FRICHTL MARK

PrivateCIK: 1847596
Location

SAN FRANCISCO, CA

FRICHTL MARK (Chief Technology Officer) sold 14.4% of their position (120K shares) of OUSTER, INC. on the open market

Open‑market sale worth $3.31M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderFRICHTL MARKCIK 1847596
IssuerOUSTER, INC.CIK 1816581
Officer· Chief Technology Officer
Since Mar 2021
-120K
Net shares
Net seller
$3.31M
Total sold
4
Open market trades
0B · 4S
8
Total transactions
120K acquired · 240K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+60K

Price / share

$2.13

Trade value

$127.80K

% of position

8.4%
4/20/2026
712.30K772.30K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$26.08

Trade value

$782.55K

% of position

3.9%
4/20/2026
772.30K742.30K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$27.08

Trade value

$812.26K

% of position

4.0%
4/20/2026
742.30K712.30K

Common Stock

Direct
M · Option Exercise

Shares

+60K

Price / share

$2.13

Trade value

$127.80K

% of position

8.4%
4/21/2026
712.30K772.30K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$28.11

Trade value

$843.33K

% of position

3.9%
4/21/2026
772.30K742.30K

Common Stock

Direct
S · Sale

Shares

30K

Price / share

$29.02

Trade value

$870.53K

% of position

4.0%
4/21/2026
742.30K712.30K
Total

Net shares

+0.00

Net value

-$3.05M

Derivative Transactions2

Non-Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

60K shares

Shares

60K

Strike price

2.13

Held after

126.43K

Exercisable

4/20/2026

Non-Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

60K shares

Shares

60K

Strike price

2.13

Held after

66.43K

Exercisable

4/21/2026
FRICHTL MARK — Insider Transaction (Form 4) Filed Apr 21, 2026 | Finecho