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sellWeak cluster of 310b5-1 plan

Christopher K Cox sold $13M of META

Chief Product Officer at Meta Platforms, Inc.. 20,000 shares at an average of $650.28, traded Sep 9, 2026, filed Sep 11, 2026.

Warning score
35
Value
$13M
20,000 shares
Holdings after
244,516
-8% from before
From 52-week low
+24%
low $524.82, close $653.17
From 52-week high
-16%
high $777.09, as of Sep 9, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $13.0M at market
    +25
  • Share of holdings sold
    Sold 7.6% 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.

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.

METAOct 9, 2026 · close 718.67
Since filing Sep 11, 2026: +11.0%SPY +2.1% · excess +8.9%

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 0000950103-26-013860, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 9, 2026SOpen-market sale
Class A Common Stockindirect: Christopher K. Cox Revocable Trust10b5-1
-18,578$650.21$12M245,93831 d ago
Sep 9, 2026SOpen-market sale
Class A Common Stockindirect: Christopher K. Cox Revocable Trust10b5-1
-1,422$651.15$926k244,51631 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
45Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Javier Olivan
Chief Operating Officer
$1.1M
1,575 shares
-18%
45Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Javier Olivan
Chief Operating Officer
$1.2M
1,575 shares
-16%
65Notable
METAsell 310b5-1
Meta Platforms, Inc.
Mark Zuckerberg
COB and CEO
$21M
27,474 shares
-160%
40Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Christopher K Cox
Chief Product Officer
$29M
40,000 shares
-18%
45Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Javier Olivan
Chief Operating Officer
$1.1M
1,575 shares
-15%
35Weak
METAsell 410b5-1
Meta Platforms, Inc.
Christopher K Cox
Chief Product Officer
$14M
20,000 shares
-8%
45Moderate
METAsell 410b5-1
Meta Platforms, Inc.
Javier Olivan
Chief Operating Officer
$1.0M
1,575 shares
-14%
50Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Javier Olivan
Chief Operating Officer
$3.3M
5,354 shares
-37%
45Moderate
METAsell 310b5-1
Meta Platforms, Inc.
Aaron Anderson
Chief Accounting Officer
$2.0M
3,240 shares
-34%
16Weak
METAsell10b5-1
Meta Platforms, Inc.
Peggy Alford
director
$394k
518 shares
-11%

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.

Christopher K Cox sold $13M of META | InsiderTell