Brian E. Harding

CIK: 0001672993

Transaction Breakdown

Open Market Buys (P)1 (2.9%)

High conviction signal

Open Market Sales (S)26 (74.3%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (5.7%)

Compensation grants

Other (G, F, J, C, D, …)6 (17.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

UCTT

Ultra Clean Holdings, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (35 total)

UCTT
Ultra Clean Holdings, Inc.
Jul 2, 2026
Sale(S)
Direct
440 shares at avg. $126.92$56K
UCTT
Ultra Clean Holdings, Inc.
Jul 2, 2026
Sale(S)
Direct
1.2K shares at avg. $130.12$157K
UCTT
Ultra Clean Holdings, Inc.
Jul 2, 2026
Sale(S)
Direct
2.2K shares at avg. $128.37$282K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.2K shares at avg. $88.47$106K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
226 shares at avg. $87.71$20K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
381 shares at avg. $88.76$34K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
169 shares at avg. $89.67$15K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
375 shares at avg. $90.76$34K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
117 shares at avg. $91.63$11K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
496 shares at avg. $87.22$43K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1K shares at avg. $88.36$89K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.1K shares at avg. $89.33$94K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
986 shares at avg. $90.55$89K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
663 shares at avg. $91.38$61K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
196 shares at avg. $85.86$17K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.2K shares at avg. $87.72$103K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.9K shares at avg. $88.74$172K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.4K shares at avg. $89.73$126K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.9K shares at avg. $90.79$170K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
636 shares at avg. $91.65$58K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
488 shares at avg. $87.25$43K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
886 shares at avg. $89.36$79K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
1.3K shares at avg. $90.73$116K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
389 shares at avg. $91.59$36K
UCTT
Ultra Clean Holdings, Inc.
Jun 4, 2026
Sale(S)
Direct
54 shares at avg. $86.00$5K

		Type	Shares	Price		Ownership
Jul 2, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	440	$126.92	$55,843	Direct
Jul 2, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,203	$130.12	$156,539	Direct
Jul 2, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	2,194	$128.37	$281,638	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,199	$88.47	$106,076	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	226	$87.71	$19,822	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	381	$88.76	$33,818	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	169	$89.67	$15,154	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	375	$90.76	$34,035	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	117	$91.63	$10,721	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	496	$87.22	$43,261	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,002	$88.36	$88,537	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,056	$89.33	$94,332	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	986	$90.55	$89,282	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	663	$91.38	$60,585	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	196	$85.86	$16,829	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,176	$87.72	$103,159	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,933	$88.74	$171,534	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,407	$89.73	$126,250	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,876	$90.79	$170,322	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	636	$91.65	$58,289	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	488	$87.25	$42,578	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	886	$89.36	$79,173	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	1,277	$90.73	$115,862	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	389	$91.59	$35,629	Direct
Jun 4, 2026	UCTT Ultra Clean Holdings, Inc.	Sale(S)	54	$86.00	$4,644	Direct

1-25 of 35 transactions

About HARDING BRIAN E

HARDING BRIAN E (SEC CIK 0001672993) files insider reports with the SEC as Chief Accounting Officer of Ultra Clean Holdings, Inc. (UCTT).

Signal8 holds 9 ownership filings by HARDING BRIAN E, all Form 4s, filed between Mar 11, 2025 and Jul 7, 2026. Those filings report 35 transactions, from Mar 7, 2025 to Jul 2, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on HARDING BRIAN E's filings is in HAYWARD, CA.

Recent filings by HARDING BRIAN E

Jul 2, 2026: Open-market sales of UCTT shares (3 lines, Form 4, code S).
Jun 4, 2026: Open-market sales of UCTT shares (22 lines, Form 4, code S).

Other insiders filing for Ultra Clean Holdings, Inc. (UCTT)

Xiao Jinsong, Chief Executive Officer
DAVERN ALEXANDER M, Director
Keogh Michael Dennis, Chief Financial Officer
Cook Christopher S, President, Products Division
Savage Sheri, CFO
Cho Paul Yoonku, General Counsel and Secretary

How to read Form 4 transaction codes