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sellWeak cluster of 610b5-1 plan

Megan Chung sold $390k of OUST

General Counsel and Secretary at Ouster, Inc.. 11,484 shares at an average of $33.96, traded Sep 14, 2026, filed Sep 16, 2026.

Warning score
26
Value
$390k
11,484 shares
Holdings after
189,291
-6% 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
    Officer
    +15
  • Trade size
    $390k at market
    +16
  • Share of holdings sold
    Sold 5.7% 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 0001193125-26-393398, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 14, 2026SOpen-market sale
Common Stock10b5-1
-11,484$33.96$390k189,29126 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
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%
48Moderate
OUSTsell 4
Ouster, Inc.
Megan Chung
General Counsel and Secretary
$489k
17,183 shares
-8%
31Weak
OUSTsell 410b5-1
Ouster, Inc.
Mark Frichtl
Chief Technology Officer
$721k
25,329 shares
-4%
45Moderate
OUSTsell 410b5-1
Ouster, Inc.
Charles Angus Pacala
President and CEO
$1.1M
37,992 shares
-4%
53Moderate
OUSTsell 4
Ouster, Inc.
Darien Spencer
Chief Operating Officer
$520k
18,274 shares
-5%
50Moderate
OUSTsell
Ouster, Inc.
Susan Heystee
director
$1.2M
40,390 shares
-44%

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 $390k of OUST | InsiderTell