InsiderFlow

OUST

Ouster, Inc.$40.02+0.38 (+0.96%)
Prev Close$39.61·MCap$2.44B·P/E·Vol4.21M·Yield

Buys (12M)

2

$178.0K

Sells (12M)

33

$35.78M

Net Activity

Net Seller

$35.60M

Active Insiders

9

last 12 mo

Over the past 12 months, insider activity at Ouster, Inc. (OUST) has been dominated by selling, with 2 insider purchases totaling $178.0K and 33 insider sales totaling $35.78M. The most recent insider transaction was by SPENCER DARIEN (officer: Chief Operating Officer), who sold $1.35M worth of shares on May 27, 2026. Ouster, Inc. operates in the Technology sector, within the Hardware, Equipment & Parts industry, with a market cap of $2.44B.

OUST Insider Trading Activity

DateInsiderTypeValue
May 27, 2026 SPENCER DARIENSell$1.35M
May 27, 2026 Jacquemet CyrilleSell$377.3K
May 27, 2026 Frichtl MarkSell$13.67M0.5% OS
May 22, 2026 Heystee SusanSell$324.2K
May 21, 2026 Jacquemet CyrilleSell$350.0K
May 15, 2026 Frichtl MarkSell$6.00M
May 12, 2026 Boulet VirginiaBuy$41.8K
May 7, 2026 SKAGGS STEPHEN ASell$150.0K
May 6, 2026 Frichtl MarkSell$1.04M
Apr 23, 2026 Frichtl MarkSell$12.0K
Apr 22, 2026 SKAGGS STEPHEN ASell$140.0K
Apr 21, 2026 Frichtl MarkSell$1.68M
Apr 17, 2026 Chung MeganSell$144.2K
Apr 17, 2026 Frichtl MarkSell$754.4K
Apr 15, 2026 Frichtl MarkSell$1.39M
Mar 27, 2026 Frichtl MarkSell$837.6K
Mar 23, 2026 Tewksbury Ted L IIISell$33.9K
Mar 16, 2026 Chung MeganSell$224.8K
Mar 16, 2026 Frichtl MarkSell$367.6K
Mar 16, 2026 Pacala Charles AngusSell$577.6K
Mar 16, 2026 SPENCER DARIENSell$256.3K
Mar 9, 2026 Boulet VirginiaBuy$136.2K
Jan 16, 2026 Chung MeganSell$159.0K
Dec 19, 2025 Tewksbury Ted L IIISell$36.4K
Dec 12, 2025 Chung MeganSell$267.2K
Dec 12, 2025 Frichtl MarkSell$391.2K
Dec 12, 2025 Heystee SusanSell$291.6K
Dec 12, 2025 Pacala Charles AngusSell$614.7K
Dec 12, 2025 SPENCER DARIENSell$272.7K
Nov 11, 2025 Tewksbury Ted L IIISell$43.0K
Sep 12, 2025 Chung MeganSell$489.0K
Sep 12, 2025 Frichtl MarkSell$720.8K
Sep 12, 2025 Pacala Charles AngusSell$1.08M
Sep 12, 2025 SPENCER DARIENSell$520.0K
Aug 13, 2025 Heystee SusanSell$1.21M
Jun 12, 2025 Chung MeganSell$53.1K
Jun 12, 2025 SPENCER DARIENSell$60.5K
May 13, 2025 Heystee SusanSell$504.1K
Mar 26, 2025 Chung MeganSell$65.2K
Mar 17, 2025 SPENCER DARIENSell$2.0K
Mar 12, 2025 Chung MeganSell$23.5K
Mar 12, 2025 Geng ChenSell$23.3K
Mar 12, 2025 SPENCER DARIENSell$34.2K
Dec 16, 2021 Kantheti KrishnaSell$610.5K
Dec 8, 2021 Kantheti KrishnaSell$541.2K
Dec 3, 2021 Kantheti KrishnaSell$1.51M

OUST Insider Buying Activity

The following table shows recent insider purchases of Ouster, Inc. (OUST) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
May 12, 2026 Boulet VirginiaBuy$41.8K
Mar 9, 2026 Boulet VirginiaBuy$136.2K

OUST Insider Selling Activity

The following table shows recent insider sales of Ouster, Inc. (OUST) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
May 27, 2026 SPENCER DARIENSell$1.35M
May 27, 2026 Jacquemet CyrilleSell$377.3K
May 27, 2026 Frichtl MarkSell$13.67M0.5% OS
May 22, 2026 Heystee SusanSell$324.2K
May 21, 2026 Jacquemet CyrilleSell$350.0K
May 15, 2026 Frichtl MarkSell$6.00M
May 7, 2026 SKAGGS STEPHEN ASell$150.0K
May 6, 2026 Frichtl MarkSell$1.04M
Apr 23, 2026 Frichtl MarkSell$12.0K
Apr 22, 2026 SKAGGS STEPHEN ASell$140.0K
Apr 21, 2026 Frichtl MarkSell$1.68M
Apr 17, 2026 Chung MeganSell$144.2K
Apr 17, 2026 Frichtl MarkSell$754.4K
Apr 15, 2026 Frichtl MarkSell$1.39M
Mar 27, 2026 Frichtl MarkSell$837.6K
Mar 23, 2026 Tewksbury Ted L IIISell$33.9K
Mar 16, 2026 Chung MeganSell$224.8K
Mar 16, 2026 Frichtl MarkSell$367.6K
Mar 16, 2026 Pacala Charles AngusSell$577.6K
Mar 16, 2026 SPENCER DARIENSell$256.3K
Jan 16, 2026 Chung MeganSell$159.0K
Dec 19, 2025 Tewksbury Ted L IIISell$36.4K
Dec 12, 2025 Chung MeganSell$267.2K
Dec 12, 2025 Frichtl MarkSell$391.2K
Dec 12, 2025 Heystee SusanSell$291.6K
Dec 12, 2025 Pacala Charles AngusSell$614.7K
Dec 12, 2025 SPENCER DARIENSell$272.7K
Nov 11, 2025 Tewksbury Ted L IIISell$43.0K
Sep 12, 2025 Chung MeganSell$489.0K
Sep 12, 2025 Frichtl MarkSell$720.8K
Sep 12, 2025 Pacala Charles AngusSell$1.08M
Sep 12, 2025 SPENCER DARIENSell$520.0K
Aug 13, 2025 Heystee SusanSell$1.21M
Jun 12, 2025 Chung MeganSell$53.1K
Jun 12, 2025 SPENCER DARIENSell$60.5K
May 13, 2025 Heystee SusanSell$504.1K
Mar 26, 2025 Chung MeganSell$65.2K
Mar 17, 2025 SPENCER DARIENSell$2.0K
Mar 12, 2025 Chung MeganSell$23.5K
Mar 12, 2025 Geng ChenSell$23.3K
Mar 12, 2025 SPENCER DARIENSell$34.2K
Dec 16, 2021 Kantheti KrishnaSell$610.5K
Dec 8, 2021 Kantheti KrishnaSell$541.2K
Dec 3, 2021 Kantheti KrishnaSell$1.51M

OUST Insiders

Jacquemet Cyrille

officer: Chief Revenue Officer

Sold $727.3K
2 tradesLast: May 27, 2026
SPENCER DARIEN

officer: Chief Operating Officer

Sold $2.50M
7 tradesLast: May 27, 2026
Frichtl Mark

officer: Chief Technology Officer

Sold $26.87M
11 tradesLast: May 27, 2026
Heystee Susan

Director

Sold $2.33M
4 tradesLast: May 22, 2026
Boulet Virginia

director

Bought $178.0K
2 tradesLast: May 12, 2026
SKAGGS STEPHEN A

director

Sold $290.0K
2 tradesLast: May 7, 2026
Chung Megan

officer: General Counsel and Secretary

Sold $1.43M
8 tradesLast: Apr 17, 2026
Tewksbury Ted L III

Director

Sold $113.3K
3 tradesLast: Mar 23, 2026
Pacala Charles Angus

President and CEO

Sold $2.27M
3 tradesLast: Mar 16, 2026
Geng Chen

Interim CFO

Sold $23.3K
1 tradesLast: Mar 12, 2025
Kantheti Krishna

10% Owner

Sold $2.66M
3 tradesLast: Dec 16, 2021