Form 4 for OUST Ouster, Inc.

Accepted 2025-12-10 00:00:00 ET · period of report 2025-12-08 · accession 0001193125-25-314312 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2025-12-10	2025-12-08	OUST	Eyler Phillip	Dir	A - Grant	$0.00	+15.7K	15.7K	New	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2025-12-08	A	A	11,683	$0.00	11,683	D	—	—	(F1) Represents Ouster, Inc. (the "Company") restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. The RSUs vest as to 1/12 of the total number of RSUs on each of the first twelve quarterly anniversaries of the grant date, subject to the Reporting Person's continued service through the applicable vesting date. The RSUs have no expiration date. The Reporting Person will settle all awards of common stock received, including vested RSUs, upon the earlier of a change in control or separation from service with the Company.
2	Common	Common Stock	2025-12-08	A	A	3,975	$0.00	15,658	D	—	—	(F2) Represents Company RSUs. Each RSU represents a contingent right to receive one share of the Company's common stock. The RSUs vest in quarterly installments through the earlier of June 18, 2026 or the Company's next annual meeting of stockholders, subject to the Reporting Person's continued service through the applicable vesting date. The RSUs have no expiration date. The Reporting Person will settle all awards of common stock received, including vested RSUs, upon the earlier of a change in control or separation from service with the Company.