The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 7K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 37K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 4K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Koenig Gerhard | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 25K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 6K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 37K | — | — |
| Aug 5, 2025 | Blanchard Cheryl R | Director | Disposed to issuer(D) | 25K | — | — |
| Aug 5, 2025 | Gray David L. F. | Chief Science Officer | Disposed to issuer(D) | 125K | — | — |
| Aug 5, 2025 | Gray David L. F. | Chief Science Officer | Disposed to issuer(D) | 267K | — | — |
| Aug 5, 2025 | Gray David L. F. | Chief Science Officer | Disposed to issuer(D) | 125K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 24K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 6K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 24K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Bruhn Suzanne Louise | Director | Disposed to issuer(D) | 34K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 223K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 463K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 370K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 485K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 369K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 211K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 405K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 43K | — | — |
| Aug 5, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 282K | — | — |
| Aug 5, 2025 | Vitorovic Stefan | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Vitorovic Stefan | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Vitorovic Stefan | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Vitorovic Stefan | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 4.8M | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 1.0M | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 48K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 35K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 10K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Booth Bruce | Director | Disposed to issuer(D) | 8K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 4K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 156K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 22K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 96K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 120K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 50K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 110K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 135K | — | — |
| Aug 5, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer, Director | Disposed to issuer(D) | 156K | — | — |
| Aug 5, 2025 | Budd Haeberlein Samantha L. | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Budd Haeberlein Samantha L. | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Budd Haeberlein Samantha L. | Director | Disposed to issuer(D) | 31K | — | — |
| Aug 5, 2025 | Budd Haeberlein Samantha L. | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Budd Haeberlein Samantha L. | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Kaufmann Petra | Chief Medical Officer | Disposed to issuer(D) | 144K | — | — |
| Aug 5, 2025 | Kaufmann Petra | Chief Medical Officer | Disposed to issuer(D) | 330K | — | — |
| Aug 5, 2025 | Thistle Mary | Director | Disposed to issuer(D) | 5K | — | — |
| Aug 5, 2025 | Thistle Mary | Director | Disposed to issuer(D) | 12K | — | — |
| Aug 5, 2025 | Thistle Mary | Director | Disposed to issuer(D) | 14K | — | — |
| Aug 5, 2025 | Thistle Mary | Director | Disposed to issuer(D) | 18K | — | — |
| Aug 5, 2025 | Thistle Mary | Director | Disposed to issuer(D) | 24K | — | — |
| Aug 5, 2025 | Atlas Venture Opportunity Fund I, L.P. | 10% Owner | Disposed to issuer(D) | 1.0M | — | — |
| Aug 5, 2025 | Atlas Venture Opportunity Fund I, L.P. | 10% Owner | Disposed to issuer(D) | 4.8M | — | — |
| May 22, 2025 | Thistle Mary | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Blanchard Cheryl R | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Budd Haeberlein Samantha L. | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Koenig Gerhard | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Bruhn Suzanne Louise | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Vitorovic Stefan | Director | Grant(A) | 5K | — | $0 |
| May 22, 2025 | Booth Bruce | Director | Grant(A) | 5K | — | $0 |
| Mar 3, 2025 | Booth Bruce | Director | Grant(A) | 48K | — | $0 |
| Mar 3, 2025 | Gray David L. F. | Chief Science Officer | Grant(A) | 125K | — | $0 |
| Mar 3, 2025 | Magovcevic-Liebisch Ivana | President and CEO, Director | Grant(A) | 485K | — | $0 |
| Mar 3, 2025 | Bruhn Suzanne Louise | Director | Grant(A) | 34K | — | $0 |
| Mar 3, 2025 | Ziolkowski Jennifer Lynn | Chief Financial Officer | Grant(A) | 156K | — | $0 |
| Mar 3, 2025 | Kaufmann Petra | Chief Medical Officer | Grant(A) | 144K | — | $0 |
| Dec 19, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Buy(P) | 5K | $1.68 | $8K |
| Dec 19, 2024 | Budd Haeberlein Samantha L. | Director | Buy(P) | 12K | $1.71 | $21K |
| Dec 18, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Buy(P) | 5K | $1.67 | $8K |
| Dec 5, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Buy(P) | 5K | $2.34 | $12K |
| Jun 5, 2024 | Blanchard Cheryl R | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Budd Haeberlein Samantha L. | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Booth Bruce | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Koenig Gerhard | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Bruhn Suzanne Louise | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Thistle Mary | Director | Grant(A) | 18K | — | $0 |
| Jun 5, 2024 | Vitorovic Stefan | Director | Grant(A) | 18K | — | $0 |
| May 3, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Grant(A) | 370K | — | $0 |
| May 3, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Disposed to issuer(D) | 370K | — | $0 |
| May 3, 2024 | Magovcevic-Liebisch Ivana | President and CEO, Director | Grant(A) | 282K | — | $0 |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-03-29 → 2026-07-14. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).