ACLS

Axcelis Technologies INC

Insider trading activity for Axcelis Technologies INC, straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$5.8M

net selling

Bought(0 · 0 insiders): $0
Sold(19 · 13 insiders): $5.8M

Past 12 months

-$6.4M

net selling

Bought(0 · 0 insiders): $0
Sold(23 · 13 insiders): $6.4M

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 15	Tatnall Christopher	EVP Global Customer…	FTAX	136	$105.04	$14.3K	-0.5%	Open the original filing on SEC.gov
Sep 15	Redinbo Greg	EVP and Chief Strategy…	FTAX	208	$105.04	$21.8K	-0.6%	Open the original filing on SEC.gov
Jul 15	Ryzhik David	SVP Interim CFO	FTAX	94	$145.01	$13.6K	-0.9%	Open the original filing on SEC.gov
Jul 15	Ryzhik David	SVP Interim CFO	FTAX	127	$145.01	$18.4K	-1.3%	Open the original filing on SEC.gov
Jun 16	Ryzhik David	SVP Interim CFO	FTAX	76	$176.85	$13.4K	-0.8%	Open the original filing on SEC.gov
Jun 15	Blumenstock Gerald M	EVP, Research, Dev. &…	FTAX	506	$191.60	$96.9K	-2.5%	Open the original filing on SEC.gov
Jun 3	Sayiner Necip	Director	SSELL	1,586	$157.44	$249.7K	-18.2%	Open the original filing on SEC.gov
Jun 2	Mahoney Robert John	EVP Global Operations	SSELL	1,155	$155.24	$179.3K	-7.4%	Open the original filing on SEC.gov
May 27	Sutton Todd	VP Corporate Controller	SSELL	2,000	$159.99	$320K	-23.9%	Open the original filing on SEC.gov
May 22	Evans Eileen	EVP, General Counsel…	SSELL	926	$155.51	$144K	-2.9%	Open the original filing on SEC.gov
May 22	St Dennis Thomas	Director	SSELL	900	$155.37	$139.8K	-4.8%	Open the original filing on SEC.gov
May 21	Blumenstock Gerald M	EVP, Research, Dev. &…	SSELL	1,161	$152.70	$177.3K	-5.4%	Open the original filing on SEC.gov
May 20	Tatnall Christopher	EVP Global Customer…	SSELL	1,166	$149.75	$174.6K	-4.0%	Open the original filing on SEC.gov
May 19	Quirk Jeanne	Director	SSELL	1,789	$140.22	$250.9K	-13.6%	Open the original filing on SEC.gov
May 19	Graves Gregory B	Director	SSELL	600	$142.51	$85.5K	-9.9%	Open the original filing on SEC.gov
May 19	Graves Gregory B	Director	SSELL	2,625	$141.41	$371.2K	-30.2%	Open the original filing on SEC.gov
May 19	Kurtzweil John T	Director	SSELL	3,500	$138.79	$485.8K	-9.6%	Open the original filing on SEC.gov
May 18	Sutton Todd	VP Corporate Controller	FTAX	184	$146.24	$26.9K	-2.1%	Open the original filing on SEC.gov
May 18	Mahoney Robert John	EVP Global Operations	FTAX	130	$146.24	$19K	-0.8%	Open the original filing on SEC.gov
May 18	Mahoney Robert John	EVP Global Operations	FTAX	182	$146.24	$26.6K	-1.1%	Open the original filing on SEC.gov
May 18	Redinbo Greg	EVP Marketing and…	FTAX	79	$146.24	$11.6K	-0.2%	Open the original filing on SEC.gov
May 18	Redinbo Greg	EVP Marketing and…	FTAX	111	$146.24	$16.2K	-0.3%	Open the original filing on SEC.gov
May 18	Low Russell	President and CEO	FTAX	711	$146.24	$104K	-0.5%	Open the original filing on SEC.gov
May 15	Quirk Jeanne	Director	AGRANT	1,440	—	—	+12.3%	Open the original filing on SEC.gov
May 15	Chiu Tzu Yin	Director	AGRANT	1,440	—	—	+13.8%	Open the original filing on SEC.gov
May 15	Titinger Jorge	Director	AGRANT	1,440	—	—	+32.2%	Open the original filing on SEC.gov
May 15	St Dennis Thomas	Director	AGRANT	1,440	—	—	+8.4%	Open the original filing on SEC.gov
May 15	Sayiner Necip	Director	AGRANT	1,440	—	—	+19.8%	Open the original filing on SEC.gov
May 15	Graves Gregory B	Director	AGRANT	1,440	—	—	+19.8%	Open the original filing on SEC.gov
May 15	Kurtzweil John T	Director	AGRANT	1,440	—	—	+4.1%	Open the original filing on SEC.gov
May 15	Sutton Todd	VP Corporate Controller	FTAX	103	$155.18	$16K	-1.2%	Open the original filing on SEC.gov
May 15	Sutton Todd	VP Corporate Controller	FTAX	112	$155.18	$17.4K	-1.3%	Open the original filing on SEC.gov
May 15	Sutton Todd	VP Corporate Controller	FTAX	226	$155.18	$35.1K	-2.5%	Open the original filing on SEC.gov
May 15	Sutton Todd	VP Corporate Controller	AGRANT	1,168	—	—	+14.9%	Open the original filing on SEC.gov
May 15	Ryzhik David	SVP Interim CFO	FTAX	226	$155.18	$35.1K	-2.2%	Open the original filing on SEC.gov
May 15	Ryzhik David	SVP Interim CFO	AGRANT	3,115	—	—	+43.6%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	FTAX	61	$155.18	$9.5K	-0.4%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	FTAX	170	$155.18	$26.4K	-1.1%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	FTAX	173	$155.18	$26.8K	-1.1%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	FTAX	372	$155.18	$57.7K	-2.2%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	AGRANT	1,947	—	—	+13.2%	Open the original filing on SEC.gov
May 15	Mahoney Robert John	EVP Global Operations	AGRANT	1,947	—	—	+15.3%	Open the original filing on SEC.gov
May 15	Tatnall Christopher	EVP Global Customer…	FTAX	170	$155.18	$26.4K	-0.6%	Open the original filing on SEC.gov
May 15	Tatnall Christopher	EVP Global Customer…	FTAX	345	$155.18	$53.5K	-1.2%	Open the original filing on SEC.gov
May 15	Tatnall Christopher	EVP Global Customer…	FTAX	744	$155.18	$115.5K	-2.5%	Open the original filing on SEC.gov
May 15	Tatnall Christopher	EVP Global Customer…	AGRANT	3,504	—	—	+13.2%	Open the original filing on SEC.gov
May 15	Tatnall Christopher	EVP Global Customer…	AGRANT	3,504	—	—	+15.2%	Open the original filing on SEC.gov
May 15	Blumenstock Gerald M	EVP, Research, Dev. &…	FTAX	345	$155.18	$53.5K	-1.6%	Open the original filing on SEC.gov
May 15	Blumenstock Gerald M	EVP, Research, Dev. &…	FTAX	744	$155.18	$115.5K	-3.3%	Open the original filing on SEC.gov
May 15	Blumenstock Gerald M	EVP, Research, Dev. &…	AGRANT	2,725	—	—	+13.6%	Open the original filing on SEC.gov
May 15	Blumenstock Gerald M	EVP, Research, Dev. &…	AGRANT	2,725	—	—	+15.8%	Open the original filing on SEC.gov
May 15	Redinbo Greg	EVP Marketing and…	FTAX	177	$155.18	$27.5K	-0.5%	Open the original filing on SEC.gov
May 15	Redinbo Greg	EVP Marketing and…	FTAX	210	$155.18	$32.6K	-0.6%	Open the original filing on SEC.gov
May 15	Redinbo Greg	EVP Marketing and…	FTAX	452	$155.18	$70.1K	-1.3%	Open the original filing on SEC.gov
May 15	Redinbo Greg	EVP Marketing and…	AGRANT	3,115	—	—	+9.5%	Open the original filing on SEC.gov
May 15	Redinbo Greg	EVP Marketing and…	AGRANT	3,115	—	—	+10.4%	Open the original filing on SEC.gov
May 15	Evans Eileen	EVP, General Counsel…	FTAX	867	$155.18	$134.5K	-2.6%	Open the original filing on SEC.gov
May 15	Evans Eileen	EVP, General Counsel…	AGRANT	3,893	—	—	+13.3%	Open the original filing on SEC.gov
May 15	Evans Eileen	EVP, General Counsel…	AGRANT	3,893	—	—	+15.4%	Open the original filing on SEC.gov
May 15	Low Russell	President and CEO	FTAX	1,453	$155.18	$225.5K	-0.9%	Open the original filing on SEC.gov
May 15	Low Russell	President and CEO	FTAX	1,722	$155.18	$267.2K	-1.1%	Open the original filing on SEC.gov
May 15	Low Russell	President and CEO	FTAX	3,716	$155.18	$576.6K	-2.3%	Open the original filing on SEC.gov
May 15	Low Russell	President and CEO	AGRANT	19,466	—	—	+13.6%	Open the original filing on SEC.gov
May 15	Low Russell	President and CEO	AGRANT	19,466	—	—	+15.8%	Open the original filing on SEC.gov
May 14	Sutton Todd	VP Corporate Controller	SSELL	2,574	$163.89	$421.9K	-24.8%	Open the original filing on SEC.gov
May 14	Blumenstock Gerald M	EVP, Research, Dev. &…	SSELL	1,015	$162.32	$164.7K	-5.5%	Open the original filing on SEC.gov
May 13	Redinbo Greg	EVP Marketing and…	SSELL	2,883	$160.85	$463.7K	-8.8%	Open the original filing on SEC.gov
May 13	Titinger Jorge	Director	SSELL	2,000	$164.14	$328.3K	-30.9%	Open the original filing on SEC.gov
May 12	Mahoney Robert John	EVP Global Operations	SSELL	2,258	$161.00	$363.5K	-15.0%	Open the original filing on SEC.gov
May 6	Low Russell	President and CEO	SSELL◷	7,468	$156.75	$1.2M	-5.7%	Open the original filing on SEC.gov
May 1	Low Russell	President and CEO	SSELL◷	1,244	$138.86	$172.7K	-0.9%	Open the original filing on SEC.gov
Apr 20	Tatnall Christopher	EVP Global Customer…	FTAX	907	$131.02	$118.8K	-3.8%	Open the original filing on SEC.gov
Apr 1	Low Russell	President and CEO	SSELL◷	1,244	$94.06	$117K	-0.9%	Open the original filing on SEC.gov
Mar 24	Low Russell	President and CEO	SSELL◷	1,244	$90.00	$112K	-0.9%	Open the original filing on SEC.gov
Mar 2	Mahoney Robert John	EVP Global Operations	FTAX	573	$86.58	$49.6K	-3.8%	Open the original filing on SEC.gov
Mar 2	Tatnall Christopher	EVP Global Customer…	FTAX	1,121	$86.58	$97.1K	-4.6%	Open the original filing on SEC.gov
Mar 2	Blumenstock Gerald M	EVP, Research, Dev. &…	FTAX	1,121	$86.58	$97.1K	-6.0%	Open the original filing on SEC.gov
Mar 2	Redinbo Greg	EVP Marketing and…	FTAX	723	$86.58	$62.6K	-2.2%	Open the original filing on SEC.gov
Mar 2	Coogan James Gordon	EVP and CFO	FTAX	1,800	$86.58	$155.8K	-4.6%	Open the original filing on SEC.gov
Mar 2	Low Russell	President and CEO	FTAX	5,227	$86.58	$452.6K	-3.8%	Open the original filing on SEC.gov
Feb 20	Titinger Jorge	Director	SSELL	1,000	$80.00	$80K	-13.4%	Open the original filing on SEC.gov
Jan 15	Mahoney Robert John	EVP Global Operations	AGRANT	1,734	—	—	+12.9%	Open the original filing on SEC.gov
Dec 17, 2025	Titinger Jorge	Director	SSELL	2,000	$86.05	$172.1K	-21.1%	Open the original filing on SEC.gov
Dec 16, 2025	Evans Eileen	EVP, General Counsel…	FTAX	1,378	$86.32	$118.9K	-5.3%	Open the original filing on SEC.gov
Dec 11, 2025	Blumenstock Gerald M	EVP, Research, Dev. &…	SSELL	3,034	$89.46	$271.4K	-14.0%	Open the original filing on SEC.gov
Oct 16, 2025	Coogan James Gordon	EVP and CFO	FTAX	713	$83.62	$59.6K	-1.8%	Open the original filing on SEC.gov
Sep 15, 2025	Tatnall Christopher	EVP Global Customer…	FTAX	137	$87.30	$12K	-0.6%	Open the original filing on SEC.gov
Sep 15, 2025	Redinbo Greg	EVP Marketing and…	FTAX	208	$87.30	$18.2K	-0.6%	Open the original filing on SEC.gov
Jun 16, 2025	Blumenstock Gerald M	EVP, Research, Dev. &…	FTAX	506	$68.96	$34.9K	-2.3%	Open the original filing on SEC.gov
Jun 16, 2025	Redinbo Greg	EVP Marketing and…	FTAX	734	$68.96	$50.6K	-2.2%	Open the original filing on SEC.gov
May 20, 2025	Kurtzweil John T	Director	SSELL	1,682	$61.93	$104.2K	-4.6%	Open the original filing on SEC.gov
May 17, 2025	Low Russell	President and CEO	FTAX	947	$62.01	$58.7K	-0.7%	Open the original filing on SEC.gov
May 16, 2025	Redinbo Greg	EVP Marketing and…	FTAX	190	$61.58	$11.7K	-0.6%	Open the original filing on SEC.gov
May 16, 2025	Low Russell	President and CEO	FTAX	712	$61.58	$43.8K	-0.5%	Open the original filing on SEC.gov
May 15, 2025	Evans Eileen	EVP, General Counsel…	AGRANT	7,172	—	—	+38.5%	Open the original filing on SEC.gov
May 15, 2025	Evans Eileen	EVP, General Counsel…	AGRANT	7,172	—	—	+62.7%	Open the original filing on SEC.gov
May 15, 2025	Chiu Tzu Yin	Director	AGRANT	3,586	—	—	+52.6%	Open the original filing on SEC.gov
May 15, 2025	Sayiner Necip	Director	AGRANT	3,586	—	—	+97.7%	Open the original filing on SEC.gov
May 15, 2025	Graves Gregory B	Director	AGRANT	3,586	—	—	+97.7%	Open the original filing on SEC.gov
May 15, 2025	Quirk Jeanne	Director	AGRANT	3,586	—	—	+43.9%	Open the original filing on SEC.gov

FTAX$14.3K

Tatnall Christopher · EVP Global Custome…Sep 15

136 sh @ $105.04 · -0.5% own

FTAX$21.8K

Redinbo Greg · EVP and Chief…Sep 15

208 sh @ $105.04 · -0.6% own

FTAX$13.6K

Ryzhik David · SVP Interim CFOJul 15

94 sh @ $145.01 · -0.9% own

FTAX$18.4K

Ryzhik David · SVP Interim CFOJul 15

127 sh @ $145.01 · -1.3% own

FTAX$13.4K

Ryzhik David · SVP Interim CFOJun 16

76 sh @ $176.85 · -0.8% own

FTAX$96.9K

Blumenstock Gerald M · EVP, Research,…Jun 15

506 sh @ $191.60 · -2.5% own

SSELL$249.7K

Sayiner Necip · DirectorJun 3

1,586 sh @ $157.44 · -18.2% own

SSELL$179.3K

Mahoney Robert John · EVP Global Operati…Jun 2

1,155 sh @ $155.24 · -7.4% own

SSELL$320K

Sutton Todd · VP Corporate…May 27

2,000 sh @ $159.99 · -23.9% own

SSELL$144K

Evans Eileen · EVP, General…May 22

926 sh @ $155.51 · -2.9% own

SSELL$139.8K

St Dennis Thomas · DirectorMay 22

900 sh @ $155.37 · -4.8% own

SSELL$177.3K

Blumenstock Gerald M · EVP, Research,…May 21

1,161 sh @ $152.70 · -5.4% own

SSELL$174.6K

Tatnall Christopher · EVP Global Custome…May 20

1,166 sh @ $149.75 · -4.0% own

SSELL$250.9K

Quirk Jeanne · DirectorMay 19

1,789 sh @ $140.22 · -13.6% own

SSELL$85.5K

Graves Gregory B · DirectorMay 19

600 sh @ $142.51 · -9.9% own

SSELL$371.2K

Graves Gregory B · DirectorMay 19

2,625 sh @ $141.41 · -30.2% own

SSELL$485.8K

Kurtzweil John T · DirectorMay 19

3,500 sh @ $138.79 · -9.6% own

FTAX$26.9K

Sutton Todd · VP Corporate…May 18

184 sh @ $146.24 · -2.1% own

FTAX$19K

Mahoney Robert John · EVP Global Operati…May 18

130 sh @ $146.24 · -0.8% own

FTAX$26.6K

Mahoney Robert John · EVP Global Operati…May 18

182 sh @ $146.24 · -1.1% own

FTAX$11.6K

Redinbo Greg · EVP Marketing and…May 18

79 sh @ $146.24 · -0.2% own

FTAX$16.2K

Redinbo Greg · EVP Marketing and…May 18

111 sh @ $146.24 · -0.3% own

FTAX$104K

Low Russell · President and CEOMay 18

711 sh @ $146.24 · -0.5% own

AGRANT—

Quirk Jeanne · DirectorMay 15

1,440 sh · +12.3% own

AGRANT—

Chiu Tzu Yin · DirectorMay 15

1,440 sh · +13.8% own

AGRANT—

Titinger Jorge · DirectorMay 15

1,440 sh · +32.2% own

AGRANT—

St Dennis Thomas · DirectorMay 15

1,440 sh · +8.4% own

AGRANT—

Sayiner Necip · DirectorMay 15

1,440 sh · +19.8% own

AGRANT—

Graves Gregory B · DirectorMay 15

1,440 sh · +19.8% own

AGRANT—

Kurtzweil John T · DirectorMay 15

1,440 sh · +4.1% own

FTAX$16K

Sutton Todd · VP Corporate…May 15

103 sh @ $155.18 · -1.2% own

FTAX$17.4K

Sutton Todd · VP Corporate…May 15

112 sh @ $155.18 · -1.3% own

FTAX$35.1K

Sutton Todd · VP Corporate…May 15

226 sh @ $155.18 · -2.5% own

AGRANT—

Sutton Todd · VP Corporate…May 15

1,168 sh · +14.9% own

FTAX$35.1K

Ryzhik David · SVP Interim CFOMay 15

226 sh @ $155.18 · -2.2% own

AGRANT—

Ryzhik David · SVP Interim CFOMay 15

3,115 sh · +43.6% own

FTAX$9.5K

Mahoney Robert John · EVP Global Operati…May 15

61 sh @ $155.18 · -0.4% own

FTAX$26.4K

Mahoney Robert John · EVP Global Operati…May 15

170 sh @ $155.18 · -1.1% own

FTAX$26.8K

Mahoney Robert John · EVP Global Operati…May 15

173 sh @ $155.18 · -1.1% own

FTAX$57.7K

Mahoney Robert John · EVP Global Operati…May 15

372 sh @ $155.18 · -2.2% own

AGRANT—

Mahoney Robert John · EVP Global Operati…May 15

1,947 sh · +13.2% own

AGRANT—

Mahoney Robert John · EVP Global Operati…May 15

1,947 sh · +15.3% own

FTAX$26.4K

Tatnall Christopher · EVP Global Custome…May 15

170 sh @ $155.18 · -0.6% own

FTAX$53.5K

Tatnall Christopher · EVP Global Custome…May 15

345 sh @ $155.18 · -1.2% own

FTAX$115.5K

Tatnall Christopher · EVP Global Custome…May 15

744 sh @ $155.18 · -2.5% own

AGRANT—

Tatnall Christopher · EVP Global Custome…May 15

3,504 sh · +13.2% own

AGRANT—

Tatnall Christopher · EVP Global Custome…May 15

3,504 sh · +15.2% own

FTAX$53.5K

Blumenstock Gerald M · EVP, Research,…May 15

345 sh @ $155.18 · -1.6% own

FTAX$115.5K

Blumenstock Gerald M · EVP, Research,…May 15

744 sh @ $155.18 · -3.3% own

AGRANT—

Blumenstock Gerald M · EVP, Research,…May 15

2,725 sh · +13.6% own

AGRANT—

Blumenstock Gerald M · EVP, Research,…May 15

2,725 sh · +15.8% own

FTAX$27.5K