filed a Form 4 on Radius Health, Inc.|
Txns:
| Sold 1,680 shares
@ $22.22, valued at
$37.3k
|
|
| 02/26/2019 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 02/13/2019 |
4
| Form 4 - Statement of changes in beneficial ownership of securities: |
| 01/04/2019 |
4
| Dere Willard H (Director) has filed a Form 4 on Mersana Therapeutics, Inc.|
Txns:
| Granted 13,619 options to buy
@ $4.31, valued at
$58.7k
|
|
| 06/27/2018 |
4
| Dere Willard H (Director) has filed a Form 4 on Seres Therapeutics, Inc.|
Txns:
| Granted 15,000 options to buy
@ $9.09, valued at
$136.4k
|
|
| 06/07/2018 |
4
| Dere Willard H (Director) has filed a Form 4 on BIOMARIN PHARMACEUTICAL INC|
Txns:
| Granted 4,300 shares
@ $0 |
|
|