Mark McKechnie

CIK: 0001775007

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)16 (61.5%)

Position reduction

Option Exercises (M)10 (38.5%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

ACMR

ACM Research, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (26 total)

ACMR
ACM Research, Inc.
Aug 20, 2026
Sale(S)
Direct
11.2K shares at avg. $77.89$873K
ACMR
ACM Research, Inc.
Aug 20, 2026
Sale(S)
Direct
30.4K shares at avg. $77.45$2.4M
ACMR
ACM Research, Inc.
Aug 20, 2026
Sale(S)
Direct
13.6K shares at avg. $76.34$1.0M
ACMR
ACM Research, Inc.
Aug 20, 2026
Exercise(M)
Direct
30.2K shares at avg. $19.49$589K
ACMR
ACM Research, Inc.
Aug 20, 2026
Exercise(M)
Direct
25K shares at avg. $13.89$347K
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
982 shares at avg. $46.55$46K
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
8.6K shares at avg. $44.94$388K
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
29.3K shares at avg. $45.74$1.3M
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
47.1K shares at avg. $45.74$2.2M
ACMR
ACM Research, Inc.
Mar 12, 2026
Exercise(M)
Direct
38.6K shares at avg. $19.49$751K
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
564 shares at avg. $46.57$26K
ACMR
ACM Research, Inc.
Mar 12, 2026
Exercise(M)
Direct
60K shares at avg. $13.89$833K
ACMR
ACM Research, Inc.
Mar 12, 2026
Sale(S)
Direct
11.9K shares at avg. $44.89$535K
ACMR
ACM Research, Inc.
Dec 8, 2025
Sale(S)
Direct
22.5K shares at avg. $35.45$798K
ACMR
ACM Research, Inc.
Dec 8, 2025
Exercise(M)
Direct
22.5K shares at avg. $25.45$573K
ACMR
ACM Research, Inc.
Dec 4, 2025
Exercise(M)
Direct
8.8K shares at avg. $4.55$40K
ACMR
ACM Research, Inc.
Dec 4, 2025
Sale(S)
Direct
7.8K shares at avg. $33.50$260K
ACMR
ACM Research, Inc.
Dec 4, 2025
Sale(S)
Direct
996 shares at avg. $34.26$34K
ACMR
ACM Research, Inc.
May 14, 2025
Sale(S)
Direct
15K shares at avg. $25.22$378K
ACMR
ACM Research, Inc.
May 14, 2025
Exercise(M)
Direct
15K shares at avg. $5.60$84K
ACMR
ACM Research, Inc.
Mar 12, 2025
Sale(S)
Direct
15K shares at avg. $27.42$411K
ACMR
ACM Research, Inc.
Mar 12, 2025
Exercise(M)
Direct
15K shares at avg. $5.60$84K
ACMR
ACM Research, Inc.
Feb 6, 2025
Sale(S)
Direct
15K shares at avg. $22.00$330K
ACMR
ACM Research, Inc.
Feb 6, 2025
Exercise(M)
Direct
15K shares at avg. $5.60$84K
ACMR
ACM Research, Inc.
Oct 4, 2024
Exercise(M)
Direct
16.5K shares at avg. $5.60$92K

		Type	Shares	Price		Ownership
Aug 20, 2026	ACMR ACM Research, Inc.	Sale(S)	11,209	$77.89	$873,069	Direct
Aug 20, 2026	ACMR ACM Research, Inc.	Sale(S)	30,365	$77.45	$2,351,769	Direct
Aug 20, 2026	ACMR ACM Research, Inc.	Sale(S)	13,625	$76.34	$1,040,133	Direct
Aug 20, 2026	ACMR ACM Research, Inc.	Exercise(M)	30,199	$19.49	$588,579	Direct
Aug 20, 2026	ACMR ACM Research, Inc.	Exercise(M)	25,000	$13.89	$347,250	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	982	$46.55	$45,712	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	8,639	$44.94	$388,237	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	29,348	$45.74	$1,342,378	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	47,108	$45.74	$2,154,720	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Exercise(M)	38,551	$19.49	$751,359	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	564	$46.57	$26,265	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Exercise(M)	60,000	$13.89	$833,400	Direct
Mar 12, 2026	ACMR ACM Research, Inc.	Sale(S)	11,910	$44.89	$534,640	Direct
Dec 8, 2025	ACMR ACM Research, Inc.	Sale(S)	22,500	$35.45	$797,625	Direct
Dec 8, 2025	ACMR ACM Research, Inc.	Exercise(M)	22,500	$25.45	$572,625	Direct
Dec 4, 2025	ACMR ACM Research, Inc.	Exercise(M)	8,750	$4.55	$39,813	Direct
Dec 4, 2025	ACMR ACM Research, Inc.	Sale(S)	7,754	$33.50	$259,759	Direct
Dec 4, 2025	ACMR ACM Research, Inc.	Sale(S)	996	$34.26	$34,123	Direct
May 14, 2025	ACMR ACM Research, Inc.	Sale(S)	15,000	$25.22	$378,300	Direct
May 14, 2025	ACMR ACM Research, Inc.	Exercise(M)	15,000	$5.60	$84,000	Direct
Mar 12, 2025	ACMR ACM Research, Inc.	Sale(S)	15,000	$27.42	$411,300	Direct
Mar 12, 2025	ACMR ACM Research, Inc.	Exercise(M)	15,000	$5.60	$84,000	Direct
Feb 6, 2025	ACMR ACM Research, Inc.	Sale(S)	15,000	$22.00	$330,000	Direct
Feb 6, 2025	ACMR ACM Research, Inc.	Exercise(M)	15,000	$5.60	$84,000	Direct
Oct 4, 2024	ACMR ACM Research, Inc.	Exercise(M)	16,516	$5.60	$92,490	Direct

1-25 of 26 transactions

About McKechnie Mark

McKechnie Mark (SEC CIK 0001775007) files insider reports with the SEC as Officer of ACM Research, Inc. (ACMR).

Signal8 holds 7 ownership filings by McKechnie Mark, all Form 4s, filed between Oct 8, 2024 and Aug 21, 2026. Those filings report 26 transactions, from Oct 4, 2024 to Aug 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on McKechnie Mark's filings is in FREMONT, CA.

Recent filings by McKechnie Mark

Aug 20, 2026: Open-market sales of ACMR shares (3 lines, Form 4, code S).
Aug 20, 2026: Option exercises of ACMR shares (2 lines, Form 4, code M).
Mar 12, 2026: Open-market sales of ACMR shares (4 lines, Form 4, code S).
Mar 12, 2026: Option exercise of ACMR shares (Form 4, code M).
Mar 12, 2026: Open-market sale of ACMR shares (Form 4, code S).

Other insiders filing for ACM Research, Inc. (ACMR)

How to read Form 4 transaction codes