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sellModerate cluster of 710b5-1 plan

Tolga Tanguler sold $1.6M of ALNY

EVP, Chief Commercial Officer at ALNYLAM PHARMACEUTICALS, INC.. 3,474 shares at an average of $448.37, traded Aug 29, 2025, filed Sep 2, 2025.

Warning score
40
Value
$1.6M
3,474 shares
Holdings after
25,992
-12% from before
From 52-week low
+99%
low $224.32, close $446.51
From 52-week high
-5%
high $467.55, as of Aug 29, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.6M at market
    +25
  • Share of holdings sold
    Sold 12% of holdings
    +5
  • Cluster
    7 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.

ALNYOct 9, 2026 · close 232.68
Since filing Sep 2, 2025: -47.9%SPY +23.3% · excess -71.2%

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 0001735276-25-000094, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-195$445.53$87k29,271Sep 2, 2025
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-899$446.98$402k28,372Sep 2, 2025
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-1,289$448.05$578k27,083Sep 2, 2025
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-681$449.54$306k26,402Sep 2, 2025
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-266$451.52$120k26,136Sep 2, 2025
Aug 29, 2025SOpen-market sale
Common Stock10b5-1
-144$452.49$65k25,992Sep 2, 2025

Related signals

Other insiders at ALNYLAM PHARMACEUTICALS, INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
36Weak
ALNYsell
ALNYLAM PHARMACEUTICALS, INC.
Bryan Supran
EVP, CLO and Secretary
$399k
1,758 shares
-12%
23Weak
ALNYsell 210b5-1
ALNYLAM PHARMACEUTICALS, INC.
Kevin Joseph Fitzgerald
CSO & EVP, Head of Research
$5.5M
12,128 shares
-36%
33Weak
ALNYsell 210b5-1
ALNYLAM PHARMACEUTICALS, INC.
Yvonne Greenstreet
Chief Executive Officer
$12M
25,650 shares
-32%
40Moderate
ALNYsell 510b5-1
ALNYLAM PHARMACEUTICALS, INC.
Pushkal Garg
EVP Chief R&D
$2.7M
5,959 shares
-23%
55Moderate
ALNYsell 5
ALNYLAM PHARMACEUTICALS, INC.
Kevin Joseph Fitzgerald
CSO & EVP, Head of Research
$1.1M
2,441 shares
-9%
50Moderate
ALNYsell 5
ALNYLAM PHARMACEUTICALS, INC.
Tolga Tanguler
EVP, Chief Commercial Officer
$635k
1,405 shares
-5%
70Notable
ALNYsell 5
ALNYLAM PHARMACEUTICALS, INC.
Yvonne Greenstreet
Chief Executive Officer
$4.0M
8,924 shares
-12%
62Notable
ALNYsell 5
ALNYLAM PHARMACEUTICALS, INC.
Jeffrey V. Poulton
EVP, Chief Financial Officer
$1.7M
3,821 shares
-7%
33Weak
ALNYsell 210b5-1
ALNYLAM PHARMACEUTICALS, INC.
Colleen F Reitan
director
$8.4M
18,000 shares
-96%
30Weak
ALNYsell 710b5-1
ALNYLAM PHARMACEUTICALS, INC.
Michael W Bonney
director
$5.1M
11,250 shares
-40%

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.

Tolga Tanguler sold $1.6M of ALNY | InsiderTell