Notice of Proposed Sale · 144

General Motors Company

GMNYSEEQUITYCurrent

Notice of Proposed Sale

Filed Jul 28, 2026Accepted Jul 28, 2026, 4:20 PM EDTFiling CIK 1492154Accession 0001950047-26-007352

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Structured filing — 144

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Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.

Proposed-sale notice

Issuer: GENERAL MOTORS COMPANY
Issuer CIK: 0001467858
SEC file number: 001-34960
Phone: 3136671500
Person for whose account securities are to be sold: MARY BARRA
Relationships to issuer: Director · Officer
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Securities proposed for sale

Securities proposed for sale · 1 reported row
Security	Proposed units	Aggregate market value	Units outstanding	Approximate sale date	Exchange	Broker / market maker
Common	318,448	27,717,713.92	877,451,541	07/28/2026	NYSE	Morgan Stanley Smith Barney LLC Executive Financial Services

Broker / market maker — proposed row 1, entry 1

Name: Morgan Stanley Smith Barney LLC Executive Financial Services
Street: 1 New York Plaza
Street (continued): 8th Floor
City: New York
State / country code: NY
Postal code: 10004

Acquisition of securities to be sold

Acquisition of securities to be sold · 2 reported rows
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	07/28/2026	Exercise of Stock Options	Issuer	210,066	N	07/28/2026	Cash
Common	02/14/2020	Performance Stock Units	Issuer	108,382	N	02/14/2020	N/A

Sales reported in the preceding three months

Sales reported in the preceding three months · 7 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
10b5-1 Sales for MARY BARRA	Common	07/27/2026	104,361	8,903,023.75
10b5-1 Sales for MARY BARRA	Common	06/16/2026	99,239	8,445,496.92
10b5-1 Sales for MARY BARRA	Common	06/09/2026	20,582	1,749,470.00
10b5-1 Sales for MARY BARRA	Common	05/29/2026	23,000	1,955,000.00
10b5-1 Sales for MARY BARRA	Common	05/28/2026	134,954	11,475,341.05
10b5-1 Sales for MARY BARRA	Common	05/27/2026	103,057	8,483,425.51
10b5-1 Sales for MARY BARRA	Common	05/26/2026	215,391	17,233,649.30

Seller — prior-sale row 1, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 2, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 3, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 4, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 5, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 6, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Seller — prior-sale row 7, entry 1

Name: 10b5-1 Sales for MARY BARRA
Street: 1240 Woodward Avenue
City: Detroit
State / country code: MI
Postal code: 48265

Prior-sale reporting

Nothing to report for the preceding three months: N

Notice signature

Notice date: 07/28/2026
Signed: /s/ Mary Barra
Plan adoption dates: 02/19/2026

Company context

Current securities

GMNYSE · EQUITY · Current

Historical securities (3)

GM.WS.ANYSE · WARRANT · Historical · closed Jul 5, 2016 GM.WS.BNYSE · WARRANT · Historical · closed Jul 8, 2019 GM.WS.CNYSE · WARRANT · Historical · closed Dec 28, 2015

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