Insider: Greenstreet Yvonne  Chief Executive Officer - ALNYLAM PHARMACEUTICALS, INC.

Company Holdings
  Direct Indirect Ownership Total
Shares 62,361 0 62,361
Value $27,837,950.40 $0.00 $27,837,950.40
Trans. Date
Trans. Type
Shares
Ownership Type
Issue Type
Price
Trans. Value
Total Shares Owned
08/18/2025DDS195DirectCOM$450.92$87,929.4062,361
08/18/2025DDS450DirectCOM$449.92$202,464.0062,556
08/18/2025DDS194DirectCOM$447.98$86,908.1263,006
08/18/2025DDS60DirectCOM$455.82$27,349.2056,221
08/18/2025DDS514DirectCOM$451.99$232,322.8661,847
08/18/2025DDS1,204DirectCOM$454.84$547,627.3656,281
08/18/2025DDS2,716DirectCOM$454.04$1,233,172.6457,485
08/18/2025DDS1,646DirectCOM$452.96$745,572.1660,201
06/02/2025DDS19,297DirectCOM$306.00$5,904,882.0048,948
05/30/2025DDS25,469DirectCOM$304.00$7,742,576.0055,119
05/30/2025DDS6,171DirectCOM$306.00$1,888,326.0048,948
03/03/2025DDS1,173DirectCOM$243.36$285,461.28100,271
03/03/2025DDS1,068DirectCOM$242.37$258,851.16101,444
03/03/2025DDS580DirectCOM$245.26$142,250.8098,900
03/03/2025DDS791DirectCOM$244.41$193,328.3199,480
03/03/2025DDS4DirectCOM$248.36$993.4498,635
03/03/2025DDS23DirectCOM$247.35$5,689.0598,639
03/03/2025DDS238DirectCOM$246.18$58,590.8498,662
02/28/2025DDS127DirectCOM$239.18$30,375.8687,039
02/28/2025DDS158DirectCOM$236.51$37,368.5887,289
02/28/2025DDS284DirectCOM$240.32$68,250.8886,755
02/28/2025DDS123DirectCOM$238.33$29,314.5987,166
02/28/2025DDS461DirectCOM$241.51$111,336.1186,294
02/28/2025DDS1,093DirectCOM$242.44$264,986.9285,201
02/28/2025DDS214DirectCOM$244.11$52,239.5484,547
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust
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