Updated Jul 16, 2026 · Last SEC filing 2026-06-18
General Motors Co (GM) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-18. 3 Form 8-K material event filings were reported by GM in the last 90 days. 7 Form 144 notices of proposed sale were filed for GM stock. InsiderAlpha tracks every GM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001467858 |
|---|
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 3 |
| Form 144 notices (90d) | 7 |
| Latest Form 4 filing | 2026-06-18 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Barra Mary T | Chair & CEO | S — Open-market sale | 83.5K | $85.10 | $7.10M | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 8.9K | $85.10 | $757K | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 6.9K | $41.40 | $284K | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 83.5K | $49.46 | $4.13M | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 6.9K | $85.10 | $584K | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 8.9K | $52.16 | $464K | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 20.6K | $41.40 | $852K | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 20.6K | $85.00 | $1.75M | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 23.0K | $41.40 | $952K | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 23.0K | $85.00 | $1.96M | SEC | |
| Barra Mary T | Chair & CEO | M — Option exercise | 59.8K | $41.40 | $2.47M | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 59.8K | $85.03 | $5.08M | SEC | |
| Barra Mary T | Chair & CEO | S — Open-market sale | 75.2K | $85.03 | $6.39M | SEC | |
| Harvey Rory | Executive Vice President | S — Open-market sale | 9.1K | $84.97 | $775K | SEC | |
| Hatto Christopher | Vice President & CAO | S — Open-market sale | 6.9K | $85.00 | $586K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for General Motors Co (GM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Barra Mary T | 30 | $68.28M |
| Harvey Rory | 6 | $8.06M |
| Hatto Christopher | 1 | $586K |
| Jacobson Paul A | 1 | $3.20M |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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