Insider · CIK 0001979418

Blumenstock Gerald M

Reports to the SEC for 1 company · BEVERLY, MA

sec.gov

Transactions

Companies

Filings

CIK

0001979418

Forms 4 and 5

Insider transactions

18 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-06-15	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−506 sh	$191.60	−$96.9K	19,987
2026-05-21	ACLSAXCELIS TECHNOLOGIES INCS Sale	EVP, Research, Dev. & Eng.	SSale	−1,161 sh	$152.70	−$177K	20,493
2026-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+2,725 sh	—	—	20,018
2026-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+2,725 sh	—	—	22,743
2026-05-15	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−744 sh	$155.18	−$115K	21,999
2026-05-15	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−345 sh	$155.18	−$53.5K	21,654
2026-05-14	ACLSAXCELIS TECHNOLOGIES INCS Sale	EVP, Research, Dev. & Eng.	SSale	−1,015 sh	$162.31	−$165K	17,293
2026-03-02	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−1,121 sh	$86.58	−$97.1K	17,540
2025-12-11	ACLSAXCELIS TECHNOLOGIES INCS Sale	EVP, Research, Dev. & Eng.	SSale	−3,034 sh	$89.46	−$271K	18,661
2025-06-16	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−506 sh	$68.96	−$34.9K	21,695
2025-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+6,148 sh	—	—	16,398
2025-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+6,148 sh	—	—	22,546
2025-05-15	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−345 sh	$62.67	−$21.6K	22,201
2025-02-28	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−748 sh	$54.79	−$41K	10,250
2024-06-17	ACLSAXCELIS TECHNOLOGIES INCF Tax Payment	EVP, Research, Dev. & Eng.	FTax Payment	−308 sh	$138.02	−$42.5K	9,572
2024-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+2,849 sh	—	—	7,031
2024-05-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+2,849 sh	—	—	9,880
2023-06-15	ACLSAXCELIS TECHNOLOGIES INCA Award	EVP, Research, Dev. & Eng.	AAward	+4,182 sh	—	—	4,182

Recent filings

Accepted (ET)
Jun 164
Blumenstock Gerald M0001979418-26-000010
SEC(opens sec.gov)
May 224
Blumenstock Gerald M0001979418-26-000008
SEC(opens sec.gov)
May 194
Blumenstock Gerald M0001979418-26-000006
SEC(opens sec.gov)
May 154
Blumenstock Gerald M0001979418-26-000004
SEC(opens sec.gov)
Mar 34
Blumenstock Gerald M0001979418-26-000002
SEC(opens sec.gov)
Dec 124
Blumenstock Gerald M0001979418-25-000004
SEC(opens sec.gov)
Jun 174
Blumenstock Gerald M0001415889-25-017561
SEC(opens sec.gov)
May 194
Blumenstock Gerald M0001415889-25-013643
SEC(opens sec.gov)
Mar 44
Blumenstock Gerald M0001415889-25-006551
SEC(opens sec.gov)
Jun 184
Blumenstock Gerald M0001415889-24-017399
SEC(opens sec.gov)
May 154
Blumenstock Gerald M0001415889-24-013229
SEC(opens sec.gov)
Jun 154
Blumenstock Gerald M0001209191-23-037305
SEC(opens sec.gov)

Companies

AXCELIS TECHNOLOGIES INCEVP, Research, Dev. & Eng.ACLS

Address

C/O AXCELIS TECHNOLOGIES, INC. 108 CHERRY HILL DRIVE

BEVERLY, MA, 01915