Axcelis Technologies Inc (ACLS)

Axcelis Technologies Inc. experienced multiple divestments by corporate officers and directors between May 19 and June 3, 2026. These transactions involved various executives offloading shares through scheduled sales. As the most recent activity occurred over three months ago, no current market trends are discussed regarding these historical equity movements.
Ticker: ACLS Exchange: NSM


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Insider trades have triggered activity signals for Axcelis Technologies Inc. Upgrade to see score, net flow, insiders and the full signal context.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.9
Sayiner Necip Non-Executive Director
Transaction date
Sale
Price
213.23
Quantity 8,996 +3.0%
Value US$1,780,684
2.9
NECIP SAYINER Director Non-Executive Director
Transaction date
Proposed sale
Price
139.70
Quantity 55,349
Value US$4,770,348
2.8
Mahoney Robert John EVP Global Operations Officer
Transaction date
Sale
Price
192.89
Quantity 99,270 -16.6%
Value US$2,295,785
2.8
ROBERT MAHONEY Officer Officer
Transaction date
Proposed sale
Price
155.24
Quantity 1,155
Value US$179,302
2.5
Sutton Todd VP Corporate Controller Officer
Transaction date
Sale
Price
159.99
Quantity 2,000 -23.9%
Value US$319,980
2.5
TODD SUTTON Officer Officer
Transaction date
Proposed sale
Price
159.99
Quantity 2,000
Value US$319,980
2.7
St Dennis Thomas Non-Executive Director
Transaction date
Sale
Price
155.37
Quantity 900 -4.8%
Value US$139,833
Evans Eileen EVP, General Counsel and Sec'y Officer
Transaction date
Sale
Price
155.51
Quantity 926 -2.9%
Value US$143,998
2.7
THOMAS M. ST. DENNIS Director Non-Executive Director
Transaction date
Proposed sale
Price
155.37
Quantity 900
Value US$139,833
EILEEN EVANS Officer Officer
Transaction date
Proposed sale
Price
155.51
Quantity 926
Value US$143,998
2.3
Blumenstock Gerald M EVP, Research, Dev. & Eng. Officer
Transaction date
Sale
Price
152.70
Quantity 1,161 -5.4%
Value US$177,285
2.3
GERALD BLUMENSTOCK Officer Officer
Transaction date
Proposed sale
Price
152.70
Quantity 1,161
Value US$177,285
Tatnall Christopher EVP Global Customer Operations Officer
Transaction date
Sale
Price
149.75
Quantity 1,166 -4.0%
Value US$174,608
CHRISTOPHER TATNALL Officer Officer
Transaction date
Proposed sale
Price
149.75
Quantity 1,166
Value US$174,608
3.1
GRAVES GREGORY B Non-Executive Director
Transaction date
Sale
Price
142.51
Quantity 600 -9.9%
Value US$85,509
3.1
GRAVES GREGORY B Non-Executive Director
Transaction date
Sale
Price
141.41
Quantity 2,625 -30.2%
Value US$371,188
2.2
Quirk Jeanne Non-Executive Director
Transaction date
Sale
Price
140.22
Quantity 1,789 -13.6%
Value US$250,854
2.3
KURTZWEIL JOHN T Non-Executive Director
Transaction date
Sale
Price
138.79
Quantity 3,500 -9.6%
Value US$485,771
3.1
GREGORY GRAVES Director Non-Executive Director
Transaction date
Proposed sale
Price
141.61
Quantity 3,225
Value US$456,697
2.2
JEANNE QUIRK Director Non-Executive Director
Transaction date
Proposed sale
Price
140.22
Quantity 1,789
Value US$250,854
2.3
JOHN THOMAS KURTZWEIL Director Non-Executive Director
Transaction date
Proposed sale
Price
138.79
Quantity 3,500
Value US$485,771
2.5
Sutton Todd VP Corporate Controller Officer
Transaction date
Sale
Price
163.89
Quantity 2,574 -24.8%
Value US$421,865
2.3
Blumenstock Gerald M EVP, Research, Dev. & Eng. Officer
Transaction date
Sale
Price
162.32
Quantity 1,015 -5.5%
Value US$164,750
2.5
TODD SUTTON Officer Officer
Transaction date
Proposed sale
Price
163.85
Quantity 2,574
Value US$421,749
2.3
GERALD BLUMENSTOCK Officer Officer
Transaction date
Proposed sale
Price
162.32
Quantity 1,015
Value US$164,750
3.2
Titinger Jorge Non-Executive Director
Transaction date
Sale
Price
164.14
Quantity 2,000 -30.9%
Value US$328,280
2.8
Redinbo Greg EVP MARKETING AND APPLICATIONS Officer
Transaction date
Sale
Price
160.85
Quantity 2,883 -8.8%
Value US$463,731
3.2
JORGE TITINGER Director Non-Executive Director
Transaction date
Proposed sale
Price
164.14
Quantity 2,000
Value US$328,280
2.8
GREGORY F REDINBO Officer Officer
Transaction date
Proposed sale
Price
160.85
Quantity 2,883
Value US$463,731
2.8
Mahoney Robert John EVP Global Operations Officer
Transaction date
Sale
Price
161.00
Quantity 2,258 -15.0%
Value US$363,538
2.8
ROBERT MAHONEY Officer Officer
Transaction date
Proposed sale
Price
161.00
Quantity 2,258
Value US$363,538
2.3
Low Russell PRESIDENT AND CEO Executive Director
Transaction date
Planned sale
Price
156.75
Quantity 7,468 -5.7%
Value US$1,170,609
2.3
RUSSELL LOW Officer Officer
Transaction date
Proposed sale
Price
139.70
Quantity 7,468
Value US$1,043,280
2.3
Low Russell PRESIDENT AND CEO Executive Director
Transaction date
Planned sale
Price
138.86
Quantity 1,244 -0.9%
Value US$172,742
2.3
RUSSELL LOW Officer Officer
Transaction date
Proposed sale
Price
139.11
Quantity 1,244
Value US$173,053
2.3
Low Russell PRESIDENT AND CEO Executive Director
Transaction date
Planned sale
Price
94.06
Quantity 1,244 -0.9%
Value US$117,011
2.3
RUSSELL LOW Officer Officer
Transaction date
Proposed sale
Price
93.08
Quantity 1,244
Value US$115,792
2.3
Low Russell PRESIDENT AND CEO Executive Director
Transaction date
Planned sale
Price
90.00
Quantity 1,244 -0.9%
Value US$111,960
2.3
RUSSELL LOW Director; Officer Executive Director
Transaction date
Proposed sale
Price
85.77
Quantity 1,244
Value US$106,698
3.2
Titinger Jorge Non-Executive Director
Transaction date
Sale
Price
80.00
Quantity 1,000 -13.4%
Value US$80,000
3.2
JORGE TITINGER Director Non-Executive Director
Transaction date
Proposed sale
Price
80.00
Quantity 1,000
Value US$80,000
3.2
Titinger Jorge Non-Executive Director
Transaction date
Sale
Price
86.05
Quantity 2,000 -21.1%
Value US$172,100
3.2
JORGE TITINGER Director Non-Executive Director
Transaction date
Proposed sale
Price
86.05
Quantity 2,000
Value US$172,100
2.3
Blumenstock Gerald M EVP, Research, Dev. & Eng. Officer
Transaction date
Sale
Price
89.46
Quantity 3,034 -14.0%
Value US$271,422
2.3
GERALD BLUMENSTOCK Officer Officer
Transaction date
Proposed sale
Price
89.46
Quantity 3,034
Value US$271,415
2.3
KURTZWEIL JOHN T Non-Executive Director
Transaction date
Sale
Price
61.93
Quantity 1,682 -4.6%
Value US$104,166
2.3
JOHN THOMAS KURTZWEIL Director Non-Executive Director
Transaction date
Proposed sale
Price
61.93
Quantity 1,682
Value US$104,159
2.6
DOUGLAS LAWSON Officer Officer
Transaction date
Proposed sale
Price
112.07
Quantity 7,254
Value US$812,928
3.2
JORGE TITINGER Director Non-Executive Director
Transaction date
Proposed sale
Price
109.98
Quantity 6,086
Value US$669,338
3.2
Titinger Jorge Non-Executive Director
Transaction date
Sale
Price
109.98
Quantity 6,086 -50.8%
Value US$669,338
2.6
KEITHLEY JOSEPH P control person
Transaction date
Proposed sale
Price
113.47
Quantity 3,157
Value US$358,225
2.3
JOHN THOMAS KURTZWEIL Director Non-Executive Director
Transaction date
Proposed sale
Price
114.42
Quantity 1,200
Value US$137,308
2.3
KURTZWEIL JOHN T Non-Executive Director
Transaction date
Sale
Price
114.42
Quantity 1,200 -3.5%
Value US$137,304
2.3
KURTZWEIL JOHN T Non-Executive Director
Transaction date
Sale
Price
114.42
Quantity 1,200 -3.5%
Value US$137,304
2.3
Low Russell PRESIDENT AND CEO Executive Director
Transaction date
Purchase
Price
112.39
Quantity 440 +0.8%
Value US$49,452
2.7
KEVIN J BREWER Officer Officer
Transaction date
Proposed sale
Price
118.97
Quantity 2,866
Value US$340,978
2.7
KEVIN J BREWER Officer Officer
Transaction date
Proposed sale
Price
117.10
Quantity 2,313
Value US$270,857
2.7
COOGAN JAMES GORDON EVP AND CFO Officer
Transaction date
Purchase
Price
112.23
Quantity 100 +1.7%
Value US$11,223
2.6
Lawson Douglas A. EVP, CORPORATE MKTG & STRATEGY Officer
Transaction date
Purchase
Price
111.04
Quantity 500 +2.6%
Value US$55,520
2.7
KEVIN J BREWER Officer Officer
Transaction date
Proposed sale
Price
111.12
Quantity 4,510
Value US$501,150
2.6
KEITHLEY JOSEPH P Non-Executive Director
Transaction date
Sale
Price
140.50
Quantity 500 -13.7%
Value US$70,250
2.6
KEITHLEY JOSEPH P Non-Executive Director
Transaction date
Sale
Price
130.43
Quantity 500 -10.7%
Value US$65,215
2.6
KEITHLEY JOSEPH P control person
Transaction date
Proposed sale
Price
129.54
Quantity 2,875
Value US$372,428
2.8
GREGORY F REDINBO Officer Officer
Transaction date
Proposed sale
Price
180.18
Quantity 600
Value US$108,105
2.8
Redinbo Greg EVP Marketing and Applications Officer
Transaction date
Sale
Price
180.18
Quantity 600 -3.4%
Value US$108,108
3.1
LYNNETTE FALLON Officer Officer
Transaction date
Proposed sale
Price
181.32
Quantity 3,098
Value US$561,738
3.2
JORGE TITINGER Director Non-Executive Director
Transaction date
Proposed sale
Price
177.38
Quantity 6,881
Value US$1,220,535
2.3
RUSSELL LOW Officer Officer
Transaction date
Proposed sale
Price
179.25
Quantity 3,405
Value US$610,349
3.1
FALLON LYNNETTE C Executive VP, HR/Legal Officer
Transaction date
Sale
Price
181.32
Quantity 3,098 -9.0%
Value US$561,729
2.3
Low Russell President and CEO Executive Director
Transaction date
Sale
Price
179.25
Quantity 3,405 -5.6%
Value US$610,346
3.2
Titinger Jorge Non-Executive Director
Transaction date
Sale
Price
177.38
Quantity 6,881 -40.0%
Value US$1,220,552
2.6
KEITHLEY JOSEPH P Control Person
Transaction date
Proposed sale
Price
175.74
Quantity 2,875
Value US$505,252
2.6
DOUGLAS LAWSON Officer Officer
Transaction date
Proposed sale
Price
177.45
Quantity 375
Value US$66,544
2.6
Lawson Douglas A. EVP, Corporate Mktg & Strategy Officer
Transaction date
Sale
Price
177.45
Quantity 375 -2.0%
Value US$66,544
2.6
KEITHLEY JOSEPH P Non-Executive Director
Transaction date
Sale
Price
181.75
Quantity 500 -10.7%
Value US$90,875
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-04 2026-06-03 S Sale Non-Executive Director
8,996 +3.0%
213.23
US$1,780,684
8,996 +3.0% 213.23 US$1,780,684
2026-06-03 2026-06-03 PrS Proposed sale

Director

Non-Executive Director
55,349
139.70
US$4,770,348
55,349 139.70 US$4,770,348
2026-06-03 2026-06-02 S Sale

EVP Global Operations

Officer
99,270 -16.6%
192.89
US$2,295,785
99,270 -16.6% 192.89 US$2,295,785
2026-06-02 2026-06-02 PrS Proposed sale

Officer

Officer
1,155
155.24
US$179,302
1,155 155.24 US$179,302
2026-05-28 2026-05-27 S Sale

VP Corporate Controller

Officer
2,000 -23.9%
159.99
US$319,980
2,000 -23.9% 159.99 US$319,980
2026-05-27 2026-05-27 PrS Proposed sale

Officer

Officer
2,000
159.99
US$319,980
2,000 159.99 US$319,980
2026-05-26 2026-05-22 S Sale Non-Executive Director
900 -4.8%
155.37
US$139,833
900 -4.8% 155.37 US$139,833
2026-05-22 2026-05-22 S Sale

EVP, General Counsel and Sec'y

Officer
926 -2.9%
155.51
US$143,998
926 -2.9% 155.51 US$143,998
2026-05-22 2026-05-22 PrS Proposed sale

Director

Non-Executive Director
900
155.37
US$139,833
900 155.37 US$139,833
2026-05-22 2026-05-22 PrS Proposed sale

Officer

Officer
926
155.51
US$143,998
926 155.51 US$143,998
2026-05-22 2026-05-21 S Sale

EVP, Research, Dev. & Eng.

Officer
1,161 -5.4%
152.70
US$177,285
1,161 -5.4% 152.70 US$177,285
2026-05-21 2026-05-21 PrS Proposed sale

Officer

Officer
1,161
152.70
US$177,285
1,161 152.70 US$177,285
2026-05-21 2026-05-20 S Sale

EVP Global Customer Operations

Officer
1,166 -4.0%
149.75
US$174,608
1,166 -4.0% 149.75 US$174,608
2026-05-20 2026-05-20 PrS Proposed sale

Officer

Officer
1,166
149.75
US$174,608
1,166 149.75 US$174,608
2026-05-20 2026-05-19 S Sale Non-Executive Director
600 -9.9%
142.51
US$85,509
600 -9.9% 142.51 US$85,509
2026-05-20 2026-05-19 S Sale Non-Executive Director
2,625 -30.2%
141.41
US$371,188
2,625 -30.2% 141.41 US$371,188
2026-05-20 2026-05-19 S Sale Non-Executive Director
1,789 -13.6%
140.22
US$250,854
1,789 -13.6% 140.22 US$250,854
2026-05-20 2026-05-19 S Sale Non-Executive Director
3,500 -9.6%
138.79
US$485,771
3,500 -9.6% 138.79 US$485,771
2026-05-19 2026-05-19 PrS Proposed sale

Director

Non-Executive Director
3,225
141.61
US$456,697
3,225 141.61 US$456,697
2026-05-19 2026-05-19 PrS Proposed sale

Director

Non-Executive Director
1,789
140.22
US$250,854
1,789 140.22 US$250,854
2026-05-19 2026-05-19 PrS Proposed sale

Director

Non-Executive Director
3,500
138.79
US$485,771
3,500 138.79 US$485,771
2026-05-15 2026-05-14 S Sale

VP Corporate Controller

Officer
2,574 -24.8%
163.89
US$421,865
2,574 -24.8% 163.89 US$421,865
2026-05-15 2026-05-14 S Sale

EVP, Research, Dev. & Eng.

Officer
1,015 -5.5%
162.32
US$164,750
1,015 -5.5% 162.32 US$164,750
2026-05-14 2026-05-14 PrS Proposed sale

Officer

Officer
2,574
163.85
US$421,749
2,574 163.85 US$421,749
2026-05-14 2026-05-14 PrS Proposed sale

Officer

Officer
1,015
162.32
US$164,750
1,015 162.32 US$164,750
2026-05-14 2026-05-13 S Sale Non-Executive Director
2,000 -30.9%
164.14
US$328,280
2,000 -30.9% 164.14 US$328,280
2026-05-14 2026-05-13 S Sale

EVP MARKETING AND APPLICATIONS

Officer
2,883 -8.8%
160.85
US$463,731
2,883 -8.8% 160.85 US$463,731
2026-05-13 2026-05-13 PrS Proposed sale

Director

Non-Executive Director
2,000
164.14
US$328,280
2,000 164.14 US$328,280
2026-05-13 2026-05-13 PrS Proposed sale

Officer

Officer
2,883
160.85
US$463,731
2,883 160.85 US$463,731
2026-05-13 2026-05-12 S Sale

EVP Global Operations

Officer
2,258 -15.0%
161.00
US$363,538
2,258 -15.0% 161.00 US$363,538
2026-05-12 2026-05-12 PrS Proposed sale

Officer

Officer
2,258
161.00
US$363,538
2,258 161.00 US$363,538
2026-05-07 2026-05-06 PlS Planned sale

PRESIDENT AND CEO

Executive Director
7,468 -5.7%
156.75
US$1,170,609
7,468 -5.7% 156.75 US$1,170,609
2026-05-06 2026-05-06 PrS Proposed sale

Officer

Officer
7,468
139.70
US$1,043,280
7,468 139.70 US$1,043,280
2026-05-04 2026-05-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,244 -0.9%
138.86
US$172,742
1,244 -0.9% 138.86 US$172,742
2026-05-01 2026-05-01 PrS Proposed sale

Officer

Officer
1,244
139.11
US$173,053
1,244 139.11 US$173,053
2026-04-02 2026-04-01 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,244 -0.9%
94.06
US$117,011
1,244 -0.9% 94.06 US$117,011
2026-04-01 2026-04-01 PrS Proposed sale

Officer

Officer
1,244
93.08
US$115,792
1,244 93.08 US$115,792
2026-03-26 2026-03-24 PlS Planned sale

PRESIDENT AND CEO

Executive Director
1,244 -0.9%
90.00
US$111,960
1,244 -0.9% 90.00 US$111,960
2026-03-24 2026-03-24 PrS Proposed sale

Director; Officer

Executive Director
1,244
85.77
US$106,698
1,244 85.77 US$106,698
2026-02-23 2026-02-20 S Sale Non-Executive Director
1,000 -13.4%
80.00
US$80,000
1,000 -13.4% 80.00 US$80,000
2026-02-20 2026-02-20 PrS Proposed sale

Director

Non-Executive Director
1,000
80.00
US$80,000
1,000 80.00 US$80,000
2025-12-18 2025-12-17 S Sale Non-Executive Director
2,000 -21.1%
86.05
US$172,100
2,000 -21.1% 86.05 US$172,100
2025-12-17 2025-12-17 PrS Proposed sale

Director

Non-Executive Director
2,000
86.05
US$172,100
2,000 86.05 US$172,100
2025-12-12 2025-12-11 S Sale

EVP, Research, Dev. & Eng.

Officer
3,034 -14.0%
89.46
US$271,422
3,034 -14.0% 89.46 US$271,422
2025-12-11 2025-12-11 PrS Proposed sale

Officer

Officer
3,034
89.46
US$271,415
3,034 89.46 US$271,415
2025-05-21 2025-05-20 S Sale Non-Executive Director
1,682 -4.6%
61.93
US$104,166
1,682 -4.6% 61.93 US$104,166
2025-05-20 2025-05-20 PrS Proposed sale

Director

Non-Executive Director
1,682
61.93
US$104,159
1,682 61.93 US$104,159
2024-08-29 2024-08-29 PrS Proposed sale

Officer

Officer
7,254
112.07
US$812,928
7,254 112.07 US$812,928
2024-08-06 2024-08-06 PrS Proposed sale

Director

Non-Executive Director
6,086
109.98
US$669,338
6,086 109.98 US$669,338
2024-08-06 2024-08-06 S Sale Non-Executive Director
6,086 -50.8%
109.98
US$669,338
6,086 -50.8% 109.98 US$669,338
2024-05-30 2024-05-30 PrS Proposed sale

control person

3,157
113.47
US$358,225
3,157 113.47 US$358,225
2024-05-20 2024-05-20 PrS Proposed sale

Director

Non-Executive Director
1,200
114.42
US$137,308
1,200 114.42 US$137,308
2024-05-20 2024-05-20 S Sale Non-Executive Director
1,200 -3.5%
114.42
US$137,304
1,200 -3.5% 114.42 US$137,304
2024-05-20 2024-05-20 S Sale Non-Executive Director
1,200 -3.5%
114.42
US$137,304
1,200 -3.5% 114.42 US$137,304
2024-03-11 2024-03-11 B Purchase

PRESIDENT AND CEO

Executive Director
440 +0.8%
112.39
US$49,452
440 +0.8% 112.39 US$49,452
2024-03-07 2024-03-07 PrS Proposed sale

Officer

Officer
2,866
118.97
US$340,978
2,866 118.97 US$340,978
2024-03-01 2024-03-01 PrS Proposed sale

Officer

Officer
2,313
117.10
US$270,857
2,313 117.10 US$270,857
2024-02-29 2024-02-29 B Purchase

EVP AND CFO

Officer
100 +1.7%
112.23
US$11,223
100 +1.7% 112.23 US$11,223
2024-02-26 2024-02-23 B Purchase

EVP, CORPORATE MKTG & STRATEGY

Officer
500 +2.6%
111.04
US$55,520
500 +2.6% 111.04 US$55,520
2024-02-23 2024-02-23 PrS Proposed sale

Officer

Officer
4,510
111.12
US$501,150
4,510 111.12 US$501,150
2023-12-14 2023-12-14 S Sale Non-Executive Director
500 -13.7%
140.50
US$70,250
500 -13.7% 140.50 US$70,250
2023-11-13 2023-11-10 S Sale Non-Executive Director
500 -10.7%
130.43
US$65,215
500 -10.7% 130.43 US$65,215
2023-11-06 2023-11-06 PrS Proposed sale

control person

2,875
129.54
US$372,428
2,875 129.54 US$372,428
2023-09-14 2023-09-14 PrS Proposed sale

Officer

Officer
600
180.18
US$108,105
600 180.18 US$108,105
2023-09-14 2023-09-14 S Sale

EVP Marketing and Applications

Officer
600 -3.4%
180.18
US$108,108
600 -3.4% 180.18 US$108,108
2023-09-07 2023-09-07 PrS Proposed sale

Officer

Officer
3,098
181.32
US$561,738
3,098 181.32 US$561,738
2023-09-07 2023-09-07 PrS Proposed sale

Director

Non-Executive Director
6,881
177.38
US$1,220,535
6,881 177.38 US$1,220,535
2023-09-07 2023-09-07 PrS Proposed sale

Officer

Officer
3,405
179.25
US$610,349
3,405 179.25 US$610,349
2023-09-07 2023-09-07 S Sale

Executive VP, HR/Legal

Officer
3,098 -9.0%
181.32
US$561,729
3,098 -9.0% 181.32 US$561,729
2023-09-07 2023-09-07 S Sale

President and CEO

Executive Director
3,405 -5.6%
179.25
US$610,346
3,405 -5.6% 179.25 US$610,346
2023-09-07 2023-09-07 S Sale Non-Executive Director
6,881 -40.0%
177.38
US$1,220,552
6,881 -40.0% 177.38 US$1,220,552
2023-08-07 2023-08-07 PrS Proposed sale

Control Person

2,875
175.74
US$505,252
2,875 175.74 US$505,252
2023-08-07 2023-08-07 PrS Proposed sale

Officer

Officer
375
177.45
US$66,544
375 177.45 US$66,544
2023-08-07 2023-08-07 S Sale

EVP, Corporate Mktg & Strategy

Officer
375 -2.0%
177.45
US$66,544
375 -2.0% 177.45 US$66,544
2023-06-14 2023-06-12 S Sale Non-Executive Director
500 -10.7%
181.75
US$90,875
500 -10.7% 181.75 US$90,875