DTIL — PRECISION BIOSCIENCES INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2019-03-28.
Performance
Technicals
Others in Healthcare
Measured signals that fired on DTIL
| date | signal | measured base rate |
|---|---|---|
| 2026-07-07 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-11 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-03-18 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-05-20 | Germano Geno J Director | Option exercise | 21.0K | — | — |
| 2026-05-20 | Brown Melinda Director | Option exercise | 21.0K | — | — |
| 2026-05-20 | Buehler Kevin Director | Option exercise | 21.0K | — | — |
| 2026-05-20 | Pire Shari Lisa Director | Option exercise | 21.0K | — | — |
| 2026-05-20 | Frankel Stanley Director | Option exercise | 21.0K | — | — |
| 2026-02-18 | Amoroso Michael President and CEO | Open-market sale 10b5-1 plan | 20.6K | 3.84 | 78.9K |
| 2026-02-18 | Kelly John Alexander Chief Financial Officer | Open-market sale 10b5-1 plan | 8.1K | 3.84 | 31.3K |
| 2026-02-18 | SMITH J. JEFFERSON Chief Research Officer | Open-market sale 10b5-1 plan | 4.9K | 3.84 | 18.9K |
| 2026-02-18 | Scimeca Dario General Counsel and Secretary | Open-market sale 10b5-1 plan | 4.9K | 3.84 | 18.9K |
| 2026-02-17 | SMITH J. JEFFERSON Chief Research Officer | Option exercise 10b5-1 plan | 16.7K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Octagon Capital Advisors LP | 12.3M | 2.2M |
| Aberdeen Group plc | 12.3M | 2.2M |
| Empery Asset Management, LP | 10.8M | 2.0M |
| Bleichroeder LP | 9.1M | 1.7M |
| BOOTHBAY FUND MANAGEMENT, LLC | 5.9M | 1.1M |
| Driehaus Capital Management LLC | 5.5M | 995.4K |
| Lynx1 Capital Management LP | 5.4M | 985.1K |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | 910.7K |
| Affinity Asset Advisors, LLC | 3.3M | 597.9K |
| MARSHALL WACE, LLP | 2.3M | 415.7K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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