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 3, 2026 | Dixton Grant Michael | Executive Vice President | Sell(S) | 40K | $88.44 | $3.5M |
| Jul 30, 2026 | Dixton Grant Michael | Executive Vice President | Option exercise(M) | 79K | — | $0 |
| Jul 30, 2026 | Dixton Grant Michael | Executive Vice President | Tax withholding(F) | 35K | $88.40 | $3.1M |
| Jul 30, 2026 | Dixton Grant Michael | Executive Vice President | Option exercise(M) | 79K | — | $0 |
| Jul 29, 2026 | Anderson Sterling | Exective Vice President | Option exercise(M) | 96K | — | $0 |
| Jul 29, 2026 | Anderson Sterling | Exective Vice President | Tax withholding(F) | 49K | $89.40 | $4.4M |
| Jul 29, 2026 | Anderson Sterling | Exective Vice President | Option exercise(M) | 96K | — | $0 |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 92K | $41.40 | $3.8M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 92K | $90.38 | $8.3M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 70K | $49.46 | $3.4M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 70K | $90.38 | $6.3M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | $52.16 | $2.5M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 49K | $90.38 | $4.4M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 108K | $90.38 | $9.8M |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 92K | — | $0 |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 70K | — | $0 |
| Jul 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | — | $0 |
| Jul 28, 2026 | Hatto Christopher | Vice President & CAO | Sell(S) | 7K | $90.00 | $621K |
| Jul 28, 2026 | Reuss Mark L | President | Option exercise(M) | 71K | $49.46 | $3.5M |
| Jul 28, 2026 | Reuss Mark L | President | Sell(S) | 71K | $89.97 | $6.4M |
| Jul 28, 2026 | Reuss Mark L | President | Option exercise(M) | 71K | — | $0 |
| Jul 27, 2026 | Harvey Rory | Executive Vice President | Sell(S) | 9K | $86.95 | $772K |
| Jul 27, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | $52.16 | $2.6M |
| Jul 27, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 49K | $85.33 | $4.2M |
| Jul 27, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 55K | $85.32 | $4.7M |
| Jul 27, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | — | $0 |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 7K | $41.40 | $284K |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 7K | $85.10 | $584K |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 83K | $49.46 | $4.1M |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 83K | $85.10 | $7.1M |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 9K | $52.16 | $464K |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 9K | $85.10 | $757K |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 7K | — | $0 |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 83K | — | $0 |
| Jun 16, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 9K | — | $0 |
| Jun 9, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 21K | $41.40 | $852K |
| Jun 9, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 21K | $85.00 | $1.7M |
| Jun 9, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 21K | — | $0 |
| May 29, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 23K | $41.40 | $952K |
| May 29, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 23K | $85.00 | $2.0M |
| May 29, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 23K | — | $0 |
| May 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 60K | $41.40 | $2.5M |
| May 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 60K | $85.03 | $5.1M |
| May 28, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 75K | $85.03 | $6.4M |
| May 28, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 60K | — | $0 |
| May 28, 2026 | Hatto Christopher | Vice President & CAO | Sell(S) | 7K | $85.00 | $586K |
| May 28, 2026 | Harvey Rory | Executive Vice President | Sell(S) | 9K | $84.97 | $775K |
| May 27, 2026 | Harvey Rory | Executive Vice President | Sell(S) | 14K | $82.97 | $1.1M |
| May 27, 2026 | Harvey Rory | Executive Vice President | Sell(S) | 66K | $83.03 | $5.5M |
| May 27, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 103K | $82.32 | $8.5M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 92K | $41.40 | $3.8M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 92K | $80.01 | $7.3M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 70K | $49.46 | $3.4M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 70K | $80.01 | $5.6M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | $52.16 | $2.5M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 49K | $80.01 | $3.9M |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Sell(S) | 5K | $80.01 | $426K |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 92K | — | $0 |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 70K | — | $0 |
| May 26, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 49K | — | $0 |
| May 26, 2026 | Jacobson Paul A | Executive Vice President & CFO | Sell(S) | 40K | $80.00 | $3.2M |
| May 22, 2026 | Harvey Rory | Executive Vice President | Option exercise(M) | 6K | $41.40 | $234K |
| May 22, 2026 | Harvey Rory | Executive Vice President | Sell(S) | 6K | $79.57 | $450K |
| May 22, 2026 | Harvey Rory | Executive Vice President | Option exercise(M) | 6K | — | $0 |
| Feb 17, 2026 | Reuss Mark L | President | Option exercise(M) | 148K | $35.49 | $5.2M |
| Feb 17, 2026 | Reuss Mark L | President | Sell(S) | 1K | $80.94 | $89K |
| Feb 17, 2026 | Reuss Mark L | President | Sell(S) | 250K | $80.61 | $20.1M |
| Feb 17, 2026 | Reuss Mark L | President | Sell(S) | 148K | $80.61 | $11.9M |
| Feb 17, 2026 | Reuss Mark L | President | Sell(S) | 82K | $80.10 | $6.6M |
| Feb 17, 2026 | Reuss Mark L | President | Option exercise(M) | 82K | $52.16 | $4.3M |
| Feb 17, 2026 | Reuss Mark L | President | Option exercise(M) | 82K | — | $0 |
| Feb 17, 2026 | Reuss Mark L | President | Option exercise(M) | 148K | — | $0 |
| Feb 7, 2026 | Hatto Christopher | Vice President & CAO | Tax withholding(F) | 12K | $84.24 | $1.0M |
| Feb 7, 2026 | Hatto Christopher | Vice President & CAO | Grant(A) | 29K | — | $0 |
| Feb 7, 2026 | Barra Mary T | Chair & CEO, Director | Tax withholding(F) | 227K | $84.24 | $19.2M |
| Feb 7, 2026 | Barra Mary T | Chair & CEO, Director | Grant(A) | 522K | — | $0 |
| Feb 7, 2026 | Reuss Mark L | President | Tax withholding(F) | 163K | $84.24 | $13.7M |
| Feb 7, 2026 | Reuss Mark L | President | Grant(A) | 374K | — | $0 |
| Feb 7, 2026 | Jacobson Paul A | Executive Vice President & CFO | Grant(A) | 221K | — | $0 |
| Feb 7, 2026 | Jacobson Paul A | Executive Vice President & CFO | Tax withholding(F) | 100K | $84.24 | $8.4M |
| Feb 7, 2026 | Harvey Rory | Executive Vice President | Tax withholding(F) | 67K | $84.24 | $5.6M |
| Feb 7, 2026 | Harvey Rory | Executive Vice President | Grant(A) | 24K | — | $0 |
| Feb 7, 2026 | Harvey Rory | Executive Vice President | Grant(A) | 152K | — | $0 |
| Feb 7, 2026 | Harvey Rory | Executive Vice President | Tax withholding(F) | 11K | $84.24 | $885K |
| Feb 6, 2026 | Hatto Christopher | Vice President & CAO | Option exercise(M) | 2K | — | $0 |
| Feb 6, 2026 | Hatto Christopher | Vice President & CAO | Tax withholding(F) | 645 | $84.24 | $54K |
| Feb 6, 2026 | Hatto Christopher | Vice President & CAO | Option exercise(M) | 2K | — | $0 |
| Feb 6, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 43K | — | $0 |
| Feb 6, 2026 | Barra Mary T | Chair & CEO, Director | Tax withholding(F) | 18K | $84.24 | $1.5M |
| Feb 6, 2026 | Barra Mary T | Chair & CEO, Director | Option exercise(M) | 43K | — | $0 |
| Feb 6, 2026 | Reuss Mark L | President | Option exercise(M) | 31K | — | $0 |
| Feb 6, 2026 | Reuss Mark L | President | Tax withholding(F) | 13K | $84.24 | $1.1M |
| Feb 6, 2026 | Reuss Mark L | President | Option exercise(M) | 31K | — | $0 |
| Feb 6, 2026 | Jacobson Paul A | Executive Vice President & CFO | Tax withholding(F) | 9K | $84.24 | $779K |
| Feb 6, 2026 | Jacobson Paul A | Executive Vice President & CFO | Option exercise(M) | 20K | — | $0 |
| Feb 6, 2026 | Jacobson Paul A | Executive Vice President & CFO | Option exercise(M) | 20K | — | $0 |
| Feb 6, 2026 | Harvey Rory | Executive Vice President | Tax withholding(F) | 6K | $84.24 | $540K |
| Feb 6, 2026 | Harvey Rory | Executive Vice President | Option exercise(M) | 16K | — | $0 |
| Feb 6, 2026 | Harvey Rory | Executive Vice President | Option exercise(M) | 16K | — | $0 |
| Feb 4, 2026 | Hatto Christopher | Vice President & CAO | Option exercise(M) | 2K | — | $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 GM