Companies: 10,795·Total market cap: $144.5T
Ouster, Inc.

Ouster, Inc.

OUSTNASDAQTechnology● Active
$40.88
+$1.20(+3.02%)
Market Cap$2.6B
P/E Ratio
52W High$49.39
52W Low$13.45

Ouster, Inc. (OUST) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · OUST · as of Jun 8, 2026

Activity summary

Buy transactions

3

P-Purchase only

Sell transactions

54

12 Months

Buy/Sell ratio

0.06

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 5%Active transactions only · RSU vesting excluded95% Sell ↓

Ouster, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

OUST insider buying and selling by quarter

OUST insider selling · OUST insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
1.3M638K0
2025 Q3
2025 Q4
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · OUST ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

OUST executive sell shares · OUST board member insider trading · OUST insider trading SEC filing

Showing 83 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Jacquemet Cyrille

Chief Revenue Officer

Sale

Date

May 26

Shares

9,433

Price

$40.00

Value

$377K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Option

Date

May 22

Shares

50,063

Price

$14.22

Value

$712K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 22

Shares

35,684

Price

$36.39

Value

$1.30M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 22

Shares

40,000

Price

$37.16

Value

$1.49M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

19,669

Price

$39.16

Value

$770K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

76,582

Price

$39.94

Value

$3.06M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

70,558

Price

$40.90

Value

$2.89M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

48,191

Price

$41.99

Value

$2.02M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

45,000

Price

$43.00

Value

$1.94M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

45,000

Price

$44.00

Value

$1.98M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 26

Shares

3,742

Price

$45.00

Value

$168K

View Form 4 on SEC.gov

SPENCER DARIEN

COO

Sale

Date

May 26

Shares

30,000.5

Price

$45.00

Value

$1.35M ⚡

View Form 4 on SEC.gov

Heystee Susan

Director

Sale

Date

May 21

Shares

9,316

Price

$34.80

Value

$324K

View Form 4 on SEC.gov

Jacquemet Cyrille

Chief Revenue Officer

Sale

Date

May 14

Shares

10,000

Price

$35.00

Value

$350K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Option

Date

May 13

Shares

31,434

Price

$2.13

Value

$67K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Option

Date

May 13

Shares

21,341

Price

$14.22

Value

$303K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

31,434

Price

$31.09

Value

$977K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

21,341

Price

$34.00

Value

$726K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

35,000

Price

$32.00

Value

$1.12M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

2,500

Price

$33.00

Value

$83K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Option

Date

May 14

Shares

40,000

Price

$14.22

Value

$569K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

32,500

Price

$33.00

Value

$1.07M ⚡

View Form 4 on SEC.gov

Frichtl Mark

CTO

Option

Date

May 15

Shares

4,316

Price

$14.22

Value

$61K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 15

Shares

4,316

Price

$36.00

Value

$155K

View Form 4 on SEC.gov

Frichtl Mark

CTO

Sale

Date

May 13

Shares

13,659

Price

$34.00

Value

$464K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About OUST insider trading

OUST insider trades

Ouster, Inc. (OUST) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Frichtl Mark (CTO), Heystee Susan (Director), Chung Megan (General Counsel and Secretary). Over the past 12 months, 5 insiders have filed transactions with the SEC. OUST insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Ouster, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

OUST insider trading · 5 questions

The insiders of Ouster, Inc. (OUST) include executives and directors such as Frichtl Mark (CTO), Heystee Susan (Director), Chung Megan (General Counsel and Secretary), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

OUST board member insider tradingwho are OUST insidersOUST insider rosterOuster, Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026