FRICHTL MARK

PrivateCIK: 1847596
Location

SAN FRANCISCO, CA

FRICHTL MARK (Chief Technology Officer) sold 56.6% of their position (384.43K shares) of OUSTER, INC. on the open market

Open‑market sale worth $15.61M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales
InsiderFRICHTL MARKCIK 1847596
IssuerOUSTER, INC.CIK 1816581
Officer· Chief Technology Officer
Since Mar 2021
-384.43K
Net shares
Net seller
$15.61M
Total sold
9
Open market trades
0B · 9S
11
Total transactions
50.06K acquired · 434.49K disposed
Non-Derivative Transactions10

Common Stock

Direct
M · Option Exercise

Shares

+50.06K

Price / share

$14.22

Trade value

$711.90K

% of position

8.0%
5/22/2026
629.29K679.35K

Common Stock

Direct
S · Sale

Shares

35.68K

Price / share

$36.39

Trade value

$1.30M

% of position

5.3%
5/22/2026
679.35K643.67K

Common Stock

Direct
S · Sale

Shares

40K

Price / share

$37.16

Trade value

$1.49M

% of position

6.2%
5/22/2026
643.67K603.67K

Common Stock

Direct
S · Sale

Shares

19.67K

Price / share

$39.16

Trade value

$770.23K

% of position

3.3%
5/26/2026
603.67K584K

Common Stock

Direct
S · Sale

Shares

76.58K

Price / share

$39.94

Trade value

$3.06M

% of position

13.1%
5/26/2026
584K507.42K

Common Stock

Direct
S · Sale

Shares

70.56K

Price / share

$40.90

Trade value

$2.89M

% of position

13.9%
5/26/2026
507.42K436.86K

Common Stock

Direct
S · Sale

Shares

48.19K

Price / share

$41.99

Trade value

$2.02M

% of position

11.0%
5/26/2026
436.86K388.67K

Common Stock

Direct
S · Sale

Shares

45K

Price / share

$43.00

Trade value

$1.94M

% of position

11.6%
5/26/2026
388.67K343.67K

Common Stock

Direct
S · Sale

Shares

45K

Price / share

$44.00

Trade value

$1.98M

% of position

13.1%
5/26/2026
343.67K298.67K

Common Stock

Direct
S · Sale

Shares

3.74K

Price / share

$45.00

Trade value

$168.39K

% of position

1.3%
5/26/2026
298.67K294.92K
Total

Net shares

334.36K

Net value

-$14.90M

Derivative Transactions1

Non-Qualified Stock Option

Direct
M · Option Exercise
Converts to

Common Stock

50.06K shares

Shares

50.06K

Strike price

14.22

Held after

0.00

Exercisable

5/22/2026
FRICHTL MARK — Insider Transaction (Form 4) Filed May 27, 2026 | Finecho