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 |
|---|---|---|---|---|---|---|
| Dec 23, 2025 | Atlas Venture Associates VIII, Inc. | 10% Owner | Other(J) | 22.7M | $10.30 | $234.0M |
| Dec 23, 2025 | Heller Bridgette P | Director | Disposed to issuer(D) | 63K | $10.30 | $645K |
| Dec 23, 2025 | Berkes Otto | Director | Disposed to issuer(D) | 81K | $10.30 | $830K |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Disposed to issuer(D) | 412K | $10.30 | $4.2M |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 56K | — | $0 |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 158K | — | $0 |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 975K | — | $0 |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Disposed to issuer(D) | 2.1M | $4.13 | $8.5M |
| Dec 23, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 367K | — | $0 |
| Dec 23, 2025 | Gil Alexis II | Chief Accounting Officer | Disposed to issuer(D) | 137K | $10.30 | $1.4M |
| Dec 23, 2025 | Putman Jill | Director | Disposed to issuer(D) | 132K | $10.30 | $1.4M |
| Dec 23, 2025 | Wegner Alpana | Chief Financial Officer | Disposed to issuer(D) | 525K | $10.30 | $5.4M |
| Dec 23, 2025 | Lord Robert | Director | Disposed to issuer(D) | 29K | $10.30 | $301K |
| Dec 23, 2025 | Vepf Management, L.P. | 10% Owner | Other(J) | 65.0M | $10.30 | $669.6M |
| Dec 2, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 3K | $10.28 | $29K |
| Nov 5, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 12K | $10.24 | $125K |
| Nov 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 24K | — | $0 |
| Nov 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 24K | — | $0 |
| Oct 7, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 9K | $10.19 | $94K |
| Oct 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 18K | — | $0 |
| Oct 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 17K | $10.19 | $176K |
| Oct 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 18K | — | $0 |
| Oct 3, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 4K | $10.18 | $36K |
| Oct 2, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 2K | $10.18 | $20K |
| Oct 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 34K | — | $0 |
| Oct 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 34K | — | $0 |
| Sep 24, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 26K | $10.18 | $264K |
| Sep 3, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 3K | $8.98 | $25K |
| Aug 6, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 10K | $8.12 | $81K |
| Aug 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 19K | — | $0 |
| Aug 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 19K | — | $0 |
| Jul 10, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 8K | $8.29 | $69K |
| Jul 8, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 15K | $8.31 | $124K |
| Jul 7, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 2K | $8.43 | $17K |
| Jul 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 16K | — | $0 |
| Jul 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 16K | — | $0 |
| Jul 1, 2025 | Wegner Alpana | Chief Financial Officer | Grant(A) | 525K | — | $0 |
| Jul 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 29K | — | $0 |
| Jul 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 29K | — | $0 |
| Jun 10, 2025 | Putman Jill | Director | Disposed to issuer(D) | 42K | — | $0 |
| Jun 3, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 3K | $7.97 | $23K |
| May 9, 2025 | Berkes Otto | Director | Grant(A) | 18K | — | $0 |
| May 9, 2025 | Heller Bridgette P | Director | Grant(A) | 18K | — | $0 |
| May 9, 2025 | Putman Jill | Interim CFO, Director | Grant(A) | 18K | — | $0 |
| May 9, 2025 | Lord Robert | Director | Grant(A) | 18K | — | $0 |
| May 7, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 8K | $7.37 | $62K |
| May 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 17K | — | $0 |
| May 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 17K | — | $0 |
| Apr 7, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 9K | $6.85 | $59K |
| Apr 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 69K | $7.44 | $511K |
| Apr 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 16K | — | $0 |
| Apr 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 16K | — | $0 |
| Apr 2, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 637 | $8.05 | $5K |
| Apr 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 124K | — | $0 |
| Apr 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 124K | — | $0 |
| Apr 1, 2025 | Gil Alexis II | Chief Accounting Officer | Grant(A) | 60K | — | $0 |
| Apr 1, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Grant(A) | 1.7M | — | $0 |
| Mar 4, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 3K | $10.41 | $34K |
| Feb 4, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 12K | $10.61 | $132K |
| Feb 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 24K | — | $0 |
| Feb 2, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 24K | — | $0 |
| Jan 7, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 6K | $9.75 | $58K |
| Jan 3, 2025 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 721 | $10.69 | $8K |
| Jan 3, 2025 | Putman Jill | Interim CFO, Director | Grant(A) | 109K | — | $0 |
| Jan 3, 2025 | Secor Tania | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Jan 3, 2025 | Secor Tania | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Jan 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 19K | — | $0 |
| Jan 3, 2025 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 19K | — | $0 |
| Dec 9, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 8K | $10.74 | $81K |
| Dec 6, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 6K | $10.95 | $71K |
| Dec 5, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Dec 5, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Dec 3, 2024 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 4K | $11.41 | $45K |
| Nov 12, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 13K | $12.71 | $161K |
| Nov 6, 2024 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 14K | $13.00 | $187K |
| Nov 2, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 27K | — | $0 |
| Nov 2, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 27K | — | $0 |
| Oct 25, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 23K | $12.25 | $277K |
| Oct 7, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 10K | $10.11 | $106K |
| Oct 7, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 5K | $10.11 | $53K |
| Oct 3, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 20K | — | $0 |
| Oct 3, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 20K | — | $0 |
| Oct 3, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Oct 3, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 10K | — | $0 |
| Oct 2, 2024 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 642 | $10.42 | $7K |
| Sep 9, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 8K | $11.08 | $87K |
| Sep 6, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 7K | $11.24 | $75K |
| Sep 5, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Sep 5, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 15K | — | $0 |
| Sep 4, 2024 | Gil Alexis II | Chief Accounting Officer | Sell(S) | 3K | $11.39 | $32K |
| Aug 6, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 9K | $10.92 | $102K |
| Aug 2, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 25K | — | $0 |
| Aug 2, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 25K | — | $0 |
| Aug 1, 2024 | Lord Robert | Director | Grant(A) | 12K | — | $0 |
| Jul 8, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Sell(S) | 6K | $9.68 | $62K |
| Jul 8, 2024 | Secor Tania | Chief Financial Officer | Sell(S) | 5K | $9.68 | $44K |
| Jul 3, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 18K | — | $0 |
| Jul 3, 2024 | Utzschneider Lisa | Chief Executive Officer, Director | Option exercise(M) | 18K | — | $0 |
| Jul 3, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 9K | — | $0 |
| Jul 3, 2024 | Secor Tania | Chief Financial Officer | Option exercise(M) | 9K | — | $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).