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sellWeak10b5-1 plan

Amy Simon sold $429k of BEAM

Chief Medical Officer at Beam Therapeutics Inc.. 16,667 shares at an average of $25.74, traded Jul 27, 2026, filed Jul 29, 2026.

Warning score
17
Value
$429k
16,667 shares
Holdings after
85,696
-16% from before
From 52-week low
+57%
low $16.01, close $25.07
From 52-week high
-34%
high $37.92, as of Jul 27, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $429k at market
    +17
  • Share of holdings sold
    Sold 16% of holdings
    +5
  • Cluster
    No other insider selling within 14 days
    0
  • 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.

BEAMOct 9, 2026 · close 25.70
Since filing Jul 29, 2026: -1.2%SPY +6.9% · excess -8.2%

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 0001193125-26-323640, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 27, 2026SOpen-market sale
Common Stock10b5-1
-16,667$25.74$429k85,696Jul 29, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
2Weak
BEAMsell10b5-1
Beam Therapeutics Inc.
Bethany J Cavanagh
SVP, Finance and Treasurer
$4,565
187 shares
-0%
10Weak
BEAMsell 310b5-1
Beam Therapeutics Inc.
Amy Simon
Chief Medical Officer
$13k
373 shares
-0%
30Weak
BEAMsell 310b5-1
Beam Therapeutics Inc.
John M. Evans
CEO
$1.7M
50,000 shares
-5%
57Moderate
BEAMsell 3
Beam Therapeutics Inc.
Fmr LLC
owner, other
$10M
284,860 shares
-25%
29Weak
BEAMsell 510b5-1
Beam Therapeutics Inc.
Giuseppe Ciaramella
President
$290k
11,810 shares
-5%
21Weak
BEAMsell 510b5-1
Beam Therapeutics Inc.
Christine Bellon
Chief Legal Officer
$146k
5,956 shares
-5%
26Weak
BEAMsell 510b5-1
Beam Therapeutics Inc.
Bethany J Cavanagh
SVP, Finance and Treasurer
$80k
3,242 shares
-6%
21Weak
BEAMsell 510b5-1
Beam Therapeutics Inc.
Amy Simon
Chief Medical Officer
$165k
6,700 shares
-6%
41Moderate
BEAMsell 510b5-1
Beam Therapeutics Inc.
John M. Evans
CEO
$739k
30,078 shares
-3%
30Weak
BEAMsell 510b5-1
Beam Therapeutics Inc.
John M. Evans
CEO
$1.1M
50,000 shares
-5%

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.

Amy Simon sold $429k of BEAM | InsiderTell