DFTX Definium Therapeutics, Inc.
Definium Therapeutics, Inc. (DFTX) Insider Activity
What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.
How much of that selling was preplanned? 100% planned / 0% discretionary
Largest single sale: $1.3M.
Where they traded
No open-market insider purchase on record.
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Barrow Robert | Chief Executive Officer | Sell 10b5-1 | 19,023 | $37.94 | $721.7K | 1,494,640 −1.3% of holding | |
| Barrow Robert | Chief Executive Officer | Sell 10b5-1 | 29,208 | $45.03 | $1.3M | 1,098,246 −2.6% of holding | |
| Sullivan Mark | Chief Legal Officer | Sell 10b5-1 | 13,008 | $45.03 | $585.8K | 320,571 −3.9% of holding | |
| Karlin Daniel | Chief Medical Officer | Sell 10b5-1 | 10,035 | $45.03 | $451.9K | 503,282 −2% of holding | |
| Roberts Brandi | Chief Financial Officer | Sell 10b5-1 | 3,013 | $45.03 | $135.7K | 209,487 −1.4% of holding | |
| Wiley Matthew T. | Chief Commercial Officer | Sell 10b5-1 | 2,867 | $45.03 | $129.1K | 174,633 −1.6% of holding | |
| Barrow Robert | Chief Executive Officer | Sell 10b5-1 | 24,431 | $18.47 | $451.2K | 752,454 −3.1% of holding | |
| Sullivan Mark | Chief Legal Officer | Sell 10b5-1 | 10,702 | $18.47 | $197.7K | 271,079 −3.8% of holding | |
| Karlin Daniel | Chief Medical Officer | Sell 10b5-1 | 8,018 | $18.47 | $148.1K | 413,317 −1.9% of holding | |
| Barrow Robert | Chief Executive Officer | Sell 10b5-1 | 25,791 | $13.15 | $339.1K | 778,477 −3.2% of holding | |
| Sullivan Mark | Chief Legal Officer | Sell 10b5-1 | 11,276 | $13.15 | $148.2K | 282,576 −3.8% of holding | |
| Karlin Daniel | Chief Medical Officer | Sell 10b5-1 | 5,600 | $13.15 | $73.6K | 425,025 −1.3% of holding | |
| Barrow Robert | Chief Executive Officer | Sell 10b5-1 | 25,797 | $9.77 | $252.0K | 804,268 −3.1% of holding | |
| Sullivan Mark | Chief Legal Officer | Sell 10b5-1 | 11,278 | $9.77 | $110.2K | 293,852 −3.7% of holding | |
| Karlin Daniel | Chief Medical Officer | Sell 10b5-1 | 7,704 | $9.77 | $75.3K | 430,625 −1.8% of holding |
Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.