ACET insider buying – Adicet Bio, Inc.
7 insider purchases since 2016 worth $23.0M by 6 different insiders. Last 12 months: 1 purchases, $1.6M. Most recent filing: 2026-04-13.
Small company Public float $50M (latest 10-K, SEC). Share prices of small companies usually swing much more than those of large ones, in both directions, and are easier to move with little trading.
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| GORDON CARL L Director | $7.5M 1× · 3,125,000 sh | 2024-01-25 2024-01-25 | – | 658,457 shares as of 2024-06-07 | Holds - never sold |
| Sinclair Andrew Director | $7.0M 1× · 500,000 sh | 2021-12-08 2021-12-08 | – | 17,700 shares as of 2025-06-13 | Holds - never sold |
| ORBIMED ADVISORS LLC 10% Owner | $6.8M 2× · 5,875,000 sh | 2023-06-27 2025-10-08 | – | 4,490,254 shares as of 2025-10-10 | Holds - never sold |
| RA Capital Healthcare Fund LP 10% Owner | $1.6M 1× · 223,596 sh | 2026-02-18 2026-02-18 | – | 1,182,624 shares as of 2026-04-13 | Holds - never sold |
| Schor Chen CEO | $15,125 1× · 11,000 sh | 2023-09-28 2023-09-28 | 12× · $4.9M last 2022-11-10 | 9,536 shares as of 2026-01-27 | Holds (sold earlier) |
| DUBIN STEVE Director | $12,000 1× · 5,000 sh | 2023-06-30 2023-06-30 | – | 22,700 shares as of 2025-06-13 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 1 | $1.6M | 1 | 1 | $674,847 |
| 2025 | 1 | $5.0M | 1 | – | – |
| 2024 | 1 | $7.5M | 1 | – | – |
| 2023 | 3 | $1.9M | 3 | 1 | $83,527 |
| 2022 | 0 | – | – | 12 | $4.5M |
| 2021 | 1 | $7.0M | 1 | 10 | $1.9M |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-13 | RA Capital Healthcare Fund LP | 10% Owner | 223,596 | $7.17 | $1.6M | +23.3% | SEC |
| 2025-10-10 | ORBIMED ADVISORS LLC | 10% Owner | 5,000,000 | $1.00 | $5.0M | +124.2% | SEC |
| 2024-01-26 | GORDON CARL L | Director | 3,125,000 | $2.40 | $7.5M | +71.0% | SEC |
| 2023-10-02 | Schor Chen | CEO | 11,000 | $1.38 | $15,125 | +6.4% | SEC |
| 2023-06-30 | DUBIN STEVE | Director | 5,000 | $2.40 | $12,000 | +84.7% | SEC |
| 2023-06-29 | ORBIMED ADVISORS LLC | Director | 875,000 | $2.09 | $1.8M | +18.2% | SEC |
| 2021-12-10 | Sinclair Andrew | Director | 500,000 | $14.00 | $7.0M | +30.5% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-09 | OrbiMed Advisors Israel II Ltd | 10% Owner | 104,658 | $6.45 | $674,847 | Sale | SEC |
| 2023-02-14 | Healey Don | Officer | 10,467 | $7.98 | $83,527 | Sale | SEC |
| 2022-11-15 | Schor Chen | CEO | 39,955 | $20.30 | $811,154 | Sale | SEC |
| 2022-11-15 | Aftab Blake | Officer | 6,967 | $21.00 | $146,307 | Sale | SEC |
| 2022-11-09 | Schor Chen | CEO | 30,000 | $19.05 | $571,500 | Sale | SEC |
| 2022-11-04 | Schor Chen | CEO | 25,313 | $18.04 | $456,627 | Sale | SEC |
| 2022-10-21 | Aftab Blake | Officer | 8,067 | $16.27 | $131,250 | Sale | SEC |
| 2022-09-13 | CEO | 78,412 | $16.80 | $1.3M | Sale | SEC | |
| 2022-08-05 | Aftab Blake | Officer | 6,968 | $18.00 | $125,424 | Sale | SEC |
| 2022-08-03 | Aftab Blake | Officer | 6,968 | $16.64 | $115,948 | Sale | SEC |
| 2022-04-05 | Galimi Francesco | Officer | 15,600 | $21.00 | $327,600 | Sale | SEC |
| 2022-03-11 | Jakobovits Aya | Director | 4,000 | $14.00 | $56,000 | Sale | SEC |
| 2022-02-17 | Jakobovits Aya | Director | 4,000 | $14.83 | $59,320 | Sale | SEC |
| 2022-02-14 | Jakobovits Aya | Director | 24,000 | $16.51 | $396,140 | Sale | SEC |
| 2021-06-21 | Schor Chen | CEO | 16,466 | $10.53 | $173,387 | Sale | SEC |
Showing the latest 15 of 24 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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