Sullivan Mark insider trades
Sullivan Mark has filed 20 Form 4s with the SEC that we hold, for Definium Therapeutics, Inc. (DFTX) (Chief Legal Officer) and SESN (General Counsel & Secretary). Across all of them we count 0 purchases worth $0 and 14 sales worth $2.0M reported on Form 4. In the last 12 months: 0 purchases ($0) and 4 sales ($1.4M). The largest single trade was a sale of 13,008 shares of Definium Therapeutics, Inc. worth $585.8K, dated 2026-06-25. Of 1 sale filed since we began reading the 10b5-1 checkbox, 1 (100%) was marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2022-02-23 and the latest 2026-09-29.
Definium Therapeutics, Inc. (DFTX)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2024-06-25 | S, sale reported on Form 4 | 17,854 | $128.9K | 2024-06-25 | SEC |
| 2024-09-25 | S, sale reported on Form 4 | 4,430 | $26.5K | 2024-09-25 | SEC |
| 2024-12-26 | S, sale reported on Form 4 | 4,519 | $33.6K | 2024-12-27 | SEC |
| 2025-03-25 | S, sale reported on Form 4 | 6,576 | $44.3K | 2025-03-26 | SEC |
| 2025-06-25 | S, sale reported on Form 4 | 11,491 | $78.1K | 2025-06-26 | SEC |
| 2025-09-25 | S, sale reported on Form 4 | 11,278 | $110.2K | 2025-09-26 | SEC |
| 2025-12-26 | S, sale reported on Form 4 | 11,276 | $148.3K | 2025-12-29 | SEC |
| 2026-03-25 | S, sale reported on Form 4 | 10,702 | $197.7K | 2026-03-26 | SEC |
| 2026-06-25 | S, sale reported on Form 4 | 13,008 | $585.8K | 2026-06-26 | SEC |
| 2026-09-25 | S, sale reported on Form 4 | 14,051 | $513.8K | 2026-09-29 | SEC |
SESN
Counted from the Form 4 filings this reporting owner (SEC CIK 1331843) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
