GREENSTREET YVONNE

PrivateCIK: 1446125
Location

CAMBRIDGE, MA

GREENSTREET YVONNE (Chief Executive Officer) sold 3.0% of their position (2.93K shares) of ALNYLAM PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $947.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales
InsiderGREENSTREET YVONNECIK 1446125
DirectorOfficer· Chief Executive Officer
Since Mar 2026
-2.93K
Net shares
Net seller
$947.6K
Total sold
8
Open market trades
0B · 8S
8
Total transactions
2.93K disposed
Non-Derivative Transactions8

Common Stock

Direct
S · Sale

Shares

135.00

Price / share

$319.03

Trade value

$43.07K

% of position

0.1%
3/4/2026
98.63K98.49K

Common Stock

Direct
S · Sale

Shares

129.00

Price / share

$320.01

Trade value

$41.28K

% of position

0.1%
3/4/2026
98.49K98.36K

Common Stock

Direct
S · Sale

Shares

274.00

Price / share

$320.81

Trade value

$87.90K

% of position

0.3%
3/4/2026
98.36K98.09K

Common Stock

Direct
S · Sale

Shares

368.00

Price / share

$321.82

Trade value

$118.43K

% of position

0.4%
3/4/2026
98.09K97.72K

Common Stock

Direct
S · Sale

Shares

444.00

Price / share

$323.01

Trade value

$143.42K

% of position

0.5%
3/4/2026
97.72K97.28K

Common Stock

Direct
S · Sale

Shares

973.00

Price / share

$323.84

Trade value

$315.10K

% of position

1.0%
3/4/2026
97.28K96.31K

Common Stock

Direct
S · Sale

Shares

345.00

Price / share

$324.88

Trade value

$112.08K

% of position

0.4%
3/4/2026
96.31K95.96K

Common Stock

Direct
S · Sale

Shares

265.00

Price / share

$325.67

Trade value

$86.30K

% of position

0.3%
3/4/2026
95.96K95.69K
Total

Net shares

2.93K

Net value

-$947.58K

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned407.00
Total
407.00 indirect407.00
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
GREENSTREET YVONNE — Insider Transaction (Form 4) Filed Mar 6, 2026 | Finecho