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sellModerate cluster of 410b5-1 plan

Sytse Sijbrandij sold $2.1M of GTLB

Executive Chair of the Board at Gitlab Inc.. 54,300 shares at an average of $38.95, traded Dec 15, 2025, filed Dec 17, 2025.

Warning score
55
Value
$2.1M
54,300 shares
Holdings after
0
-100% from before
From 52-week low
+3%
low $37.35, close $38.59
From 52-week high
-47%
high $73.14, as of Dec 15, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $2.1M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    4 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.

GTLBOct 9, 2026 · close 55.09
Since filing Dec 17, 2025: +45.5%SPY +17.2% · excess +28.3%

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 0001653482-25-000072, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 15, 2025CConversion
Class A Common Stockindirect: By Trust10b5-1
+54,300$0.00$054,300Dec 17, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stockindirect: By Trust10b5-1
-53,600$38.94$2.1M700Dec 17, 2025
Dec 15, 2025SOpen-market sale
Class A Common Stockindirect: By Trust10b5-1
-700$39.60$28k0Dec 17, 2025
Dec 15, 2025CConversion
Class B Common Stockderivativeindirect: By Trust10b5-1
-54,300--15,359,251Dec 17, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
15Weak
GTLBbuy10b5-1
Gitlab Inc.
William Staples
Chief Executive Officer
$125k
2,677 shares
+0%
33Weak
GTLBsell 210b5-1
Gitlab Inc.
Sytse Sijbrandij
Executive Chair of the Board
$101M
2,116,200 shares
-14%
33Weak
GTLBsell 210b5-1
Gitlab Inc.
Sivaprasad Padisetty
Chief Technology Officer
$2.4M
51,915 shares
-12%
75Notable
GTLBsell 4
Gitlab Inc.
Matthew Jacobson
director
$13M
334,827 shares
-100%
21Weak
GTLBsell 410b5-1
Gitlab Inc.
Simon Mundy
Chief Accounting Officer
$133k
3,479 shares
-7%
75Notable
GTLBsell 4
Gitlab Inc.
Susan L Bostrom
director
$3.9M
100,000 shares
-67%
40Moderate
GTLBsell10b5-1
Gitlab Inc.
Sytse Sijbrandij
Executive Chair of the Board
$4.7M
108,600 shares
-100%
21Weak
GTLBsell 310b5-1
Gitlab Inc.
Karen Blasing
director
$147k
3,250 shares
-3%
55Moderate
GTLBsell 310b5-1
Gitlab Inc.
Sytse Sijbrandij
Executive Chair of the Board
$4.8M
108,600 shares
-100%
23Weak
GTLBsell 410b5-1
Gitlab Inc.
Simon Mundy
Chief Accounting Officer
$228k
5,191 shares
-9%

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.

Sytse Sijbrandij sold $2.1M of GTLB | InsiderTell