Ouster (OUST) Insider Trading & Ownership

$39.38 -0.87 (-2.16%)

As of 11:20 AM Eastern

Current Insider Ownership Percentage: 5.72%
Number Of Insiders Buying (Last 12 Months): 1
Amount Of Insider Buying (Last 12 Months): $136.18K
Number Of Insiders Selling (Last 12 Months): 9
Amount Of Insider Selling (Last 12 Months): $42.02M

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OUST Insider Buying and Selling by Quarter

Ouster Insider and Congressional Trades History

Transaction Type

Time Frame

Start Date

End Date

Export

Transaction Date	Insider	Buy/Sell	Number of Shares	Average Share Price	Total Transaction
9/14/2026	Charles Angus Pacala CEO	Sell	30,385	$33.96	$1,031,874.60
9/14/2026	Cyrille Jacquemet CRO	Sell	8,896	$33.96	$302,108.16
9/14/2026	Darien Spencer COO	Sell	12,808	$33.96	$434,959.68
9/14/2026	Kenneth P Gianella CFO	Sell	15,686	$33.96	$532,696.56
9/14/2026	Mark Frichtl CTO	Sell	18,778	$33.96	$637,700.88
9/14/2026	Megan Chung General Counsel	Sell	11,484	$33.96	$389,996.64
8/18/2026	Kenneth P Gianella CFO	Sell	40,000	$45.33	$1,813,200.00
8/6/2026	Stephen A Skaggs Director	Sell	3,614	$45.18	$163,280.52
8/5/2026	Stephen A Skaggs Director	Sell	1,386	$46.48	$64,421.28
8/4/2026	Darien Spencer COO	Sell	30,000	$45.00	$1,350,000.00
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6/22/2026	Ted L Tewksbury III Director	Sell	1,695	$47.00	$79,665.00
6/12/2026	Charles Angus Pacala CEO	Sell	29,797	$38.82	$1,156,719.54
6/12/2026	Kenneth P Gianella CFO	Sell	54,337	$38.82	$2,109,362.34
5/26/2026	Cyrille Jacquemet CRO	Sell	9,433	$40.00	$377,320.00
5/26/2026	Darien Spencer COO	Sell	30,000	$45.00	$1,350,000.00
5/26/2026	Mark Frichtl CTO	Sell	308,742	$41.53	$12,822,055.26
5/22/2026	Mark Frichtl CTO	Sell	75,684	$36.80	$2,785,171.20
5/21/2026	Susan Heystee Director	Sell	9,316	$34.80	$324,196.80
5/15/2026	Mark Frichtl CTO	Sell	4,316	$36.00	$155,376.00
5/14/2026	Cyrille Jacquemet CRO	Sell	10,000	$35.00	$350,000.00
5/14/2026	Mark Frichtl CTO	Sell	40,000	$35.00	$1,400,000.00
5/13/2026	Mark Frichtl CTO	Sell	136,434	$32.56	$4,442,291.04
5/5/2026	Mark Frichtl CTO	Sell	13,451	$30.00	$403,530.00
5/5/2026	Stephen A Skaggs Director	Sell	5,000	$30.00	$150,000.00
5/4/2026	Mark Frichtl CTO	Sell	21,149	$30.13	$637,219.37
4/22/2026	Mark Frichtl CTO	Sell	400	$30.00	$12,000.00
4/21/2026	Stephen A Skaggs Director	Sell	5,000	$28.00	$140,000.00
4/20/2026	Mark Frichtl CTO	Sell	60,000	$26.58	$1,594,800.00
4/17/2026	Mark Frichtl CTO	Sell	30,000	$25.15	$754,500.00
4/16/2026	Megan Chung General Counsel	Sell	5,837	$24.70	$144,173.90
4/15/2026	Mark Frichtl CTO	Sell	20,000	$24.00	$480,000.00
4/14/2026	Mark Frichtl CTO	Sell	40,000	$22.76	$910,400.00
3/25/2026	Mark Frichtl CTO	Sell	40,000	$20.94	$837,600.00
3/19/2026	Ted L Tewksbury III Director	Sell	1,695	$20.00	$33,900.00
3/12/2026	Charles Angus Pacala CEO	Sell	24,657	$23.43	$577,713.51
3/12/2026	Darien Spencer COO	Sell	10,938	$23.43	$256,277.34
3/12/2026	Mark Frichtl CTO	Sell	15,689	$23.43	$367,593.27
3/12/2026	Megan Chung General Counsel	Sell	9,593	$23.43	$224,763.99
3/6/2026	Virginia Boulet Director	Buy	6,500	$20.95	$136,175.00
1/16/2026	Megan Chung General Counsel	Sell	5,837	$27.24	$158,999.88
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12/19/2025	Ted L Tewksbury III Director	Sell	1,695	$21.47	$36,391.65
11/11/2025	Ted L Tewksbury III Director	Sell	1,695	$25.38	$43,019.10
10/17/2025	Megan Chung General Counsel	Sell	5,837	$31.02	$181,063.74

(Data available from 1/1/2013 forward)

OUST Insider Trading Activity - Frequently Asked Questions

The list of insiders at Ouster includes Charles Angus Pacala, Chen Geng, Cyrille Jacquemet, Darien Spencer, Ernest E Maddock, Kenneth P Gianella, Mark Frichtl, Mark Weinswig, Megan Chung, Stephen A Skaggs, Susan Heystee, Ted L Tewksbury III, and Virginia Boulet. Learn more on insiders at OUST.

5.72% of Ouster stock is owned by insiders. Learn more on OUST's insider holdings.

The following insiders have purchased OUST shares in the last 24 months: Charles Angus Pacala ($498,839.66), Mark Frichtl ($49,340.10), and Virginia Boulet ($136,175.00).

Insiders have purchased a total of 62,499 OUST shares in the last 24 months for a total of $684,354.76 bought.

The following insiders have sold OUST shares in the last 24 months: Charles Angus Pacala ($3,847,559.97), Chen Geng ($23,271.50), Cyrille Jacquemet ($1,029,428.16), Darien Spencer ($4,059,644.49), Kenneth P Gianella ($4,455,258.90), Mark Frichtl ($28,961,100.36), Mark Weinswig ($469,815.72), Megan Chung ($1,785,690.32), Stephen A Skaggs ($517,701.80), Susan Heystee ($324,196.80), and Ted L Tewksbury III ($192,975.75).

Insiders have sold a total of 1,389,556 Ouster shares in the last 24 months for a total of $45,666,643.77 sold.

Ouster Active Insiders

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Insider trading data for NASDAQ:OUST was last updated on 9/14/2026, the date of the most recent reported insider or congressional trade. New trades are added as they're reported.

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Ouster (OUST) Insider Trading & Ownership

OUST Insider Buying and Selling by Quarter

Ouster Insider and Congressional Trades History

OUST Insider Trading Activity - Frequently Asked Questions

Ouster Active Insiders

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Ouster (OUST) Insider Trading & Ownership

Ouster (NASDAQ:OUST) Insider Buying and Selling Activity

OUST Insider Buying and Selling by Quarter

Ouster Insider and Congressional Trades History

OUST Insider Trading Activity - Frequently Asked Questions

Who is on Ouster's Insider Roster?

What percentage of Ouster stock is owned by insiders?

Which Ouster insiders have been buying company stock?

How much insider buying is happening at Ouster?

Which Ouster insiders have been selling company stock?

How much insider selling is happening at Ouster?

Ouster Active Insiders

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