Mark Frichtl sold $391K of Ouster (OUST)

Executed Dec 12 2025, disclosed Dec 16 2025, 4 days later.

Value, as filed

$391K

15,661 sh × $24.98

Executed

Dec 12 2025

the trade date, as filed

Disclosed

Dec 16 2025

4 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

Mark Frichtl Chief Technology Officer profile →

Mark Frichtl (Chief Technology Officer) filed 11 Form 4 reports in the trailing twelve months (0 purchases, 11 sales), most often in Ouster, Inc. (OUST). The largest single filing was $15.6M of OUST (384,426 sh across 9 lots, as filed), executed May 22.

The name

OUST

Ouster, Inc. OUST · Technology · 51 filings in 24 months ticker →

Technology · Ouster, Inc. engages in the production and sale of lidar sensor kits for the automotive, industrial, robotics, and smart infrastructure ind…

More Technology filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Mark Frichtl in OUST

OUSTSALE Ouster, Inc. $638K
18,778 sh × $33.96
Exec Sep 14
Filed Sep 16 · 6:51 PM ET OUSTSALE Ouster, Inc. $715K
18,414 sh × $38.82
Exec Jun 12
Filed Jun 16 · 5:30 PM ET OUSTSALE Ouster, Inc. $15.6M
384,426 sh across 9 lots
Exec May 22
Filed May 27 · 5:30 PM ET OUSTSALE Ouster, Inc. $5.9M
178,250 sh across 7 lots
Exec May 13
Filed May 15 · 5:30 PM ET OUSTSALE Ouster, Inc. $1.0M
34,600 sh across 2 lots
Exec May 4
Filed May 6 · 5:30 PM ET OUSTSALE Ouster, Inc. $3.3M
120,000 sh across 4 lots
Exec Apr 20
Filed Apr 21 · 5:30 PM ET OUSTSALE Ouster, Inc. $754K
30,000 sh × $25.15
Exec Apr 17
Filed Apr 17 · 5:30 PM ET OUSTSALE Ouster, Inc. $1.4M
60,000 sh across 2 lots
Exec Apr 14
Filed Apr 15 · 5:30 PM ET