DTIL Precision BioSciences, Inc.
Precision BioSciences, Inc. (DTIL) 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: $145.1K.
Where they traded
Last open-market purchase: December 16, 2025 , by Germano Geno J .
Recent open-market activity
| Date | Insider | Role | Action | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|---|
| Amoroso Michael | President and CEO | Sell 10b5-1 | 20,559 | $3.84 | $78.9K | 243,392 −7.8% of holding | |
| Kelly John Alexander | Chief Financial Officer | Sell 10b5-1 | 8,149 | $3.84 | $31.3K | 125,883 −6.1% of holding | |
| SMITH J. JEFFERSON | Chief Research Officer | Sell 10b5-1 | 4,925 | $3.84 | $18.9K | 121,926 −3.9% of holding | |
| Scimeca Dario | General Counsel and Secretary | Sell 10b5-1 | 4,925 | $3.84 | $18.9K | 56,457 −8% of holding | |
| Amoroso Michael | President and CEO | Sell 10b5-1 | 34,799 | $4.17 | $145.1K | 196,154 −15.1% of holding | |
| Kelly John Alexander | Chief Financial Officer | Sell 10b5-1 | 15,213 | $4.03 | $61.3K | 106,448 −12.5% of holding | |
| SMITH J. JEFFERSON | Chief Research Officer | Sell 10b5-1 | 10,200 | $4.03 | $41.1K | 110,184 −8.5% of holding | |
| Scimeca Dario | General Counsel and Secretary | Sell 10b5-1 | 8,854 | $4.03 | $35.7K | 44,715 −16.5% of holding | |
| Germano Geno J | Director | Buy | 3,000 | $4.72 | $14.2K | 23,883 | |
| Frankel Stanley | Director | Buy | 2,700 | $4.70 | $12.7K | 19,478 | |
| Brown Melinda | Director | Buy | 1,381 | $4.97 | $6.9K | 23,346 | |
| Amoroso Michael | President and CEO | Sell 10b5-1 | 3,409 | $6.49 | $22.1K | 115,575 −2.9% of holding | |
| Kelly John Alexander | Chief Financial Officer | Sell 10b5-1 | 1,303 | $6.49 | $8.5K | 77,298 −1.7% of holding | |
| Scimeca Dario | General Counsel and Secretary | Sell 10b5-1 | 665 | $6.49 | $4.3K | 28,258 −2.3% of holding | |
| Frankel Stanley | Director | Buy | 2,700 | $4.97 | $13.4K | 16,778 |
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.