United States Professional & Commercial Services

Fuel Tech Inc (FTEK)

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Fuel Tech Inc has seen no insider trading activity in the last three months. The most recent transaction occurred on March 6, 2026, when President and CEO Vincent J. Arnone purchased 10,000 shares. Prior to this, historical activity included various buy and sell transactions by directors and executives throughout 2024 and 2025.
Ticker: FTEK Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Buy 6 Mar 2026
Value US$3,249,017.24 | Price 161.09 | Shares 48,555 (-0.9%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-03-09 2026-03-06 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
48,555 -0.9%
161.09
US$3,249,017 		48,555 -0.9% 161.09 US$3,249,017
2025-06-06 2025-06-04 S Sale
2.4
Jones Sharon L
Non-Executive Director
52,497 +45.1%
415.33
US$2,910,503 		52,497 +45.1% 415.33 US$2,910,503
2025-06-04 2025-06-04 PrS Proposed sale
2.4
SHARON JONES

Director

Non-Executive Director
17,523
137.22
US$2,404,164 		17,523 137.22 US$2,404,164
2025-04-01 2025-03-28 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
15,000 +3.2%
1.05
US$15,750 		15,000 +3.2% 1.05 US$15,750
2024-11-20 2024-11-19 B Purchase
2.4
Jones Sharon L
Non-Executive Director
8,014 +9.0%
1.08
US$8,656 		8,014 +9.0% 1.08 US$8,656
2024-11-19 2024-11-18 B Purchase
2.4
Jones Sharon L
Non-Executive Director
9,800 +12.4%
1.05
US$10,290 		9,800 +12.4% 1.05 US$10,290
2024-11-19 2024-11-15 B Purchase
2.4
Jones Sharon L
Non-Executive Director
4,200 +5.6%
1.05
US$4,410 		4,200 +5.6% 1.05 US$4,410
2024-11-18 2024-11-14 B Purchase
2.4
Jones Sharon L
Non-Executive Director
7,200 +10.7%
1.04
US$7,488 		7,200 +10.7% 1.04 US$7,488
2024-11-18 2024-11-13 B Purchase
2.4
Jones Sharon L
Non-Executive Director
9,100 +15.6%
1.05
US$9,555 		9,100 +15.6% 1.05 US$9,555
2024-11-18 2024-11-12 B Purchase
2.4
Jones Sharon L
Non-Executive Director
9,500 +19.5%
1.02
US$9,690 		9,500 +19.5% 1.02 US$9,690
2024-09-16 2024-09-12 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
20,000 +4.5%
1.02
US$20,400 		20,000 +4.5% 1.02 US$20,400
2024-09-16 2024-09-12 B Purchase
3.1
Albrecht Ellen T

Chief Financial Officer

Officer
5,000 +5.8%
1.01
US$5,050 		5,000 +5.8% 1.01 US$5,050
2024-08-30 2024-08-28 B Purchase
2.4
Jones Sharon L
Non-Executive Director
3,293 +7.2%
1.01
US$3,309 		3,293 +7.2% 1.01 US$3,309
2024-08-21 2024-08-12 B Purchase
2.4
Jones Sharon L
Non-Executive Director
447 +1.0%
1.01
US$449 		447 +1.0% 1.01 US$449
2024-08-12 2024-08-09 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
20,000 +4.8%
1.04
US$20,896 		20,000 +4.8% 1.04 US$20,896
2023-08-14 2023-08-11 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
15,000 +4.5%
1.20
US$17,985 		15,000 +4.5% 1.20 US$17,985
2022-05-19 2022-05-17 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
20,000 +6.5%
1.20
US$23,998 		20,000 +6.5% 1.20 US$23,998
2021-01-04 2020-12-31 S Sale
3.0
BAILEY BETTYE J
Large shareholder
42,711 -1.0%
4.01
US$171,288 		42,711 -1.0% 4.01 US$171,288
2020-12-29 2020-12-23 S Sale
2.4
ZEITLER DENNIS L
Non-Executive Director
71,000 -53.1%
4.92
US$349,178 		71,000 -53.1% 4.92 US$349,178
2020-12-28 2020-12-23 S Sale
3.1
Albrecht Ellen T

Acting PFO and Treasurer

Officer
41,900 -51.9%
5.00
US$209,500 		41,900 -51.9% 5.00 US$209,500
2020-12-28 2020-12-23 S Sale
3.4
ARNONE VINCENT J

President & CEO

Executive Director
75,000 -19.5%
5.01
US$375,975 		75,000 -19.5% 5.01 US$375,975
2020-12-28 2020-12-22 S Sale
3.4
ARNONE VINCENT J

President & CEO

Executive Director
125,000 -24.5%
4.25
US$531,000 		125,000 -24.5% 4.25 US$531,000
2020-12-28 2020-12-22 S Sale
3.1
Albrecht Ellen T

Acting PFO and Treasurer

Officer
30,000 -27.1%
4.26
US$127,800 		30,000 -27.1% 4.26 US$127,800
2020-12-04 2020-12-02 S Sale
3.3
Markowsky James J
Non-Executive Director
30,000 -100.0%
3.37
US$101,100 		30,000 -100.0% 3.37 US$101,100
2020-12-04 2020-12-02 S Sale
3.3
Markowsky James J
Non-Executive Director
20,000 -40.0%
3.44
US$68,800 		20,000 -40.0% 3.44 US$68,800
2020-11-30 2020-11-25 S Sale
3.0
BAILEY BETTYE J
Large shareholder
42,028 -1.0%
4.74
US$199,209 		42,028 -1.0% 4.74 US$199,209
2020-11-27 2020-11-25 S Sale
3.5
BAILEY DOUGLAS G
Non-Executive Director
60,400 -3.3%
5.38
US$324,650 		60,400 -3.3% 5.38 US$324,650
2020-11-27 2020-11-24 S Sale
3.3
Markowsky James J
Non-Executive Director
44,000 -46.8%
5.64
US$248,160 		44,000 -46.8% 5.64 US$248,160
2020-11-27 2020-11-24 S Sale
3.3
Markowsky James J
Non-Executive Director
12,627 -11.8%
6.10
US$77,025 		12,627 -11.8% 6.10 US$77,025
2020-11-27 2020-11-24 S Sale
3.5
BAILEY DOUGLAS G
Non-Executive Director
76,944 -4.0%
5.84
US$449,276 		76,944 -4.0% 5.84 US$449,276
2020-09-28 2020-09-25 B Purchase
3.5
Cummings William E JR

Senior Vice President, Sales

Officer
5,329 +1.9%
0.72
US$3,835 		5,329 +1.9% 0.72 US$3,835
2020-09-24 2020-09-24 B Purchase
3.5
Cummings William E JR

Senior Vice President, Sales

Officer
33,886 +13.4%
0.64
US$21,728 		33,886 +13.4% 0.64 US$21,728
2020-03-18 2020-03-17 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
15,000 +2.9%
0.43
US$6,468 		15,000 +2.9% 0.43 US$6,468
2019-09-26 2019-09-26 B Purchase
3.5
Cummings William E JR

Senior Vice President, Sales
28,489 +12.2%
0.97
US$27,546 		28,489 +12.2% 0.97 US$27,546
2019-09-25 2019-09-25 B Purchase
3.5
Cummings William E JR

Senior Vice President, Sales
21,511 +10.2%
0.96
US$20,616 		21,511 +10.2% 0.96 US$20,616
2019-09-06 2019-09-06 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
20,000 +4.1%
1.01
US$20,140 		20,000 +4.1% 1.01 US$20,140
2019-08-28 2019-08-28 B Purchase Markowsky James J Non-Executive Director
20,000 +158.4%
0.82
US$16,440 		20,000 +158.4% 0.82 US$16,440
2019-06-18 2019-06-18 B Purchase
3.4
ARNONE VINCENT J

President & CEO

Executive Director
15,000 +3.2%
1.22
US$18,225 		15,000 +3.2% 1.22 US$18,225
2019-05-22 2019-05-22 S Sale
3.2
Pach James M

PFO and Treasurer
6,859 -12.1%
1.54
US$10,563 		6,859 -12.1% 1.54 US$10,563
2019-03-25 2019-03-22 S Sale
3.3
Markowsky James J
20,000 -100.0%
1.66
US$33,200 		20,000 -100.0% 1.66 US$33,200
2019-05-20 2018-08-23 B Purchase
2.4
Jones Sharon L
3,950 +inf%
1.04
US$4,108 		3,950 +inf% 1.04 US$4,108
2018-08-24 2018-08-23 B Purchase ARNONE VINCENT J

President & CEO

Executive Director
2,033 +0.4%
1.08
US$2,196 		2,033 +0.4% 1.08 US$2,196
2018-08-23 2018-08-22 B Purchase ARNONE VINCENT J

President & CEO

Executive Director
22,967 +5.1%
1.02
US$23,472 		22,967 +5.1% 1.02 US$23,472
2018-07-06 2018-06-29 B Purchase Cummings William E JR

Senior Vice President, Sales

Officer
10,200 +5.8%
1.08
US$11,006 		10,200 +5.8% 1.08 US$11,006
2017-12-13 2017-12-12 B Purchase ZEITLER DENNIS L
50,000 +inf%
1.01
US$50,320 		50,000 +inf% 1.01 US$50,320
2017-09-19 2017-09-15 B Purchase ARNONE VINCENT J

President & CEO

Executive Director
18,000 +5.9%
0.94
US$16,902 		18,000 +5.9% 0.94 US$16,902
2017-09-18 2017-09-14 B Purchase ARNONE VINCENT J

President & CEO

Executive Director
32,000 +11.7%
0.92
US$29,568 		32,000 +11.7% 0.92 US$29,568
2017-09-06 2017-09-05 B Purchase Markowsky James J
10,000 +100.0%
0.87
US$8,650 		10,000 +100.0% 0.87 US$8,650
2017-09-06 2017-09-01 S Sale Collins David S

Sr. Vice President
79,998 -100.0%
0.79
US$63,278 		79,998 -100.0% 0.79 US$63,278
2017-09-05 2017-08-31 B Purchase Markowsky James J
81 +0.8%
0.93
US$75 		81 +0.8% 0.93 US$75
2017-09-05 2017-08-31 B Purchase Markowsky James J
3,981 +67.0%
0.94
US$3,741 		3,981 +67.0% 0.94 US$3,741
2017-09-05 2017-08-31 B Purchase Markowsky James J
5,938 +inf%
0.94
US$5,582 		5,938 +inf% 0.94 US$5,582
2016-01-04 2015-12-30 B Purchase BAILEY DOUGLAS G

Executive Chairman

Executive Director
15,000 +0.8%
1.85
US$27,750 		15,000 +0.8% 1.85 US$27,750
2016-01-04 2015-12-30 B Purchase ARNONE VINCENT J

President & CEO

Executive Director
12,000 +5.9%
1.85
US$22,200 		12,000 +5.9% 1.85 US$22,200
2016-01-04 2015-12-30 S Sale Collins David S

Sr. Vice President

Officer
7,500 -9.6%
1.78
US$13,350 		7,500 -9.6% 1.78 US$13,350
2014-12-30 2014-12-29 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
30,000 +1.7%
3.69
US$110,733 		30,000 +1.7% 3.69 US$110,733
2014-09-30 2014-09-26 S Sale Puissant Robert E

Executive Vice President

Officer
4,000 -100.0%
4.26
US$17,040 		4,000 -100.0% 4.26 US$17,040
2014-09-25 2014-09-24 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
6,800 +0.4%
4.23
US$28,733 		6,800 +0.4% 4.23 US$28,733
2014-09-24 2014-09-23 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
19,600 +1.1%
4.22
US$82,732 		19,600 +1.1% 4.22 US$82,732
2014-09-23 2014-09-22 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
34,000 +2.0%
4.23
US$143,752 		34,000 +2.0% 4.23 US$143,752
2013-05-17 2013-05-15 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
40,000 +2.6%
3.66
US$146,540 		40,000 +2.6% 3.66 US$146,540
2012-06-01 2012-05-31 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
18,000 +1.2%
3.74
US$67,320 		18,000 +1.2% 3.74 US$67,320
2012-05-31 2012-05-30 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
18,000 +1.2%
3.81
US$68,580 		18,000 +1.2% 3.81 US$68,580
2012-05-30 2012-05-29 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
18,000 +1.2%
3.63
US$65,286 		18,000 +1.2% 3.63 US$65,286
2012-05-29 2012-05-25 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
23,000 +1.6%
3.54
US$81,305 		23,000 +1.6% 3.54 US$81,305
2012-05-25 2012-05-24 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
23,000 +1.6%
3.51
US$80,822 		23,000 +1.6% 3.51 US$80,822
2012-05-24 2012-05-23 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
21,970 +1.6%
3.51
US$77,159 		21,970 +1.6% 3.51 US$77,159
2012-05-24 2012-05-23 B Purchase Puissant Robert E

Executive Vice President

Officer
100 +1.0%
3.55
US$355 		100 +1.0% 3.55 US$355
2012-05-24 2012-05-22 B Purchase BAILEY DOUGLAS G

President, CEO & Chairman

Executive Director
13,354 +1.0%
3.59
US$47,928 		13,354 +1.0% 3.59 US$47,928
2012-05-24 2012-05-22 B Purchase Puissant Robert E

Executive Vice President

Officer
5,900 +147.5%
3.59
US$21,181 		5,900 +147.5% 3.59 US$21,181
2010-06-23 2010-06-21 B Purchase BAILEY RALPH E

Emeritus Chairman

Executive Director Large shareholder
9,858 +6.1%
6.37
US$62,779 		9,858 +6.1% 6.37 US$62,779
2010-06-21 2010-06-18 B Purchase BAILEY RALPH E

Emeritus Chairman

Executive Director Large shareholder
6,442 +4.2%
6.44
US$41,487 		6,442 +4.2% 6.44 US$41,487
2010-06-18 2010-06-17 B Purchase BAILEY RALPH E

Emeritus Chairman

Executive Director Large shareholder
22,000 +16.6%
6.22
US$136,796 		22,000 +16.6% 6.22 US$136,796
2010-06-17 2010-06-16 B Purchase BAILEY RALPH E

Emeritus Chairman

Executive Director
2,095 +4.0%
6.22
US$13,026 		2,095 +4.0% 6.22 US$13,026
2010-06-17 2010-06-16 B Purchase BAILEY RALPH E

Emeritus Chairman

Executive Director
6,700 +5.3%
6.36
US$42,639 		6,700 +5.3% 6.36 US$42,639
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