Russell Low

CIK: 0001689237

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (21.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (21.1%)

Compensation grants

Other (G, F, J, C, D, …)11 (57.9%)

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

Companies & Roles (1)

ACLS

AXCELIS TECHNOLOGIES INC

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (19 total)

ACLS
AXCELIS TECHNOLOGIES INC
May 18, 2026
Tax Payment(F)
Direct
711 shares at avg. $146.24$104K
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2026
Award(A)
Direct
19.5K shares-
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2026
Award(A)
Direct
19.5K shares-
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2026
Tax Payment(F)
Direct
3.7K shares at avg. $155.18$577K
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $155.18$267K
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2026
Tax Payment(F)
Direct
1.5K shares at avg. $155.18$225K
ACLS
AXCELIS TECHNOLOGIES INC
May 6, 2026
Sale(S)
Direct
7.5K shares at avg. $156.75$1.2M
ACLS
AXCELIS TECHNOLOGIES INC
May 1, 2026
Sale(S)
Direct
1.2K shares at avg. $138.86$173K
ACLS
AXCELIS TECHNOLOGIES INC
Apr 1, 2026
Sale(S)
Direct
1.2K shares at avg. $94.06$117K
ACLS
AXCELIS TECHNOLOGIES INC
Mar 24, 2026
Sale(S)
Direct
1.2K shares at avg. $90.00$112K
ACLS
AXCELIS TECHNOLOGIES INC
Mar 2, 2026
Tax Payment(F)
Direct
5.2K shares at avg. $86.58$453K
ACLS
AXCELIS TECHNOLOGIES INC
May 17, 2025
Tax Payment(F)
Direct
947 shares at avg. $62.01$59K
ACLS
AXCELIS TECHNOLOGIES INC
May 16, 2025
Tax Payment(F)
Direct
712 shares at avg. $61.58$44K
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2025
Award(A)
Direct
30.7K shares-
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2025
Award(A)
Direct
30.7K shares-
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2025
Tax Payment(F)
Direct
1.7K shares at avg. $62.67$108K
ACLS
AXCELIS TECHNOLOGIES INC
May 15, 2025
Tax Payment(F)
Direct
1.5K shares at avg. $62.67$91K
ACLS
AXCELIS TECHNOLOGIES INC
Feb 28, 2025
Tax Payment(F)
Direct
3.9K shares at avg. $54.79$215K
ACLS
AXCELIS TECHNOLOGIES INC
Feb 28, 2025
Tax Payment(F)
Direct
5.2K shares at avg. $54.79$286K

		Type	Shares	Price		Ownership
May 18, 2026	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	711	$146.24	$103,977	Direct
May 15, 2026	ACLS AXCELIS TECHNOLOGIES INC	Award(A)	19,466	-	$0	Direct
May 15, 2026	ACLS AXCELIS TECHNOLOGIES INC	Award(A)	19,466	-	$0	Direct
May 15, 2026	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	3,716	$155.18	$576,649	Direct
May 15, 2026	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	1,722	$155.18	$267,220	Direct
May 15, 2026	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	1,453	$155.18	$225,477	Direct
May 6, 2026	ACLS AXCELIS TECHNOLOGIES INC	Sale(S)	7,468	$156.75	$1,170,609	Direct
May 1, 2026	ACLS AXCELIS TECHNOLOGIES INC	Sale(S)	1,244	$138.86	$172,742	Direct
Apr 1, 2026	ACLS AXCELIS TECHNOLOGIES INC	Sale(S)	1,244	$94.06	$117,011	Direct
Mar 24, 2026	ACLS AXCELIS TECHNOLOGIES INC	Sale(S)	1,244	$90.00	$111,960	Direct
Mar 2, 2026	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	5,227	$86.58	$452,554	Direct
May 17, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	947	$62.01	$58,723	Direct
May 16, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	712	$61.58	$43,845	Direct
May 15, 2025	ACLS AXCELIS TECHNOLOGIES INC	Award(A)	30,738	-	-	Direct
May 15, 2025	ACLS AXCELIS TECHNOLOGIES INC	Award(A)	30,738	-	-	Direct
May 15, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	1,722	$62.67	$107,918	Direct
May 15, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	1,453	$62.67	$91,060	Direct
Feb 28, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	3,923	$54.79	$214,941	Direct
Feb 28, 2025	ACLS AXCELIS TECHNOLOGIES INC	Tax Payment(F)	5,212	$54.79	$285,565	Direct

1-19 of 19 transactions

About Low Russell

Low Russell (SEC CIK 0001689237) files insider reports with the SEC as PRESIDENT AND CEO of AXCELIS TECHNOLOGIES INC (ACLS).

Signal8 holds 10 ownership filings by Low Russell, all Form 4s, filed between Mar 4, 2025 and May 20, 2026. Those filings report 19 transactions, from Feb 28, 2025 to May 18, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Low Russell's filings is in BEVERLY, MA.

Recent filings by Low Russell

May 18, 2026: Tax withholding of ACLS shares (Form 4, code F).
May 15, 2026: Grants or awards of ACLS shares (2 lines, Form 4, code A).
May 15, 2026: Tax withholdings of ACLS shares (3 lines, Form 4, code F).
May 6, 2026: Open-market sale of ACLS shares (Form 4, code S).
May 1, 2026: Open-market sale of ACLS shares (Form 4, code S).

Other insiders filing for AXCELIS TECHNOLOGIES INC (ACLS)

Redinbo Greg, EVP and Chief Strategy Officer
Tatnall Christopher, EVP Global Customer Operations
Ryzhik David, SVP Interim CFO
Blumenstock Gerald M, EVP, Research, Dev. & Eng.
Sayiner Necip, Director
Mahoney Robert John, EVP Global Operations

How to read Form 4 transaction codes