OUST Ouster, Inc.

NASDAQ
$40.87

Ouster, Inc. (OUST) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Subdued Selling ran below OUST's own trailing one-year pace, with 96% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 7 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
13 transactions
Purchases
$0
0 shares
Sales
$6.7M
173,037 shares
Net activity
-$6.7M
purchases less sales

How much of that selling was preplanned? 96% planned / 4% discretionary

10b5-1 plan sales $6.4M 12 transactions · 164,141 shares
Discretionary sales $302.1K 1 transaction · 8,896 shares

Largest single sale: $1.4M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: May 11, 2026 , by Boulet Virginia .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Pacala Charles Angus President and CEO Sell 10b5-1 30,385 $33.96 $1.0M 1,041,816 −2.8% of holding
Frichtl Mark Chief Technology Officer Sell 10b5-1 18,778 $33.96 $637.7K 318,987 −5.6% of holding
Gianella Kenneth P. Chief Financial Officer Sell 10b5-1 15,686 $33.96 $532.7K 245,328 −6% of holding
SPENCER DARIEN Chief Operating Officer Sell 10b5-1 12,808 $33.96 $435.0K 286,998 −4.3% of holding
Chung Megan General Counsel and Secretary Sell 10b5-1 11,484 $33.96 $390.0K 189,291 −5.7% of holding
Jacquemet Cyrille Chief Revenue Officer Sell 8,896 $33.96 $302.1K 105,538 −7.8% of holding
Gianella Kenneth P. 4 fills Chief Financial Officer Sell 10b5-1 40,000 $45.33 $1.8M 283,087 −12.4% of holding
SKAGGS STEPHEN A Director Sell 10b5-1 3,614 $45.18 $163.3K 61,415 −5.6% of holding
SKAGGS STEPHEN A Director Sell 10b5-1 1,386 $46.48 $64.4K 65,029 −2.1% of holding
SPENCER DARIEN Chief Operating Officer Sell 10b5-1 30,000 $45.00 $1.4M 299,806 −9.1% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.