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sellWeak cluster of 610b5-1 plan

Ted L Tewksbury III sold $36k of OUST

director at Ouster, Inc.. 1,695 shares at an average of $21.47, traded Dec 19, 2025, filed Dec 23, 2025.

Warning score
16
Value
$36k
1,695 shares
Holdings after
123,664
-1% from before
From 52-week low
+236%
low $6.61, close $22.23
From 52-week high
-40%
high $37.08, as of Dec 19, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $36k at market
    +6
  • Share of holdings sold
    Sold 1.4% of holdings
    0
  • Cluster
    6 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

OUSTOct 9, 2026 · close 39.90
Since filing Dec 23, 2025: +76.2%SPY +14.1% · excess +62.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001193125-25-331041, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 19, 2025SOpen-market sale
Common Stock10b5-1
-1,695$21.47$36k123,664Dec 23, 2025

Related signals

Other insiders at Ouster, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
26Weak
OUSTsell 610b5-1
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$390k
11,484 shares
-6%
30Weak
OUSTsell 610b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$638k
18,778 shares
-6%
35Weak
OUSTsell 610b5-1
Ouster, Inc.
Kenneth P. Gianella
Chief Financial Officer
$533k
15,686 shares
-6%
44Moderate
OUSTsell 6
Ouster, Inc.
Cyrille Jacquemet
Chief Revenue Officer
$302k
8,896 shares
-8%
45Moderate
OUSTsell 610b5-1
Ouster, Inc.
Charles Angus Pacala
President and CEO
$1.0M
30,385 shares
-3%
32Weak
OUSTsell 610b5-1
Ouster, Inc.
Darien Spencer
Chief Operating Officer
$435k
12,808 shares
-4%
18Weak
OUSTsell 510b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$838k
40,000 shares
-6%
16Weak
OUSTsell 510b5-1
Ouster, Inc.
Ted L Tewksbury III
director
$34k
1,695 shares
-1%
22Weak
OUSTsell 510b5-1
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$225k
9,593 shares
-5%
25Weak
OUSTsell 510b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$368k
15,689 shares
-2%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Ted L Tewksbury III sold $36k of OUST | InsiderTell