Arbuckle Stuart A insider trades
Arbuckle Stuart A has filed 52 Form 4s with the SEC that we hold, for Vertex Pharmaceuticals INC / Ma (VRTX) (EVP, COO), IMGN (Director), Rhythm Pharmaceuticals, INC. (RYTM) (Director) and Alnylam Pharmaceuticals, INC. (ALNY) (Director), among 5 companies in all. Across all of them we count 0 purchases worth $0 and 50 sales worth $28.8M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 8,603 shares of Vertex Pharmaceuticals INC / Ma worth $3.4M, dated 2023-12-13. The first filing on our record is dated 2021-11-16 and the latest 2026-06-25.
Vertex Pharmaceuticals INC / Ma (VRTX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-11-15 | S, sale reported on Form 4 | 2 | $374 | 2021-11-16 |
| 2021-11-15 | S, sale reported on Form 4 | 1 | $188 | 2021-11-16 |
| 2022-05-02 | S, sale reported on Form 4 | 306 | $80.8K | 2022-05-04 |
| 2022-05-16 | S, sale reported on Form 4 | 11 | $2.7K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 40 | $10.2K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 10 | $2.5K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 10 | $2.5K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 32 | $8.0K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 20 | $5.0K | 2022-05-18 |
| 2022-05-16 | S, sale reported on Form 4 | 10 | $2.5K | 2022-05-18 |
| 2022-08-09 | S, sale reported on Form 4 | 900 | $271.3K | 2022-08-10 |
| 2022-08-09 | S, sale reported on Form 4 | 4,790 | $1.4M | 2022-08-10 |
| 2022-08-10 | S, sale reported on Form 4 | 171 | $51.4K | 2022-08-12 |
| 2022-08-10 | S, sale reported on Form 4 | 9 | $2.7K | 2022-08-12 |
| 2022-08-15 | S, sale reported on Form 4 | 4,242 | $1.3M | 2022-08-17 |
| 2022-08-15 | S, sale reported on Form 4 | 2,339 | $710.5K | 2022-08-17 |
| 2022-08-15 | S, sale reported on Form 4 | 6,990 | $2.1M | 2022-08-17 |
| 2022-08-15 | S, sale reported on Form 4 | 6,948 | $2.1M | 2022-08-17 |
| 2022-08-15 | S, sale reported on Form 4 | 1,254 | $376.6K | 2022-08-17 |
| 2022-08-15 | S, sale reported on Form 4 | 400 | $121.0K | 2022-08-17 |
| 2023-02-13 | S, sale reported on Form 4 | 2,028 | $605.2K | 2023-02-14 |
| 2023-02-13 | S, sale reported on Form 4 | 1,779 | $532.4K | 2023-02-14 |
| 2023-02-13 | S, sale reported on Form 4 | 245 | $72.6K | 2023-02-14 |
| 2023-02-13 | S, sale reported on Form 4 | 835 | $250.6K | 2023-02-14 |
| 2023-02-14 | S, sale reported on Form 4 | 800 | $236.7K | 2023-02-16 |
| 2023-02-14 | S, sale reported on Form 4 | 901 | $267.5K | 2023-02-16 |
| 2023-02-14 | S, sale reported on Form 4 | 400 | $120.4K | 2023-02-16 |
| 2023-02-14 | S, sale reported on Form 4 | 2,003 | $599.2K | 2023-02-16 |
| 2023-02-14 | S, sale reported on Form 4 | 1,734 | $520.4K | 2023-02-16 |
| 2023-02-14 | S, sale reported on Form 4 | 560 | $167.0K | 2023-02-16 |
| 2023-02-21 | S, sale reported on Form 4 | 1,100 | $323.1K | 2023-02-22 |
| 2023-02-21 | S, sale reported on Form 4 | 545 | $159.6K | 2023-02-22 |
| 2023-02-21 | S, sale reported on Form 4 | 21 | $6.1K | 2023-02-22 |
| 2023-02-21 | S, sale reported on Form 4 | 736 | $216.8K | 2023-02-22 |
| 2023-02-22 | S, sale reported on Form 4 | 394 | $116.4K | 2023-02-24 |
| 2023-02-22 | S, sale reported on Form 4 | 1,378 | $405.5K | 2023-02-24 |
| 2023-02-22 | S, sale reported on Form 4 | 300 | $87.9K | 2023-02-24 |
| 2023-02-22 | S, sale reported on Form 4 | 129 | $37.6K | 2023-02-24 |
| 2023-02-22 | S, sale reported on Form 4 | 200 | $59.3K | 2023-02-24 |
| 2023-02-27 | S, sale reported on Form 4 | 800 | $231.1K | 2023-02-28 |
| 2023-02-27 | S, sale reported on Form 4 | 400 | $115.0K | 2023-02-28 |
| 2023-02-27 | S, sale reported on Form 4 | 3,834 | $1.1M | 2023-02-28 |
| 2023-05-30 | S, sale reported on Form 4 | 82 | $27.0K | 2023-06-01 |
| 2023-06-15 | S, sale reported on Form 4 | 8,603 | $3.0M | 2023-06-20 |
| 2023-12-13 | S, sale reported on Form 4 | 8,603 | $3.4M | 2023-12-15 |
| 2024-02-12 | S, sale reported on Form 4 | 4,295 | $1.8M | 2024-02-13 |
| 2024-02-20 | S, sale reported on Form 4 | 4,804 | $2.0M | 2024-02-21 |
| 2024-02-21 | S, sale reported on Form 4 | 3,603 | $1.5M | 2024-02-23 |
| 2024-02-26 | S, sale reported on Form 4 | 5,034 | $2.1M | 2024-02-27 |
| 2024-05-15 | S, sale reported on Form 4 | 69 | $29.7K | 2024-05-17 |
IMGN
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Rhythm Pharmaceuticals, INC. (RYTM)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Alnylam Pharmaceuticals, INC. (ALNY)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Praxis Precision Medicines, Inc. (PRAX)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1557290) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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