144
0001847596
XXXXXXXX
LIVE
0001816581
Ouster, Inc.
001-39463
350 Treat Avenue
San Francisco
CA
94110
(415)949-0108
MARK FRICHTL
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
136434
3697361.40
63672949
05/13/2026
NASDAQ
Common
05/13/2026
Exercise of Stock Options
Issuer
N
52775
05/13/2026
Cash
Common
03/11/2024
Restricted Stock Units
Issuer
N
83659
03/11/2024
N/A
N
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
05/05/2026
13451
403530.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
05/04/2026
21149
637160.15
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/22/2026
400
12000.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/21/2026
60000
1713861.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/20/2026
60000
1594806.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/17/2026
30000
754395.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/15/2026
20000
480000.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
04/14/2026
40000
910248.00
10b5-1 Sales for MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
03/25/2026
40000
837576.00
MARK FRICHTL
350 Treat Avenue
San Francisco
CA
94110
Common
03/12/2026
15689
367637.20
The securities to be sold were acquired upon the vesting of restricted stock units during the period of 03/11/2024 through 12/11/2024.
05/13/2026
12/15/2025
/s/ Mark Frichtl