Ouster, Inc. (OUST) Insider Ownership

Historic Insider Ownership Trends

Through the 90-day period concluding February 19, 2026, Ouster's top three insider stakeholders include TenPercentOwner Krishna Kantheti (2.44Mn shares), President And Ceo Charles Angus Pacala (985.32K shares), Chief Technology Officer Mark Frichtl (652.57K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Krishna Kantheti 2,443,226 17 Aug, 2023
Anna Brunelle Chief Financial Officer 232,062 20 Dec, 2022
Remy W Trafelet 166,145 09 Jan, 2023
Shauna Mcintyre Pres. Of Ouster Automotive 157,225 26 Oct, 2021
Charles Angus Pacala President And Ceo 985,317 16 Dec, 2025
Adam Dolinko See Remarks 71,485 14 Dec, 2022
Mark Frichtl Chief Technology Officer 652,571 16 Dec, 2025
Darien Spencer Chief Operating Officer 336,188 16 Dec, 2025
Kenneth P. Gianella Chief Financial Officer 300,000 20 May, 2025
Virginia Boulet 221,842 20 Jun, 2025
Riaz Valani 18,625 14 Feb, 2023
Megan Chung General Counsel And Secretary 183,141 21 Jan, 2026
Mark Weinswig Chief Financial Officer 173,960 16 Dec, 2024
Emmanuel T Hernandez 15,355 09 Jan, 2023
Sundari Mitra 13,931 09 Jan, 2023
Calvo Jorge A Del 13,395 07 Oct, 2022
Ted L Iii Tewksbury 123,664 23 Dec, 2025
Nathan Dickerman President Of Field Operations 104,069 17 Aug, 2023
Ernest E Maddock 84,177 20 Jun, 2025
Christina Correia 71,690 20 Jun, 2025
Stephen A Skaggs 71,690 20 Jun, 2025
Chen Geng Interim Cfo 68,090 25 Mar, 2025
Karin Radstrom 60,148 09 Oct, 2024
Kristin Slanina 46,421 09 Jul, 2024
Susan Heystee 42,952 06 Jan, 2026
Phillip Eyler 15,658 10 Dec, 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
16 Jan, 2026 Megan Chung Common Stock D 5,837 $27.24 183,141 D S
05 Jan, 2026 Susan Heystee Common Stock A 1,327 $24.80 42,952 D A
19 Dec, 2025 Ted L Iii Tewksbury Common Stock D 1,695 $21.47 123,664 D S
12 Dec, 2025 Darien Spencer - - 336,188 D
12 Dec, 2025 Darien Spencer Common Stock D 10,919 $24.98 336,188 D S
12 Dec, 2025 Susan Heystee Common Stock D 11,650 $25.03 41,625 D S
12 Dec, 2025 Mark Frichtl Common Stock D 15,661 $24.98 652,571 D S
12 Dec, 2025 Charles Angus Pacala Common Stock D 24,610 $24.98 985,317 D S
12 Dec, 2025 Megan Chung Common Stock D 10,696 $24.98 188,978 D S
08 Dec, 2025 Phillip Eyler - - 11,683 D
08 Dec, 2025 Phillip Eyler - - 15,658 D
08 Dec, 2025 Phillip Eyler Common Stock A 3,975 $0.00 15,658 D A
08 Dec, 2025 Phillip Eyler Common Stock A 11,683 $0.00 11,683 D A
11 Nov, 2025 Ted L Iii Tewksbury Common Stock D 1,695 $25.38 125,359 D S
11 Nov, 2025 Ted L Iii Tewksbury - - 125,359 D
17 Oct, 2025 Megan Chung Common Stock D 5,837 $31.02 197,199 D S
06 Oct, 2025 Susan Heystee Common Stock A 1,010 $32.43 53,275 D A
12 Sep, 2025 Darien Spencer Common Stock D 18,274 $28.46 346,132 D S
12 Sep, 2025 Mark Frichtl Common Stock D 25,329 $28.46 665,403 D S
12 Sep, 2025 Charles Angus Pacala Common Stock D 37,992 $28.46 1,009,927 D S