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sellModerate cluster of 710b5-1 plan

Brian Armstrong sold $11M of COIN

Chairman and CEO at Coinbase Global, Inc.. 40,000 shares at an average of $273.86, traded Dec 8, 2025, filed Dec 10, 2025.

Warning score
50
Value
$11M
40,000 shares
Holdings after
0
-100% from before
From 52-week low
+81%
low $151.47, close $274.20
From 52-week high
-35%
high $419.78, as of Dec 8, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $11.0M at market
    +25
  • Share of holdings sold
    Sold 100% of holdings
    +20
  • Cluster
    7 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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 -12.5%, 3m -27.8%, 6m -44.0%.

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.

COINOct 9, 2026 · close 179.39
Since filing Dec 10, 2025: -34.8%SPY +14.4% · excess -49.2%

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 0001679788-25-000243, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 8, 2025MOption exercise
Class A Common Stock10b5-1
+40,000$18.71$748k40,000Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-4,660$271.57$1.3M35,340Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-9,978$272.44$2.7M25,362Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-5,213$273.45$1.4M20,149Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-5,902$274.50$1.6M14,247Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-12,474$275.41$3.4M1,773Dec 10, 2025
Dec 8, 2025SOpen-market sale
Class A Common Stock10b5-1
-1,773$276.07$489k0Dec 10, 2025
Dec 8, 2025MOption exercise
Employee Stock Option (right to buy)derivative10b5-1
-40,000$0.00$02,633,924Dec 10, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
28Weak
COINsell 210b5-1
Coinbase Global, Inc.
Marc L Andreessen
director
$3.9M
20,514 shares
-2%
28Weak
COINsell 210b5-1
Coinbase Global, Inc.
Marc L Andreessen
director
$1.4M
6,838 shares
-1%
40Moderate
COINsell 210b5-1
Coinbase Global, Inc.
Alesia J Haas
Chief Financial Officer
$8.0M
39,030 shares
-10%
35Weak
COINsell 310b5-1
Coinbase Global, Inc.
Marc L Andreessen
director
$2.5M
13,676 shares
-1%
55Moderate
COINsell 310b5-1
Coinbase Global, Inc.
Frederick R Wilson
director
$1.8M
10,000 shares
-100%
39Weak
COINsell 210b5-1
Coinbase Global, Inc.
Jennifer N. Jones
Chief Accounting Officer
$389k
2,062 shares
-100%
40Moderate
COINsell10b5-1
Coinbase Global, Inc.
Frederick R Wilson
director
$5.1M
35,068 shares
-117%
30Weak
COINsell10b5-1
Coinbase Global, Inc.
Frederick R Wilson
director
$1.6M
10,000 shares
-33%
44Moderate
COINsell 410b5-1
Coinbase Global, Inc.
Jennifer N. Jones
Chief Accounting Officer
$324k
2,051 shares
-100%
45Moderate
COINsell 410b5-1
Coinbase Global, Inc.
Frederick R Wilson
director
$1.8M
10,000 shares
-25%

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.

Brian Armstrong sold $11M of COIN | InsiderTell