Kenneth P. Gianella - 12 Jun 2026 Form 4 Insider Report for Ouster, Inc. (OUST)

Reporting relationship: Chief Financial Officer
Issuer ticker: OUST
Reported as of: 12 Jun 2026
Net transaction value: -$2,109,525
SEC form: 4
Accepted by SEC: 16 Jun 2026, 16:26:48 UTC
Prior SEC filing: 14 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Megan Chung, as Attorney-in-Fact for Kenneth P. Gianella

Key filing fact

Kenneth P. Gianella filed Form 4 for Ouster, Inc. (OUST) on 16 Jun 2026.

Key facts

This page summarizes Kenneth P. Gianella's Form 4 filing for Ouster, Inc. (OUST).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 16 Jun 2026, 16:26.

Change

Previous filing in this sequence was filed on 14 Apr 2026.
Current net transaction value: -$2,109,525.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001677143 Primary reporting owner

Gianella Kenneth P.

Relationship: Chief Financial Officer
Address: 350 TREAT AVENUE, SAN FRANCISCO
Signature: /s/ Megan Chung, as Attorney-in-Fact for Kenneth P. Gianella
Signature date: 16 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

OUST transaction

Common Stock

Sale

Transaction value: $2,109,525
Shares: -54,337
Change %: -15%
Price: $38.82
Shares after: 301,014
Date: 12 Jun 2026
Ownership: Direct
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 2 footnotes

Footnote 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 20, 2025.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.82 to $39.54. 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.