Briggs Morrison insider trades: Arvinas (ARVN) stock buys and sales
Trades on the price chart
Daily close, with an arrow on each day they bought or sold
Companies
Where Briggs reports to the SEC






and 2 more companies
Open-market buys and sales
25 trades reported on SEC Form 4, newest first
| Date | Stock | Type | Shares | Price | Value | Holding | Reported |
|---|---|---|---|---|---|---|---|
| Mar 6, 2026 | ARVN | ↑ Buy | 20,000 | $13.40 | $268K | Direct | Mar 9, 2026 (3d) |
| Sep 22, 2025 | ARVN | ↑ Buy | 30,000 | $7.57 | $227K | Direct | Sep 24, 2025 (2d) |
| Aug 9, 2023 | SNDX | ↓ Sell | 52,855 | $18.27 | $965K | Direct | Aug 10, 2023 (1d) |
| Jul 10, 2023 | SNDX | ↓ Sell | 52,855 | $20.40 | $1.1M | Direct | Jul 11, 2023 (1d) |
| Jun 9, 2023 | SNDX | ↓ Sell | 52,855 | $21.18 | $1.1M | Direct | Jun 9, 2023 (0d) |
| May 9, 2023 | SNDX | ↓ Sell | 52,855 | $21.41 | $1.1M | Direct | May 10, 2023 (1d) |
| Apr 10, 2023 | SNDX | ↓ Sell | 52,855 | $19.53 | $1.0M | Direct | Apr 12, 2023 (2d) |
| Mar 13, 2023 | SNDX | ↓ Sell | 52,854 | $22.53 | $1.2M | Direct | Mar 14, 2023 (1d) |
| Feb 6, 2023 | SNDX | ↓ Sell | 52,854 | $26.83 | $1.4M | Direct | Feb 8, 2023 (2d) |
| Sep 20, 2022 | SNDX | ↓ Sell | 173,988 | $23.11 | $4.0M | Direct | Sep 21, 2022 (1d) |
| Sep 16, 2022 | SNDX | ↓ Sell | 279,420 | $23.64 | $6.6M | Direct | Sep 16, 2022 (0d) |
| Jul 1, 2022 | SNDX | ↓ Sell | 62,292 | $19.00 | $1.2M | Direct | Jul 5, 2022 (4d) |
| Apr 14, 2022 | ARVN | ↓ Sell | 20,960 | $66.44 | $1.4M | Direct | Apr 18, 2022 (4d) |
| Apr 4, 2022 | SNDX | ↓ Sell | 104,173 | $17.48 | $1.8M | Direct | Apr 5, 2022 (1d) |
| Jan 14, 2022 | ARVN | ↓ Sell | 20,960 | $65.55 | $1.4M | Direct | Jan 19, 2022 (5d) |
| Dec 17, 2021 | SNDX | ↓ Sell | 35,156 | $20.00 | $703K | Direct | Dec 20, 2021 (3d) |
| Sep 20, 2021 | SNDX | ↓ Sell | 70,312 | $20.07 | $1.4M | Direct | Sep 21, 2021 (1d) |
| Feb 17, 2021 | CDAK | ↑ Buy | 4,761 | $21.00 | $100K | Direct | Feb 17, 2021 (0d) |
| Feb 8, 2021 | SNDX | ↓ Sell | 35,156 | $20.55 | $722K | Direct | Feb 10, 2021 (2d) |
| Nov 10, 2020 | SNDX | ↓ Sell | 80,404 | $20.04 | $1.6M | Direct | Nov 12, 2020 (2d) |
| Jun 23, 2020 | RPTX | ↑ Buy | 4,800 | $20.00 | $96K | Direct | Jun 25, 2020 (2d) |
| Mar 24, 2020 | ARVN | ↑ Buy | 2,500 | $38.18 | $95K | Direct | Mar 25, 2020 (1d) |
| Feb 4, 2020 | SNDX | ↑ Buy | 12,500 | $8.00 | $100K | Direct | Feb 5, 2020 (1d) |
| Oct 10, 2019 | SNDX | ↑ Buy | 11,000 | $5.40 | $59K | Direct | Oct 11, 2019 (1d) |
| May 13, 2019 | SNDX | ↑ Buy | 20,400 | $7.46 | $152K | Direct | May 13, 2019 (0d) |
Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.
Other ARVN insiders
Open-market trades in the last 12 months
About Briggs Morrison's insider trades
Briggs Morrison is a director at Arvinas (ARVN). Since May 13, 2019, Briggs has reported 8 open-market purchases worth $1.1M and 17 sales worth $28.8M on SEC Form 4. In the last 12 months: 1 buy ($268K).
Their filings also include grants and awards (33 filings), option exercises (17 filings), other transactions (1 filing). These aren't open-market trades and aren't counted above.
How to read insider trades
Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every ARVN insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.