What SEC filings does Ouster, Inc. submit to the SEC?

Ouster, Inc. (OUST) submits several types of SEC filings including Form 4 (insider transactions), Form 144 (proposed insider sales), 8-K reports (material events such as earnings releases, acquisitions, leadership changes), and periodic reports — the 10-Q (quarterly) and 10-K (annual). All filings are publicly available through SEC EDGAR.

What does a Form 4 filing tell me about OUST?

A Form 4 for OUST discloses a transaction by a company insider — typically a director, officer, or 10%+ shareholder. It shows the source-reported date, number of shares, price, and updated ownership. These facts do not establish motive or predict future returns.

How do I interpret an 8-K filing from Ouster, Inc.?

An 8-K signals a material event requiring prompt disclosure. Common triggers include earnings pre-announcements, acquisitions, leadership appointments or departures, credit changes, or regulatory actions. Read the item codes inside the filing to understand exactly what was disclosed before drawing conclusions.

What is the difference between a 10-K and 10-Q for OUST?

The 10-K is Ouster, Inc.'s annual report with fully audited financial statements, comprehensive MD&A, and complete risk factor disclosures — filed 60–90 days after fiscal year-end. The 10-Q is a lighter quarterly report with unaudited financials filed for the first three quarters. Together they provide a continuous financial picture of the company.

Where can I see all OUST SEC filings directly on EDGAR?

You can view all historical Ouster, Inc. filings on the SEC EDGAR company page for OUST. Each filing card on this page links directly to the original SEC document.

How often does Ouster, Inc. file with the SEC?

Ouster, Inc. files one 10-K per year and up to three 10-Qs per year. Form 4 insider transactions must be reported within two business days of each trade, so the frequency depends on how often insiders are buying or selling OUST shares. 8-K filings occur whenever a material event happens — which can be several times per quarter for an active company.

OUST SEC Filing News — Ouster, Inc.

Latest SEC filings for Ouster, Inc. (OUST) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2026-10-07.

Ouster, Inc. engages in the production and sale of lidar sensor kits for the automotive, industrial, robotics, and smart infrastructure industries in the Americas, the Asia-Pacific, Europe, the Middle East, and Africa. The company offers the Outer Sensor (OS) product line, including OSDome that provides a hemispheric field of view; OS0 for wide view; OS1, for mid-range view; and OS2 for long-range view. It also provides the DF series, a suite of short, mid, and long-range solid-state digital lid…

Sector: Technology Industry: Electronic Components Market Cap: $2.1B

Total Filings

Bullish Classifications

Bearish Classifications

Insider Transactions

Material Events (8-K)

Periodic Reports

Rule-based classifications for OUST currently lean bearish. Of the 20 filing records displayed, 8 carry bearish classifications (such as insider sales or negative 8-K disclosures) versus 0 bullish. This does not necessarily signal fundamental deterioration — insiders sell for many reasons — but it is worth monitoring alongside the company's core financial metrics.

OUST Filing Activity Snapshot 2026-08-06 — 2026-10-07

Insider Transactions (Form 4)

0 buys vs 8 sells

Net insider selling in this period — insiders sell for many reasons beyond conviction.

Largest Form 144 Filing

$1.81M

KENNETH GIANELLA · 2026-08-18

40,000 shares · Form 144

Form 144 Notices

Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.

Insider Transactions 12 · Forms 3, 4 and 5

A Form 4 is filed within two business days of a company insider — an officer, a director, or a holder of more than ten percent of the stock — changing their position in the shares. All 12 filings in this group are Form 4s for Ouster, Inc.

The difficulty with reading these filings as a group is that a single form type covers transactions that mean entirely different things. An executive spending their own money to buy stock and an executive having shares withheld to pay tax on a vesting grant both appear as a Form 4. Every filing below is therefore tagged with the nature of the underlying transaction, taken from the transaction code reported on the form itself.

Across the 12 insider filings shown, the breakdown is 8 open-market sale, 2 gift, 1 compensation award and 1 option exercise. 8 of them involved a discretionary open-market trade; the rest are compensation and administrative mechanics.

What each transaction type means

Open-market sale ×8: The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.
Gift ×2: Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.
Compensation award ×1: Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.
Option exercise ×1: The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Form 4 Compensation award Tax / Compensation Filing 2026-10-07

OUST insider Form 4 filed for equity award, exercise, or tax withholding

Heystee Susan (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were granted as compensation rather than purchased. No cash changed hands, so the filing reflects a pay decision by the company, not a judgement about the price.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`A`	Compensation award	779	$44.12	$34.4K

Filing: Form 4 (Insider Transaction) Insider: Heystee Susan (Director) Shares: 779

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider Chung Megan (General Counsel and Secretary) sold 11,484 shares (~$390.0K)

Chung Megan, listed as General Counsel and Secretary at Ouster, Inc., reported an open-market sale of 11,484 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	11,484	$33.96	$390.0K

Filing: Form 4 (Insider Transaction) Insider: Chung Megan (General Counsel and Secretary) Shares: 11,484 Est. Value: $390.0K

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider SPENCER DARIEN (Chief Operating Officer) sold 12,808 shares (~$435.0K)

SPENCER DARIEN, listed as Chief Operating Officer at Ouster, Inc., reported an open-market sale of 12,808 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	12,808	$33.96	$435.0K

Filing: Form 4 (Insider Transaction) Insider: SPENCER DARIEN (Chief Operating Officer) Shares: 12,808 Est. Value: $435.0K

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider Pacala Charles Angus (Director, President and CEO) sold 30,385 shares (~$1.03M)

Pacala Charles Angus, listed as Director, President and CEO at Ouster, Inc., reported an open-market sale of 30,385 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	30,385	$33.96	$1.03M

Filing: Form 4 (Insider Transaction) Insider: Pacala Charles Angus (Director, President and CEO) Shares: 30,385 Est. Value: $1.03M

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider Jacquemet Cyrille (Chief Revenue Officer) sold 8,896 shares (~$302.1K)

Jacquemet Cyrille, listed as Chief Revenue Officer at Ouster, Inc., reported an open-market sale of 8,896 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	8,896	$33.96	$302.1K

Filing: Form 4 (Insider Transaction) Insider: Jacquemet Cyrille (Chief Revenue Officer) Shares: 8,896 Est. Value: $302.1K

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider Gianella Kenneth P. (Chief Financial Officer) sold 15,686 shares (~$532.7K)

Gianella Kenneth P., listed as Chief Financial Officer at Ouster, Inc., reported an open-market sale of 15,686 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	15,686	$33.96	$532.7K

Filing: Form 4 (Insider Transaction) Insider: Gianella Kenneth P. (Chief Financial Officer) Shares: 15,686 Est. Value: $532.7K

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-09-16

OUST insider Frichtl Mark (Chief Technology Officer) sold 18,778 shares (~$637.7K)

Frichtl Mark, listed as Chief Technology Officer at Ouster, Inc., reported an open-market sale of 18,778 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	18,778	$33.96	$637.7K

Filing: Form 4 (Insider Transaction) Insider: Frichtl Mark (Chief Technology Officer) Shares: 18,778 Est. Value: $637.7K

View on SEC EDGAR → Open Filing Document →

Form 4 Gift Tax / Compensation Filing 2026-09-10

OUST insider Form 4 filed for equity award, exercise, or tax withholding

Chung Megan (General Counsel and Secretary) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`G`	Gift	2,084	—	—

Filing: Form 4 (Insider Transaction) Insider: Chung Megan (General Counsel and Secretary) Shares: 2,084

View on SEC EDGAR → Open Filing Document →

Form 4 Gift Tax / Compensation Filing 2026-09-04

OUST insider Form 4 filed for equity award, exercise, or tax withholding

Frichtl Mark (Chief Technology Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Shares were transferred as a gift, typically for estate or charitable planning. No sale into the market took place.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`G`	Gift	38,745	—	—

Filing: Form 4 (Insider Transaction) Insider: Frichtl Mark (Chief Technology Officer) Shares: 38,745

View on SEC EDGAR → Open Filing Document →

Form 4 Option exercise Tax / Compensation Filing 2026-08-28

OUST insider Form 4 filed for equity award, exercise, or tax withholding

The insider converted options into shares. The exercise price was fixed when the options were granted, so the timing usually tracks an expiry schedule.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`M`	Option exercise	100,000	$14.22	$1.42M
`M`	Option exercise derivative · Incentive Stock Option	100,000	—	—

Filing: Form 4 (Insider Transaction) Insider: Frichtl Mark (Chief Technology Officer) Shares: 100,000

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-08-19

OUST insider Gianella Kenneth P. (Chief Financial Officer) sold 40,000 shares (~$1.81M)

Gianella Kenneth P., listed as Chief Financial Officer at Ouster, Inc., reported an open-market sale of 40,000 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	17,927	$44.65	$800.4K
`S`	Open-market sale	13,364	$45.52	$608.4K
`S`	Open-market sale	8,201	$46.40	$380.6K
`S`	Open-market sale	508	$47.09	$23.9K

Filing: Form 4 (Insider Transaction) Insider: Gianella Kenneth P. (Chief Financial Officer) Shares: 40,000 Est. Value: $1.81M

View on SEC EDGAR → Open Filing Document →

Form 4 Open-market sale Insider Selling 2026-08-07

OUST insider SKAGGS STEPHEN A (Director) sold 5,000 shares (~$227.7K)

SKAGGS STEPHEN A, listed as Director at Ouster, Inc., reported an open-market sale of 5,000 OUST shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.

The insider sold shares on the open market. Sales may be discretionary or executed automatically under a pre-arranged Rule 10b5-1 trading plan, and a Form 4 does not always make clear which applies.

Transactions reported on this filing
Code	Nature	Shares	Price	Value
`S`	Open-market sale	1,386	$46.48	$64.4K
`S`	Open-market sale	3,614	$45.18	$163.3K

Filing: Form 4 (Insider Transaction) Insider: SKAGGS STEPHEN A (Director) Shares: 5,000 Est. Value: $227.7K

View on SEC EDGAR → Open Filing Document →

Proposed Insider Sales 7 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Ouster, Inc. has 7 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by Frichtl Mark (20,353 shares) ~$763.0K

Frichtl Mark filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Frichtl Mark Shares: 20,353 Est. Value: $763.0K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by Chung Megan (12,447 shares) ~$466.6K

Chung Megan filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Chung Megan Shares: 12,447 Est. Value: $466.6K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by SPENCER DARIEN (13,882 shares) ~$520.4K

SPENCER DARIEN filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: SPENCER DARIEN Shares: 13,882 Est. Value: $520.4K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by Jacquemet Cyrille (9,642 shares) ~$361.5K

Jacquemet Cyrille filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Jacquemet Cyrille Shares: 9,642 Est. Value: $361.5K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by Pacala Charles Angus (32,934 shares) ~$1.23M

Pacala Charles Angus filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Pacala Charles Angus Shares: 32,934 Est. Value: $1.23M

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-09-11

OUST Form 144 filed for proposed insider sale by Gianella Kenneth P. (17,002 shares) ~$637.4K

Gianella Kenneth P. filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Gianella Kenneth P. Shares: 17,002 Est. Value: $637.4K

View on SEC EDGAR → Open Filing Document →

Form 144 Proposed Insider Sale 2026-08-18

OUST Form 144 filed for proposed insider sale by KENNETH GIANELLA (40,000 shares) ~$1.81M

KENNETH GIANELLA filed a Form 144 with the SEC indicating intent to sell OUST (Ouster, Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: KENNETH GIANELLA Shares: 40,000 Est. Value: $1.81M

View on SEC EDGAR → Open Filing Document →

Periodic Reports 1 · Forms 10-K and 10-Q

The periodic reports are where the audited and reviewed financial statements live. This period contains 1 quarterly report (10-Q) for Ouster, Inc.

The two are not equivalent in weight. A 10-K is audited by an external firm and includes the full risk factor disclosure, business description and management discussion; a 10-Q is unaudited, reviewed rather than examined, and much shorter. When a figure in a quarterly report is later revised, the annual report is usually where the correction appears.

An amended report — 10-K/A or 10-Q/A — restates or corrects something in the original filing, and is worth reading against the version it replaces.

Form 10-Q Quarterly Report 2026-08-06

OUST filed Quarterly Report (10-Q)

Ouster, Inc. filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.

Filing: 10-Q (Quarterly Report)

View on SEC EDGAR → Open Filing Document →

How we classify Ouster, Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on OUST. Read these alongside the fundamentals rather than in isolation.

Frequently Asked Questions — OUST SEC Filings

More Tools for OUST

OUST Full Stock Analysis OUST Live Chart Institutional Ownership Earnings Calendar Options Flow Scanner Semiconductor Demand Zone Tracker Sector Scanner Browse All Stocks

Want deeper OUST analysis?

View valuation, growth metrics, the rule-based stock-page score, demand zones, peer comparison, and more — all on the OUST stock analysis page.

OUST Full Analysis

Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.

Data Sources · Methodology · AI Disclosure · Corrections Policy · Disclaimer