General Motors (GM) insider buying and selling
Every Table I transaction reported by directors and officers of S&P 500 companies on SEC Form 4 filings (2 business days to file): each row labeled with its official transaction code, nothing filtered out beforehand.
Open-market purchases (code P) are the rare signal, in green; sales (code S) are common and often pre-scheduled (10b5-1). Table II (derivatives) is not included: its prices are exercise prices, not market values. Guide: insider buying.
| Date | Ticker | Insider | Role | Shares | Price | Amount | % of stake | Type / filing |
|---|
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General Motors Company (GM) insider buying and selling: no purchases, 32 sales
93 Form 4 Table I transactions filed with the SEC by General Motors Company insiders between 2025-08-29 and 2026-08-03 (15-month history): 0 open-market purchases and 32 sales, plus 61 transactions under other Form 4 codes, broken down one by one below. The largest open-market trade is a sale of $52.8M by Barra Mary T on 2025-08-28.
General Motors insider buying and selling over the last 12 months
Between Oct 21, 2025 and Oct 20, 2026, General Motors insiders filed 21 sales worth $167.6M on the open market, and no purchases.
The biggest seller was Barra Mary T (Chair & CEO): $87.0M in 8 sales, out of 6 different sellers.
The largest trade of the period was a sale of $38.7M on Feb 17, 2026, by Reuss Mark L (President), under a 10b5-1 plan. Form 4 on sec.gov (0001492362-26-000008).
All 21 sales carry the 10b5-1 plan flag on the Form 4: scheduled months ahead.
The last three months show 6 sales, against 11 in the three before. The latest sale from Aug 3, 2026.
Against its sector (Consumer Cyclical, 54 companies with an insider page on this site), over the same dates the median is 9 sales and 0 purchases on the open market. General Motors has more sales than 43 of the other 53, ranks 9 of 54 by net dollars sold, and 18 of the 54 have at least one purchase.
The 20 most important trades
With no open-market purchases, the table starts with GM's sales, largest first. The full history is in the tool above, already searched.
See all 93 GM trades in the full history →
| Trade date | Filed | Insider | Role | Amount | Code | Filing |
|---|---|---|---|---|---|---|
| 2025-08-28 | 2025-08-29 | Barra Mary T | Chair & CEO | $52.8M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $57.77 to $58.99, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2025-09-24 | 2025-09-25 | Barra Mary T | Chair & CEO | $45.2M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $59.90 to $60.14, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-02-17 | 2026-02-18 | Reuss Mark L | President | $38.7M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average sales price of the shares. The shares were sold in multiple transactions at prices from $79.60 to $81.36, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-07-28 | 2026-07-29 | Barra Mary T | Chair & CEO | $28.8M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $90.00 to $90.79, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2025-10-22 | 2025-10-24 | Reuss Mark L | President | $17.3M | S — Open-market sale (scheduled 10b5-1)2 Form 4 footnotesF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $66.02 to $66.97, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. F2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $65.96 to $66.98, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-05-26 | 2026-05-28 | Barra Mary T | Chair & CEO | $17.2M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $80.00 to $80.16, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-05-28 | 2026-05-28 | Barra Mary T | Chair & CEO | $11.5M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF3 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.19, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-07-27 | 2026-07-29 | Barra Mary T | Chair & CEO | $8.9M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.84, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-05-27 | 2026-05-28 | Barra Mary T | Chair & CEO | $8.5M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $80.89 to $83.07, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-06-16 | 2026-06-18 | Barra Mary T | Chair & CEO | $8.4M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $85.00 to $85.34, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2025-09-25 | 2025-09-26 | Reuss Mark L | President | $8.2M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $60.00 to $60.35, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-05-27 | 2026-05-27 | Harvey Rory | Executive Vice President | $6.6M | S — Open-market sale (scheduled 10b5-1)3 Form 4 footnotesF1 On February 7, 2023, the Reporting Person received a grant of Performance Stock Units ("PSUs"). Under the grant, the PSUs could be earned based on the achievement of certain financial targets. The PSUs vested on February 7, 2026, and were awarded in shares of common stock. F2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $82.97 to $83.25, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. F3 On July 3, 2023, the Reporting Person received a grant of PSUs. Under the grant, the PSUs could be earned based on the achievement of certain financial targets. The PSUs vested on February 7, 2026, and were awarded in shares of common stock. | SEC |
| 2026-07-28 | 2026-07-29 | Reuss Mark L | President | $6.4M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $89.95 to $90.07, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2025-08-29 | 2025-08-29 | Barra Mary T | Chair & CEO | $5.1M | S — Open-market sale (scheduled 10b5-1) Indirect holding, through: By GRAT 2 Form 4 footnotesF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $57.86 to $58.60, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. F3 After completion of the final GRAT annuity distribution of 81,289 shares to the reporting person, the remainder securities were sold upon termination and pursuant to terms of the GRAT. | SEC |
| 2026-08-03 | 2026-08-03 | Dixton Grant Michael | Executive Vice President | $3.5M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $87.31 to $90.04, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-05-26 | 2026-05-28 | Jacobson Paul A | Executive Vice President & CFO | $3.2M | S — Open-market sale (scheduled 10b5-1) | SEC |
| 2026-05-29 | 2026-06-02 | Barra Mary T | Chair & CEO | $2.0M | S — Open-market sale (scheduled 10b5-1) | SEC |
| 2025-09-12 | 2025-09-16 | Barra Mary T | Chair & CEO | $1.8M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF2 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $59.90 to $60.00, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
| 2026-06-09 | 2026-06-11 | Barra Mary T | Chair & CEO | $1.7M | S — Open-market sale (scheduled 10b5-1) | SEC |
| 2025-09-24 | 2025-09-26 | Reuss Mark L | President | $1.6M | S — Open-market sale (scheduled 10b5-1)Form 4 footnoteF1 The price in Column 4 is the weighted average selling price of the shares. The shares were sold in multiple transactions at prices from $60.00 to $60.12, inclusive. The Reporting Person undertakes to provide to the SEC, GM and any security holder, upon request, full information regarding the number of shares sold at each price point within the ranges set forth in this footnote. | SEC |
The period balance: money in, money out
In the Form 4 filings submitted between Aug 29, 2025 and Aug 3, 2026 there is not one open-market purchase of General Motors Company: 32 sales worth $286.7M and zero dollars bought.
Only codes P and S count, where an insider puts in or takes out their own money. A selling balance like General Motors Company's is the norm in the S&P 500, where much of the pay comes as stock. It is not a recommendation to buy or sell: it is what was filed.
Every transaction, code by code
| Code | What it means | Trades | Reported amount |
|---|---|---|---|
| M | Option exercise | 37 | $104.1M |
| S | Open-market sale | 32 | $286.7M |
| F | Tax withholding (shares surrendered for taxes) | 19 | $64.0M |
| A | Grant or award | 5 | $0 |
| Total | Everything filed in the period | 93 | $454.8M |
19 of the 93 rows carry no usable amount on the Form 4: they count as trades and add $0. The code labels come from the SEC index.
Who has traded
Over the 15 months of history, 7 distinct people or entities have filed General Motors Company transactions: none bought on the open market and 6 sold. Counted by CIK, the fixed number the SEC gives each filer, and not by name, which each filer types their own way.
Of the 6 who sold on the open market (32 sales in all), the three biggest sellers account for $274.8M of the $286.7M: 96% of the money in three people.
| Filer | Role | Transactions | Bought (count) | Sold (count) | Last filed |
|---|---|---|---|---|---|
| Barra Mary T | Chair & CEO | 30 | — | $193.3M (13) | 2026-07-29 |
| Reuss Mark L | President | 16 | — | $72.2M (5) | 2026-07-29 |
| Harvey Rory | Executive Vice President | 15 | — | $9.3M (6) | 2026-07-29 |
| Hatto Christopher | Vice President & CAO | 16 | — | $5.2M (6) | 2026-07-29 |
| Dixton Grant Michael | Executive Vice President | 5 | — | $3.5M (1) | 2026-08-03 |
| Jacobson Paul A | Executive Vice President & CFO | 7 | — | $3.2M (1) | 2026-05-28 |
| Anderson Sterling | Exective Vice President | 4 | — | — | 2026-07-31 |
The name links to all their trades, in any company. "Transactions" counts any code; the money, open market only. Role: from their latest filing.
Month by month
By the month the trade was executed, not the month it was filed; months with no trades show zero. The busiest month was May 2026: 0 purchases and 9 sales, worth $50.8M. 6 of the 15 months have none.
| Month | Purchases | Amount | Sales | Amount |
|---|---|---|---|---|
| Aug 2025 | 0 | $0 | 3 | $58.8M |
| Sep 2025 | 0 | $0 | 8 | $60.3M |
| Oct 2025 | 0 | $0 | 2 | $18.4M |
| Nov 2025 | 0 | $0 | 1 | $556k |
| Dec 2025 | 0 | $0 | 0 | $0 |
| Jan 2026 | 0 | $0 | 0 | $0 |
| Feb 2026 | 0 | $0 | 1 | $38.7M |
| Mar 2026 | 0 | $0 | 0 | $0 |
| Apr 2026 | 0 | $0 | 0 | $0 |
| May 2026 | 0 | $0 | 9 | $50.8M |
| Jun 2026 | 0 | $0 | 2 | $10.2M |
| Jul 2026 | 0 | $0 | 5 | $45.5M |
| Aug 2026 | 0 | $0 | 1 | $3.5M |
| Sep 2026 | 0 | $0 | 0 | $0 |
| Oct 2026 | 0 | $0 | 0 | $0 |
The last month may be partial: a Form 4 is filed up to two business days later. The table does not say whether the pattern is good or bad; it says when it happened.
General Motors Company (GM) analysis page →
Other Consumer Cyclical companies with insider trades
All 500 are listed in the section index →
Which insiders are buying their own company stock →
How to read this data
20 of the 20 sales in the table are flagged as scheduled (10b5-1 plan): signed months ahead and executed automatically, so they say nothing about what the insider thinks today. General Motors has no open-market purchase (code P) in the history, the most common case in the S&P 500: insiders are already paid in stock. The latest filing is from Aug 3, 2026, and a Form 4 arrives up to two business days after the trade.
17 of the 20 rows in the table carry footnotes from the Form 4 itself, folded into the code column and copied verbatim; a row with no footnote means the filing has none.
Guide: Insider buying · all guides
What is behind these trades
The concepts on this page, explained from scratch in the Academy. Free, no account.
- What the efficiency hypothesis says and what it does NOT sayIf an insider's purchase is public and anyone can read it, is there any information left in it? That is the exact question that brings people here.
- Who really moves the market: the types of investorWho sits on the other side of each order, and where a company's own insiders fit among them.
- Supply, demand and price: why it rises and falls constantlyHow a piece of news ends up inside the price, and why the reaction to a filed sale is rarely the one you would expect.
Source: SEC EDGAR Form 4. This is a list of public facts, not financial advice or a recommendation to buy or sell.