Notice of Proposed Sale · 144/A

Samsara Inc.

IOTNYSEEQUITYCurrent

Notice of Proposed Sale

Filed Jul 2, 2026Accepted Jul 2, 2026, 4:05 PM EDTFiling CIK 1895148Accession 0001950047-26-006805

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Structured filing — 144/A

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Amendment · This filing reports the amendment as submitted.

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

Proposed-sale notice

Issuer: Samsara Inc.
Issuer CIK: 0001642896
SEC file number: 001-41140
Phone: (415) 985-2400
Person for whose account securities are to be sold: Phillips Dominic
Relationships to issuer: Officer
Street: 1 DE HARO STREET
City: SAN FRANCISCO
State / country code: CA
Postal code: 94107

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	35,485	1,150,778.55	372,784,485	07/01/2026	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: 10003

Acquisition of securities to be sold

Acquisition of securities to be sold · 1 reported row
Security	Acquired	Nature of acquisition	Acquired from	Amount acquired	Gift transaction	Payment date	Nature of payment
Common	06/10/2026	Restricted Stock Units	Issuer	35,485	N	06/10/2026	N/A

Sales reported in the preceding three months

Sales reported in the preceding three months · 2 reported rows
Seller	Security	Sale date	Amount sold	Gross proceeds
10b5-1 Sales for DOMINIC PHILLIPS	Common	06/05/2026	19,547	691,764.42
10b5-1 Sales for DOMINIC PHILLIPS	Common	05/01/2026	19,547	586,410.00

Seller — prior-sale row 1, entry 1

Name: 10b5-1 Sales for DOMINIC PHILLIPS
Street: 1 DE HARO STREET
City: SAN FRANCISCO
State / country code: CA
Postal code: 94107

Seller — prior-sale row 2, entry 1

Name: 10b5-1 Sales for DOMINIC PHILLIPS
Street: 1 DE HARO STREET
City: SAN FRANCISCO
State / country code: CA
Postal code: 94107

Prior-sale reporting

Nothing to report for the preceding three months: N

Remarks

The securities to be sold were acquired upon the vesting of restricted stock units during the period of 06/10/2026 through 06/15/2026. The Form 144 filing is amended to update the Number of Shares To Be Sold to 35,485.

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