Based on data from the past 90 days ending December 12, 2025, Arvinas's three largest insider shareholders are Director Timothy M Shannon (1.65Mn shares), President And CEO John G Houston (1.16Mn shares), Chief Accounting Officer David K Loomis (31.70K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Timothy M Shannon | 1,653,128 | 27 Sep, 2021 | |
| John G Houston | President And CEO | 1,157,480 | 25 Feb, 2025 |
| Liam Ratcliffe | 185,686 | 09 Nov, 2021 | |
| Sean A Cassidy | Chief Financial Officer | 181,916 | 27 Feb, 2024 |
| Noah Berkowitz | Chief Medical Officer | 169,623 | 13 May, 2025 |
| Andrew Saik | Chief Financial Officer | 164,401 | 24 Jun, 2025 |
| Ian Taylor | President And R&D | 159,121 | 25 Feb, 2025 |
| Angela M Cacace | Chief Scientific Officer | 154,248 | 18 Jun, 2025 |
| Briggs Morrison | 76,021 | 24 Sep, 2025 | |
| Ronald Peck | Chief Medical Officer | 67,516 | 27 Feb, 2024 |
| Randy Teel | Int. Chief Financial Officer | 59,341 | 23 May, 2024 |
| Edward Moore Jr. Kennedy | 39,430 | 27 Jun, 2025 | |
| David K Loomis | Chief Accounting Officer | 31,697 | 07 Nov, 2025 |
| Sunil Agarwal | 30,166 | 30 Jun, 2025 | |
| Alsup Laurie Smaldone | 26,045 | 27 Jun, 2025 | |
| Leslie V Norwalk | 26,045 | 27 Jun, 2025 | |
| Linda Bain | 26,045 | 27 Jun, 2025 | |
| John D Young | 26,045 | 27 Jun, 2025 | |
| Everett Cunningham | 26,045 | 27 Jun, 2025 | |
| Wendy L Dixon | 9,121 | 20 Jun, 2023 | |
| Bradley Albert Margus | 2,000 | 27 Aug, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 07 Nov, 2025 | David K Loomis | Common Stock | D | 230 | $9.89 | 31,697 | D | S |
| 22 Sep, 2025 | Briggs Morrison | Common Stock | A | 30,000 | $7.57 | 76,021 | D | P |
| 22 Sep, 2025 | Briggs Morrison | - | - | 76,021 | D | |||
| 25 Jun, 2025 | Briggs Morrison | Common Stock | A | 16,025 | $0.00 | 46,021 | D | A |
| 25 Jun, 2025 | Edward Moore Jr. Kennedy | Common Stock | A | 16,025 | $0.00 | 39,430 | D | A |
| 25 Jun, 2025 | Alsup Laurie Smaldone | Common Stock | A | 16,025 | $0.00 | 26,045 | D | A |
| 25 Jun, 2025 | Leslie V Norwalk | Common Stock | A | 16,025 | $0.00 | 26,045 | D | A |
| 25 Jun, 2025 | John D Young | Common Stock | A | 16,025 | $0.00 | 26,045 | D | A |
| 25 Jun, 2025 | Linda Bain | Common Stock | A | 16,025 | $0.00 | 26,045 | D | A |
| 25 Jun, 2025 | Leslie V Norwalk | - | - | 26,045 | D | |||
| 25 Jun, 2025 | Sunil Agarwal | Common Stock | A | 16,025 | $0.00 | 30,166 | D | A |
| 25 Jun, 2025 | Everett Cunningham | Common Stock | A | 16,025 | $0.00 | 26,045 | D | A |
| 24 Jun, 2025 | Andrew Saik | Common Stock | D | 5,700 | $7.61 | 164,401 | D | S |
| 17 Jun, 2025 | Angela M Cacace | Common Stock | D | 2,583 | $7.49 | 154,248 | D | S |
| 09 May, 2025 | Noah Berkowitz | Common Stock | A | 59,600 | $0.00 | 169,623 | D | A |
| 09 May, 2025 | David K Loomis | Common Stock | A | 11,825 | $0.00 | 30,688 | D | A |
| 09 May, 2025 | Angela M Cacace | Common Stock | A | 59,600 | $0.00 | 156,831 | D | A |
| 09 May, 2025 | Andrew Saik | Common Stock | A | 59,600 | $0.00 | 170,101 | D | A |
| 09 May, 2025 | Angela M Cacace | - | - | 156,831 | D | |||
| 18 Mar, 2025 | Noah Berkowitz | Common Stock | D | 8,658 | $8.59 | 110,023 | D | S |