SPENCER DARIEN

PrivateCIK: 1226378
Location

FREMONT, CA

Senior insider sale

EVP of Global Operations at OUSTER, INC. — senior position signals high conviction

$2.36M

56.44K shares

What this filing means

SPENCER DARIEN plans to sell 56.44K shares of OUSTER, INC. valued at approximately $2.36M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderSPENCER DARIENCIK 1226378
IssuerOUSTER, INC.CIK 1816581
Officer· EVP of Global Operations
Since Mar 2021
56.44K
Shares to sell
$2.36M
Approx. market value
24.18K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months3
Sort

Restricted stock units awarded under incentive award plan

Services rendered

9/11/2026
13.33K

Restricted stock units awarded under incentive award plan

Services rendered

9/11/2026
7K

Restricted stock units awarded under incentive award plan

Services Rendered

9/11/2026
3.84K
Total acquired24.18K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

30K

Market value

$1.35M

8/4/2026
Completed

Units to sell

12.56K

Market value

$487.6K

6/12/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

13.88K

Market value

$520.4K

9/11/2026
Total

Units

56.44K

Value

$2.36M