Ouster, Inc. (OUST) Insider Ownership

Historic Insider Ownership Trends

OUST's three largest insider shareholders as of June 02, 2026 are Krishna Kantheti (TenPercentOwner, 2.44Mn shares), Anna Brunelle (Chief Financial Officer, 2.32Mn shares), Remy W Trafelet (Director, 1.66Mn shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Emmanuel T Hernandez - 153,546 0 09 Jan, 2023
Virginia Boulet - 228,342 0 09 Mar, 2026
Stephen A Skaggs - 71,690 0 20 Jun, 2025
Darien Spencer Chief Operating Officer 371,375 0 14 Apr, 2026
Ernest E Maddock - 84,177 0 20 Jun, 2025
Calvo Jorge A Del - 133,946 0 07 Oct, 2022
Mark Weinswig Chief Financial Officer 173,960 0 16 Dec, 2024
Remy W Trafelet - 1,661,450 0 09 Jan, 2023
Susan Heystee Interim Chief Revenue Officer 44,410 0 07 Apr, 2026
Ted L Iii Tewksbury - 121,969 0 23 Mar, 2026
Anna Brunelle Chief Financial Officer 2,320,623 0 20 Dec, 2022
Adam Dolinko - 714,848 0 14 Dec, 2022
Sundari Mitra - 139,313 0 09 Jan, 2023
Phillip Eyler - 15,658 0 10 Dec, 2025
Kenneth P. Gianella Chief Financial Officer 355,351 0 14 Apr, 2026
Shauna Mcintyre Pres. Of Ouster Automotive 1,572,249 0 26 Oct, 2021
Kristin Slanina - 46,421 0 09 Jul, 2024
Mark Frichtl Chief Technology Officer 712,297 0 21 Apr, 2026
Krishna Kantheti - 0 2,443,226 17 Aug, 2023
Charles Angus Pacala President And Ceo 1,099,036 0 14 Apr, 2026
Nathan Dickerman President Of Field Operations 104,069 0 17 Aug, 2023
Karin Radstrom - 60,148 0 09 Oct, 2024
Riaz Valani - 186,254 0 14 Feb, 2023
Megan Chung General Counsel And Secretary 219,673 0 14 Apr, 2026
Christina Correia - 71,690 0 20 Jun, 2025
Chen Geng Interim Cfo 68,090 0 25 Mar, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
22 Apr, 2026 Mark Frichtl Common Stock A 400 $2.13 712,697 D M
22 Apr, 2026 Mark Frichtl Common Stock D 400 $30.00 712,297 D S
22 Apr, 2026 Mark Frichtl Non-Qualified Stock Option D 400 $0.00 66,034 D M
21 Apr, 2026 Stephen A Skaggs Common Stock D 5,000 $28.00 66,690 D S
20 Apr, 2026 Mark Frichtl Common Stock A 60,000 $2.13 772,297 D M
20 Apr, 2026 Mark Frichtl Common Stock D 30,000 $26.08 742,297 D S
20 Apr, 2026 Mark Frichtl Common Stock D 30,000 $27.08 712,297 D S
21 Apr, 2026 Mark Frichtl Common Stock A 60,000 $2.13 772,297 D M
21 Apr, 2026 Mark Frichtl Common Stock D 30,000 $28.11 742,297 D S
21 Apr, 2026 Mark Frichtl Common Stock D 30,000 $29.02 712,297 D S
20 Apr, 2026 Mark Frichtl Non-Qualified Stock Option D 60,000 $0.00 126,434 D M
21 Apr, 2026 Mark Frichtl Non-Qualified Stock Option D 60,000 $0.00 66,434 D M
16 Apr, 2026 Megan Chung Common Stock D 5,837 $24.70 213,836 D S
17 Apr, 2026 Mark Frichtl Common Stock A 30,000 $2.13 742,297 D M
17 Apr, 2026 Mark Frichtl Common Stock D 30,000 $25.15 712,297 D S
17 Apr, 2026 Mark Frichtl Non-Qualified Stock Option D 30,000 $0.00 186,434 D M
14 Apr, 2026 Mark Frichtl Common Stock A 40,000 $2.13 752,297 D M
14 Apr, 2026 Mark Frichtl Common Stock D 40,000 $22.76 712,297 D S
15 Apr, 2026 Mark Frichtl Common Stock A 20,000 $2.13 732,297 D M
15 Apr, 2026 Mark Frichtl Common Stock D 20,000 $24.00 712,297 D S