Company · Ownership research

Ouster, Inc. OUST

CIK 0001816581

Form 4 transactions dated Nov 1, 2023 to Nov 10, 2026, as reported to the SEC.

Insider trading Initial holdings Institutional holders

This page lists 30 of 46 rows; the complete set is available through the API.

Insider filings on file run through Oct 7, 2026.

Insider purchases & sales

Purchased: $1.48M
Sold: $53.27M

Nov 1, 2023 – Oct 7, 2026
Available records · partial months are marked ·

202610 of 30 preview events · 46 available in 2026

Date	Insider	Activity	Trade value (USD)	% of prior holding
Sep 14, 2026	Chung Megan General Counsel and Secretary	Sale10b5-1 footnote	$389.99K 11,484 shares sold	5.72% sold Direct holding	▾
Sep 14, 2026	SPENCER DARIEN Chief Operating Officer	Sale10b5-1 footnote	$434.95K 12,808 shares sold	4.27% sold Direct holding	▾
Sep 14, 2026	Pacala Charles Angus President and CEO · Director	Sale10b5-1 footnote	$1.03M 30,385 shares sold	2.83% sold Direct holding	▾
Sep 14, 2026	Jacquemet Cyrille Chief Revenue Officer	Sale	$302.09K 8,896 shares sold	7.77% sold Direct holding	▾
Sep 14, 2026	Gianella Kenneth P. Chief Financial Officer	Sale10b5-1 footnote	$532.68K 15,686 shares sold	6.01% sold Direct holding	▾
Sep 14, 2026	Frichtl Mark Chief Technology Officer	Sale10b5-1 footnote	$637.69K 18,778 shares sold	5.56% sold Direct holding	▾
Aug 18, 2026	Gianella Kenneth P. Chief Financial Officer	Sale10b5-1 footnote	$1.81M 40,000 shares sold	13.29% sold Direct holding	▾
Aug 6, 2026	SKAGGS STEPHEN A Director	Sale10b5-1 footnote	$163.28K 3,614 shares sold	5.56% sold Direct holding	▾
Aug 5, 2026	SKAGGS STEPHEN A Director	Sale10b5-1 footnote	$64.42K 1,386 shares sold	2.09% sold Direct holding	▾
Aug 4, 2026	SPENCER DARIEN Chief Operating Officer	Sale10b5-1 footnote	$1.35M 30,000 shares sold	9.10% sold Direct holding	▾

Showing 30 / 46 record groups in 2026. The complete set is available through the API.

Ouster, Inc. · OUST

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The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. For the year shown, this page lists 30 of 46 purchase / sale groups and 30 of 46 other groups; the totals and the monthly series cover the whole window.

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{"action":"list","ticker":"OUST","transaction_code":["P","S"],"transaction_form_type":"4","page_size":20}

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.

Non-cancelled, non-derivative purchase (P) and sale (S) rows dated inside the public window, as reported. Share totals are on today's split-adjusted basis. Includes open-market and private transactions. Data after the latest filing is not asserted complete and is not zero-filled. A grouped event shares filing, transaction date, security, code, direction, ownership bucket and source. Derivative groups also match underlying security, exercise price, exercise/expiration dates and footnote references. Reported rows are retained; P/S price lots can be grouped. Post-transaction balances are never summed.