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sellWeak cluster of 310b5-1 plan

Artur Bergman sold $483k of FSLY

Chief Technology Officer at Fastly, Inc.. 41,929 shares at an average of $11.51, traded Nov 28, 2025, filed Dec 2, 2025.

Warning score
28
Value
$483k
41,929 shares
Holdings after
2,893,801
-1% from before
From 52-week low
+133%
low $5.00, close $11.66
From 52-week high
-6%
high $12.34, as of Nov 28, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $483k at market
    +18
  • Share of holdings sold
    Sold 1.4% of holdings
    0
  • Cluster
    3 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.

This signal so far: 1m -12.6%, 3m +81.4%, 6m +78.3%.

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.

FSLYOct 9, 2026 · close 29.30
Since filing Dec 2, 2025: +151.5%SPY +15.4% · excess +136.1%

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 0001517413-25-000335, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 28, 2025SOpen-market sale
Class A Common Stock10b5-1
-849$11.82$10k2,934,881Dec 2, 2025
Dec 1, 2025SOpen-market sale
Class A Common Stock10b5-1
-1,080$11.45$12k2,933,801Dec 2, 2025
Dec 1, 2025SOpen-market sale
Class A Common Stock10b5-1
-40,000$11.51$460k2,893,801Dec 2, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
34Weak
FSLYsell 410b5-1
Fastly, Inc.
Artur Bergman
Chief Technology Officer
$919k
37,039 shares
-3%
45Moderate
FSLYsell 410b5-1
Fastly, Inc.
Artur Bergman
Chief Technology Officer
$11M
379,602 shares
-25%
35Weak
FSLYsell 410b5-1
Fastly, Inc.
Artur Bergman
Chief Technology Officer
$2.1M
77,046 shares
-5%
17Weak
FSLYsell 410b5-1
Fastly, Inc.
Artur Bergman
Chief Technology Officer
$56k
2,200 shares
-0%
40Moderate
FSLYsell 410b5-1
Fastly, Inc.
Jeffrey Ford
Principal Accounting Officer
$1.1M
45,832 shares
-15%
40Moderate
FSLYsell 410b5-1
Fastly, Inc.
Scott R. Lovett
President, Go to Market
$1.0M
41,815 shares
-3%
58Moderate
FSLYsell 4
Fastly, Inc.
Scott R. Lovett
President, Go to Market
$830k
34,820 shares
-3%
58Moderate
FSLYsell 4
Fastly, Inc.
Jeffrey Ford
Principal Accounting Officer
$884k
37,091 shares
-11%
33Weak
FSLYsell 510b5-1
Fastly, Inc.
Artur Bergman
Chief Technology Officer
$825k
33,579 shares
-2%
45Moderate
FSLYsell 510b5-1
Fastly, Inc.
Charles Lacey Compton III
CEO
$1.3M
50,392 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.

Artur Bergman sold $483k of FSLY | InsiderTell