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BCS

Changes in Beneficial Ownership · 4

Ouster, Inc.

OUSTNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Sep 16, 2026Accepted Sep 16, 2026, 7:08 PM EDTFiling CIK 1816581Accession 0001193125-26-393395
Share

Structured filing — 4

ownership.xml

Open full document ↗

Filing details

Report period
2026-09-14
Issuer
Ouster, Inc.
Issuer CIK
0001816581
Trading symbol
OUST
Rule 10b5-1 indication
Checked

Reporting owner 1

Name
SPENCER DARIEN
Reporting owner CIK
0001226378
Relationship
Officer
Officer title
Chief Operating Officer
Address
350 TREAT AVENUE, SAN FRANCISCO, CA, 94110

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock2026-09-14S · Form 412,808[F1]D33.9595[F2]286,998.5D
Table key
S · Form 4
Sale on the market or privately
D
Direct

Footnotes

F1
Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated August 19, 2025.↩ 1
F2
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.688 to $33.9661. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.↩ 1

Remarks

Exhibit List - Exhibit 24 - Power of Attorney

Signature 1

Signed
/s/ Kenneth Gianella, as Attorney-in-Fact for Darien Spencer
Date
2026-09-16

Filed exhibits

Company context

Ouster (Nasdaq: OUST) is a leader in sensing and perception for Physical AI across industrial, robotics, automotive, and smart infrastructure. With a unified platform of high-performance digital lidar, cameras, AI compute, sensor fusion and perception software, and AI models, Ouster delivers solutions that improve quality of life in the physical world. Headquartered in San Francisco, CA, Ouster has a global presence serving thousands of customers with offices in the Americas, Europe, and Asia-Pacific. For more information about our products, visit www.ouster.com, contact our sales team, or connect with us on X or LinkedIn.

Current securities

Historical securities (8)

Recent company filings

  1. 4 filingOct 7, 2026
  2. 4 filingSep 16, 2026
  3. 144 filingSep 11, 2026
  4. 144 filingSep 11, 2026
  5. 144 filingSep 11, 2026

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