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 27, 2026 | Banerjee Subhashis | Chief Medical Officer | Option exercise(M) | 5K | — | $0 |
| Aug 27, 2026 | Banerjee Subhashis | Chief Medical Officer | Sell(S) | 8K | $12.01 | $99K |
| Aug 27, 2026 | Banerjee Subhashis | Chief Medical Officer | Option exercise(M) | 5K | $1.92 | $10K |
| Aug 18, 2026 | Banerjee Subhashis | Chief Medical Officer | Option exercise(M) | 429 | — | $0 |
| Aug 18, 2026 | Banerjee Subhashis | Chief Medical Officer | Sell(S) | 429 | $12.00 | $5K |
| Aug 18, 2026 | Banerjee Subhashis | Chief Medical Officer | Option exercise(M) | 429 | $1.92 | $824 |
| Jul 31, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 25K | $9.93 | $248K |
| Jul 29, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 21K | $9.99 | $208K |
| Jul 24, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 41K | $9.99 | $413K |
| Jul 23, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 60K | $9.96 | $596K |
| Jul 22, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 84K | $9.93 | $835K |
| Jul 21, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 121K | $9.55 | $1.2M |
| Jul 17, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 8K | $8.95 | $71K |
| Jul 16, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 152K | $8.93 | $1.4M |
| Jul 13, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 7K | $8.94 | $58K |
| Jun 26, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 2K | $8.98 | $17K |
| Jun 25, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 31K | $8.88 | $275K |
| Jun 16, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 125K | $8.89 | $1.1M |
| Jun 15, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 15K | $8.99 | $139K |
| Jun 12, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 391K | $8.57 | $3.4M |
| Jun 11, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 549K | $7.91 | $4.3M |
| Jun 10, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 103 | $7.00 | $721 |
| Jun 9, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 479K | $6.91 | $3.3M |
| May 19, 2026 | Aslan Fred | Chief Executive Officer, Director | Sell(S) | 27K | $9.01 | $244K |
| May 19, 2026 | Banerjee Subhashis | Chief Medical Officer | Sell(S) | 7K | $9.01 | $63K |
| May 19, 2026 | Bush Jennifer | COO, CLO, Compliance Officer | Sell(S) | 9K | $9.01 | $79K |
| May 19, 2026 | Horan Christopher | Chief Tech Operations Officer | Sell(S) | 7K | $9.01 | $63K |
| May 19, 2026 | Raymon Heather | SVP, Research and Development | Sell(S) | 3K | $9.01 | $28K |
| May 18, 2026 | Miralles Gines Diego | President & Head of R&D | Grant(A) | 78K | — | $0 |
| May 18, 2026 | Miralles Gines Diego | President & Head of R&D | Grant(A) | 233K | — | $0 |
| May 11, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 6.5M | $11.52 | $75.0M |
| May 11, 2026 | Ra Capital Management, L.P. | Director, 10% Owner | Buy(P) | 2.2M | $11.52 | $25.0M |
| May 11, 2026 | GC Corp. | 10% Owner | Buy(P) | 1.1M | $11.52 | $12.5M |
| May 11, 2026 | GC Corp. | 10% Owner | Buy(P) | 347K | $11.52 | $4.0M |
| Mar 10, 2026 | Huston Thad Allen | Chief Financial Officer | Grant(A) | 220K | — | $0 |
| Feb 18, 2026 | Sorg Elaine K. | Director | Grant(A) | 28K | — | $0 |
| Feb 15, 2026 | Aslan Fred | President and CEO, Director | Tax withholding(F) | 15K | $4.00 | $58K |
| Feb 15, 2026 | Aslan Fred | President and CEO, Director | Grant(A) | 367K | — | $0 |
| Feb 15, 2026 | Banerjee Subhashis | Chief Medical Officer | Grant(A) | 102K | — | $0 |
| Feb 15, 2026 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Grant(A) | 117K | — | $0 |
| Feb 15, 2026 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Tax withholding(F) | 4K | $4.00 | $14K |
| Feb 15, 2026 | Horan Christopher | Chief Tech Operations Officer | Tax withholding(F) | 2K | $4.00 | $9K |
| Feb 15, 2026 | Horan Christopher | Chief Tech Operations Officer | Grant(A) | 117K | — | $0 |
| Feb 15, 2026 | Raymon Heather | SVP, Research and Development | Grant(A) | 46K | — | $0 |
| Feb 15, 2026 | Raymon Heather | SVP, Research and Development | Tax withholding(F) | 2K | $4.00 | $6K |
| Dec 15, 2025 | Aslan Fred | President and CEO, Director | Sell(S) | 3K | $6.00 | $19K |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Grant(A) | 869K | — | $0 |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 51K | — | — |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 257K | — | — |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 26K | — | — |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 114K | — | — |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 319K | — | — |
| Dec 12, 2025 | Aslan Fred | President and CEO, Director | Disposed to issuer(D) | 101K | — | — |
| Dec 12, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Grant(A) | 85K | — | $0 |
| Dec 12, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Disposed to issuer(D) | 21K | — | — |
| Dec 12, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Disposed to issuer(D) | 9K | — | — |
| Dec 12, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Disposed to issuer(D) | 14K | — | — |
| Dec 12, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Disposed to issuer(D) | 41K | — | — |
| Dec 12, 2025 | Horan Christopher | Chief Tech Operations Officer | Grant(A) | 107K | — | $0 |
| Dec 12, 2025 | Horan Christopher | Chief Tech Operations Officer | Disposed to issuer(D) | 78K | — | — |
| Dec 12, 2025 | Horan Christopher | Chief Tech Operations Officer | Disposed to issuer(D) | 9K | — | — |
| Dec 12, 2025 | Horan Christopher | Chief Tech Operations Officer | Disposed to issuer(D) | 21K | — | — |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Grant(A) | 67K | — | $0 |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Disposed to issuer(D) | 15K | — | — |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Disposed to issuer(D) | 13K | — | — |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Disposed to issuer(D) | 11K | — | — |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Disposed to issuer(D) | 18K | — | — |
| Dec 12, 2025 | Raymon Heather | SVP, Research and Development | Disposed to issuer(D) | 10K | — | — |
| Nov 17, 2025 | Aslan Fred | President and CEO, Director | Sell(S) | 6K | $3.38 | $22K |
| Nov 15, 2025 | Aslan Fred | President and CEO, Director | Tax withholding(F) | 6K | $3.25 | $21K |
| Nov 15, 2025 | Krishnamohan Neha | Chief Financial Officer | Tax withholding(F) | 3K | $3.25 | $11K |
| Nov 15, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Tax withholding(F) | 3K | $3.25 | $10K |
| Nov 15, 2025 | Horan Christopher | Chief Tech Operations Officer | Tax withholding(F) | 2K | $3.25 | $6K |
| Nov 15, 2025 | Raymon Heather | SVP, Research and Development | Tax withholding(F) | 1K | $3.25 | $4K |
| Oct 17, 2025 | Aslan Fred | President and CEO, Director | Sell(S) | 26K | $6.00 | $153K |
| Aug 15, 2025 | Horan Christopher | Chief Tech Operations Officer | Tax withholding(F) | 4K | $2.75 | $10K |
| Aug 15, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Tax withholding(F) | 6K | $2.75 | $18K |
| Aug 15, 2025 | Krishnamohan Neha | Chief Financial Officer | Tax withholding(F) | 6K | $2.75 | $16K |
| Aug 15, 2025 | Raymon Heather | SVP, Research and Development | Tax withholding(F) | 2K | $2.75 | $5K |
| Aug 15, 2025 | Aslan Fred | President and CEO, Director | Sell(S) | 26K | $2.73 | $70K |
| Aug 15, 2025 | Aslan Fred | President and CEO, Director | Tax withholding(F) | 4K | $2.75 | $12K |
| Jun 24, 2025 | Daniels Brian | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Miralles Gines Diego | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Hougen Elizabeth L | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Baker Daniel G. | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Moore Alison | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Stoppel Laura | Director | Grant(A) | 14K | — | $0 |
| Jun 24, 2025 | Ra Capital Management, L.P. | Director, 10% Owner | Grant(A) | 14K | — | $0 |
| May 15, 2025 | Horan Christopher | Chief Tech Operations Officer | Tax withholding(F) | 1K | $2.13 | $3K |
| May 15, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Tax withholding(F) | 2K | $2.13 | $4K |
| May 15, 2025 | Krishnamohan Neha | Chief Financial Officer | Tax withholding(F) | 1K | $2.13 | $3K |
| May 15, 2025 | Raymon Heather | SVP, Research and Development | Tax withholding(F) | 745 | $2.13 | $2K |
| May 15, 2025 | Aslan Fred | President and CEO, Director | Tax withholding(F) | 4K | $2.13 | $10K |
| Apr 8, 2025 | Banerjee Subhashis | Chief Medical Officer | Grant(A) | 50K | — | $0 |
| Apr 8, 2025 | Banerjee Subhashis | Chief Medical Officer | Grant(A) | 80K | — | $0 |
| Mar 5, 2025 | Aslan Fred | President and CEO, Director | Grant(A) | 200K | — | $0 |
| Feb 26, 2025 | Bush Jennifer | COO, CLO, Secy, Compliance Off | Grant(A) | 87K | — | $0 |
| Feb 26, 2025 | Krishnamohan Neha | Chief Financial Officer | Grant(A) | 60K | — | $0 |
| Feb 26, 2025 | Horan Christopher | Chief Tech Operations Officer | Grant(A) | 60K | — | $0 |
| Feb 26, 2025 | Graef Thorsten | Chief Medical Officer | Grant(A) | 60K | — | $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 2006-01-02 → 2026-09-03. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).
Connected pages for ARTV