WADDILL WILLIAM D.

PrivateCIK: 1553338
Location

SO. SAN FRANCISCO, CA

WADDILL WILLIAM D. sold 12.9% of their position (8.37K shares) of ARROWHEAD PHARMACEUTICALS, INC. on the open market

Open‑market sale worth $566.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderWADDILL WILLIAM D.CIK 1553338
Director
Since Jan 2019
-8.37K
Net shares
Net seller
$566.0K
Total sold
3
Open market trades
0B · 3S
3
Total transactions
8.37K disposed
Non-Derivative Transactions3

Common Stock

Direct
S · Sale

Shares

2.42K

Price / share

$66.66

Trade value

$161.05K

% of position

3.7%
12/19/2025
64.93K62.51K

Common Stock

Direct
S · Sale

Shares

5.45K

Price / share

$68.01

Trade value

$370.72K

% of position

8.7%
12/19/2025
62.51K57.06K

Common Stock

Direct
S · Sale

Shares

500.00

Price / share

$68.53

Trade value

$34.27K

% of position

0.9%
12/19/2025
57.06K56.56K
Total

Net shares

8.37K

Net value

-$566.04K

Derivative Transactions0
No derivative transactions reported
WADDILL WILLIAM D. — Insider Transaction (Form 4) Filed Dec 23, 2025 | Finecho