PYOTT DAVID E I

PrivateCIK: 1051578
Location

CAMBRIDGE, MA

PYOTT DAVID E I sold 70.8% of their position (3.83K shares) of ALNYLAM PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $1.15M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 5 sales
InsiderPYOTT DAVID E ICIK 1051578
Director
Since Jul 2019
-3.83K
Net shares
Net seller
$1.15M
Total sold
5
Open market trades
0B · 5S
7
Total transactions
3.83K acquired · 7.66K disposed
Non-Derivative Transactions6

Common Stock

Direct
M · Option Exercise

Shares

+3.83K

Price / share

Trade value

% of position

242.1%
6/1/2026
1.58K5.41K

Common Stock

Direct
S · Sale

Shares

921.00

Price / share

$297.71

Trade value

$274.19K

% of position

17.0%
6/1/2026
5.41K4.49K

Common Stock

Direct
S · Sale

Shares

1.18K

Price / share

$298.91

Trade value

$351.22K

% of position

26.2%
6/1/2026
4.49K3.32K

Common Stock

Direct
S · Sale

Shares

1.22K

Price / share

$299.87

Trade value

$366.44K

% of position

36.9%
6/1/2026
3.32K2.09K

Common Stock

Direct
S · Sale

Shares

495.00

Price / share

$300.72

Trade value

$148.86K

% of position

23.6%
6/1/2026
2.09K1.60K

Common Stock

Direct
S · Sale

Shares

17.00

Price / share

$302.65

Trade value

$5.15K

% of position

1.1%
6/1/2026
1.60K1.58K
Total

Net shares

+0.00

Net value

-$1.15M

Derivative Transactions1

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

3.83K shares

Shares

3.83K

Strike price

70.20

Held after

0.00

Exercisable

6/1/2026
Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect
Shares owned27.90K
Total
27.90K indirect27.90K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
PYOTT DAVID E I — Insider Transaction (Form 4) Filed Jun 3, 2026 | Finecho