HARDING BRIAN E

PrivateCIK: 1672993
Location

WILSONVILLE, OR

HARDING BRIAN E (Chief Accounting Officer) sold 9.8% of their position (4K shares) of ULTRA CLEAN HOLDINGS, INC. on the open market

Open‑market sale worth $320.0K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderHARDING BRIAN ECIK 1672993
Officer· Chief Accounting Officer
Since Jun 2022
-4K
Net shares
Net seller
$320.0K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
4K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

4K

Price / share

$80.00

Trade value

$320K

% of position

9.8%
5/5/2026
40.63K36.63K
Total

Net shares

4K

Net value

-$320K

Derivative Transactions0
No derivative transactions reported
HARDING BRIAN E — Insider Transaction (Form 4) Filed May 8, 2026 | Finecho