Mark Frichtl Ouster, Inc. (OUST) insider trading activity

Mark Frichtl is Chief Technology Officer of Ouster, Inc.. Currently has a direct ownership of 652,571 shares of OUST, which is worth approximately $14.7 Million. The most recent transaction as insider was on Dec 12, 2025, when has been sold 15,661 shares (Common Stock) at a price of $24.98 per share, resulting in proceeds of $391,211. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 653K

1.93% 3M change

27.18% 12M change

Total Value Held $14.7 Million

Mark Frichtl Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 12 2025	SELL Open market or private sale	$391,211 $24.98 p/Share	15,661 Reduced 2.34%	652,571 Common Stock
Sep 12 2025	SELL Open market or private sale	$720,863 $28.46 p/Share	25,329 Reduced 3.67%	665,403 Common Stock
Apr 01 2025	BUY Grant, award, or other acquisition	-	175,000 Added 20.28%	688,121 Common Stock
Dec 12 2024	BUY Open market or private purchase	$49,340 $9.78 p/Share	5,045 Added 0.97%	513,121 Common Stock
May 15 2024	BUY Open market or private purchase	$98,720 $12.34 p/Share	8,000 Added 1.56%	505,076 Common Stock
Mar 28 2024	BUY Grant, award, or other acquisition	-	92,319 Added 15.74%	494,076 Common Stock
May 16 2023	BUY Open market or private purchase	$150,088 $5.84 p/Share	25,700 Added 0.68%	3,749,512 Common Stock

Mar 20 2023	BUY Grant, award, or other acquisition	-	375,000 Added 9.16%	3,718,636 Common Stock
Mar 11 2021	BUY Grant, award, or other acquisition	-	3,343,636 Added 50.0%	3,343,636 Common Stock

Mark Frichtl

Chief Technology Officer

San Francisco, CA

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