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sellWeak cluster of 510b5-1 plan

Megan Chung sold $225k of OUST

General Counsel and Secretary at Ouster, Inc.. 9,593 shares at an average of $23.43, traded Mar 12, 2026, filed Mar 16, 2026.

Warning score
22
Value
$225k
9,593 shares
Holdings after
173,548
-5% from before
From 52-week low
+241%
low $6.61, close $22.56
From 52-week high
-39%
high $37.08, as of Mar 12, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $225k at market
    +12
  • Share of holdings sold
    Sold 5.2% of holdings
    0
  • Cluster
    5 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 Mar 16, 2026: +87.3%SPY +17.3% · excess +70.0%

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 0001193125-26-108322, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 12, 2026SOpen-market sale
Common Stock10b5-1
-9,593$23.43$225k173,548Mar 16, 2026

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%
12Weak
OUSTsell10b5-1
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$437k
11,261 shares
-5%
25Weak
OUSTbuy
Ouster, Inc.
Virginia Boulet
director
$42k
1,658 shares
+1%
6Weak
OUSTsell10b5-1
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$144k
5,837 shares
-3%
18Weak
OUSTsell 510b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$838k
40,000 shares
-6%

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.

Megan Chung sold $225k of OUST | InsiderTell