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sellWeak cluster of 610b5-1 plan

Darien Spencer sold $435k of OUST

Chief Operating Officer at Ouster, Inc.. 12,808 shares at an average of $33.96, traded Sep 14, 2026, filed Sep 16, 2026.

Warning score
32
Value
$435k
12,808 shares
Holdings after
286,999
-4% from before
From 52-week low
+101%
low $16.63, close $33.46
From 52-week high
-46%
high $62.52, as of Sep 14, 2026

Score components

  • Role
    COO
    +20
  • Trade size
    $435k at market
    +17
  • Share of holdings sold
    Sold 4.3% 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 Sep 16, 2026: +17.4%SPY +3.5% · excess +13.9%

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 0001193125-26-393395, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 14, 2026SOpen-market sale
Common Stock10b5-1
-12,808$33.96$435k286,99927 d ago

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%
19Weak
OUSTsell 710b5-1
Ouster, Inc.
Ted L Tewksbury III
director
$80k
1,695 shares
-1%
27Weak
OUSTsell 710b5-1
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$437k
11,261 shares
-5%
31Weak
OUSTsell 710b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$715k
18,414 shares
-6%
47Moderate
OUSTsell 710b5-1
Ouster, Inc.
Kenneth P. Gianella
Chief Financial Officer
$2.1M
54,337 shares
-15%
45Moderate
OUSTsell 7
Ouster, Inc.
Cyrille Jacquemet
Chief Revenue Officer
$339k
8,723 shares
-7%

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.

Darien Spencer sold $435k of OUST | InsiderTell