United States Professional & Commercial Services

CECO Environmental Corp (CECE)

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CECO Environmental Corp has seen significant insider activity recently, characterized by a net selling trend. Over the past 90 days, insiders executed transactions totaling approximately $1.54 million in purchases against $12.38 million in sales. Notable divestments were made by key executives, including Jason Dezwirek and CFO Peter Johansson, while Richard Wallman recorded recent share acquisitions.
Ticker: CECE 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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Insider trades have triggered activity signals for CECO Environmental Corp. Upgrade to see score, net flow, insiders and the full signal context.

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Trades
Sale 25 Jun 2026
Value US$4,088,580.63 | Price 493.82 | Shares 1,633 (+22.8%)
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
2026-06-26 2026-06-25 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
1,633 +22.8%
493.82
US$4,088,581 		1,633 +22.8% 493.82 US$4,088,581
2026-06-26 2026-06-24 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
41,199 -23.8%
386.41
US$2,323,468 		41,199 -23.8% 386.41 US$2,323,468
2026-06-26 2026-06-24 S Sale
Johansson Peter K.

SVP, Chief Financial Officer

Officer
20,258 +0.0%
87.68
US$1,139,259 		20,258 +0.0% 87.68 US$1,139,259
2026-06-24 2026-06-24 PrS Proposed sale
Johansson Peter K.

Officer

Officer
30,000
96.49
US$2,894,802 		30,000 96.49 US$2,894,802
2026-06-03 2026-06-01 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
20,000 +23.4%
76.85
US$1,536,938 		20,000 +23.4% 76.85 US$1,536,938
2026-05-04 2026-05-01 S Sale
1.7
Nanda Munish
Non-Executive Director
11,218 -15.3%
74.00
US$830,145 		11,218 -15.3% 74.00 US$830,145
2026-05-01 2026-05-01 PrS Proposed sale
1.7
Nanda Munish

Director

Non-Executive Director
11,218
74.00
US$830,146 		11,218 74.00 US$830,146
2026-05-01 2026-04-29 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
5,000 +6.2%
73.80
US$368,990 		5,000 +6.2% 73.80 US$368,990
2026-05-01 2026-04-29 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
10,000 +4.5%
73.25
US$732,500 		10,000 +4.5% 73.25 US$732,500
2025-09-22 2025-09-22 PrS Proposed sale
2.6
Gleason Todd R

Officer; Director

Executive Director
98,101
50.45
US$4,949,131 		98,101 50.45 US$4,949,131
2025-09-22 2025-09-22 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
98,101 -19.3%
50.45
US$4,949,127 		98,101 -19.3% 50.45 US$4,949,127
2025-09-22 2025-09-19 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
700 -0.2%
51.15
US$35,808 		700 -0.2% 51.15 US$35,808
2025-09-22 2025-09-19 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
16,199 -3.8%
50.38
US$816,157 		16,199 -3.8% 50.38 US$816,157
2025-09-22 2025-09-19 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
85,000 -16.6%
49.10
US$4,173,704 		85,000 -16.6% 49.10 US$4,173,704
2025-09-19 2025-09-19 PrS Proposed sale
2.6
Gleason Todd R

Officer; Director

Executive Director
101,899
49.32
US$5,025,672 		101,899 49.32 US$5,025,672
2025-09-22 2025-09-18 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
100,000 -19.6%
51.30
US$5,130,140 		100,000 -19.6% 51.30 US$5,130,140
2025-09-18 2025-09-18 PrS Proposed sale
2.6
Gleason Todd R

Officer; Director

Executive Director
100,000
51.30
US$5,130,143 		100,000 51.30 US$5,130,143
2025-09-09 2025-09-05 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
3,000 +3.9%
46.93
US$140,800 		3,000 +3.9% 46.93 US$140,800
2025-09-03 2025-08-29 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
1,500 +2.0%
44.25
US$66,375 		1,500 +2.0% 44.25 US$66,375
2025-09-03 2025-08-29 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
3,000 +1.4%
44.25
US$132,750 		3,000 +1.4% 44.25 US$132,750
2025-08-01 2025-07-31 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
10,383 -4.9%
43.07
US$447,165 		10,383 -4.9% 43.07 US$447,165
2025-08-01 2025-07-31 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
19,617 -8.5%
43.79
US$859,005 		19,617 -8.5% 43.79 US$859,005
2025-08-01 2025-07-30 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
4,329 -1.8%
41.36
US$179,054 		4,329 -1.8% 41.36 US$179,054
2025-08-01 2025-07-30 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
21,986 -8.6%
42.34
US$930,896 		21,986 -8.6% 42.34 US$930,896
2025-08-01 2025-07-30 S Sale
1.8
DEZWIREK JASON
Non-Executive Director
43,685 -14.6%
43.09
US$1,882,208 		43,685 -14.6% 43.09 US$1,882,208
2025-08-01 2025-07-30 S Sale
Mannarino Claudio A
Non-Executive Director
440 -0.6%
40.41
US$17,781 		440 -0.6% 40.41 US$17,781
2025-08-01 2025-07-30 S Sale
Mannarino Claudio A
Non-Executive Director
11,801 -13.1%
41.25
US$486,755 		11,801 -13.1% 41.25 US$486,755
2025-08-01 2025-07-30 S Sale
Mannarino Claudio A
Non-Executive Director
7,759 -8.0%
41.98
US$325,711 		7,759 -8.0% 41.98 US$325,711
2025-04-02 2025-03-31 S Sale
Johansson Peter K.

See Remarks

Officer
22,500 -26.6%
22.80
US$512,932 		22,500 -26.6% 22.80 US$512,932
2025-03-31 2025-03-27 S Sale
Johansson Peter K.

See Remarks

Officer
5,601 -6.2%
24.15
US$135,264 		5,601 -6.2% 24.15 US$135,264
2025-02-27 2025-02-26 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
14,000 +22.6%
25.19
US$352,617 		14,000 +22.6% 25.19 US$352,617
2025-02-27 2025-02-26 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
1,000 +0.5%
25.15
US$25,150 		1,000 +0.5% 25.15 US$25,150
2024-09-03 2024-08-30 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
10,000 +19.2%
28.77
US$287,722 		10,000 +19.2% 28.77 US$287,722
2024-05-22 2024-05-21 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
4,000 +2.0%
24.50
US$98,000 		4,000 +2.0% 24.50 US$98,000
2024-05-22 2024-05-21 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
4,000 +2.0%
24.50
US$98,000 		4,000 +2.0% 24.50 US$98,000
2024-05-02 2024-05-01 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
5,000 +2.7%
21.95
US$109,749 		5,000 +2.7% 21.95 US$109,749
2024-05-02 2024-05-01 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
5,000 +2.7%
21.95
US$109,749 		5,000 +2.7% 21.95 US$109,749
2024-03-08 2024-03-06 B Purchase
3.8
SIEGEL LAURIE
Non-Executive Director
2,500 +46.2%
19.87
US$49,664 		2,500 +46.2% 19.87 US$49,664
2024-03-08 2024-03-06 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
50,000 +36.8%
19.78
US$989,195 		50,000 +36.8% 19.78 US$989,195
2023-12-26 2023-12-21 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
14,500 -7.3%
21.11
US$306,088 		14,500 -7.3% 21.11 US$306,088
2023-12-21 2023-12-21 PrS Proposed sale
2.6
Gleason Todd R

Officer

Officer
14,500
21.11
US$306,087 		14,500 21.11 US$306,087
2023-09-19 2023-09-18 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
10,000 +8.1%
15.99
US$159,900 		10,000 +8.1% 15.99 US$159,900
2023-09-11 2023-09-07 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
12,000 +30.0%
13.76
US$165,120 		12,000 +30.0% 13.76 US$165,120
2023-03-29 2023-03-28 S Sale
Gohr Paul M

Chief Accounting Officer

Officer
11,880 -19.4%
14.41
US$171,191 		11,880 -19.4% 14.41 US$171,191
2023-03-17 2023-03-15 B Purchase
3.7
Liner David B
Non-Executive Director
3,000 +2.6%
13.62
US$40,860 		3,000 +2.6% 13.62 US$40,860
2023-03-13 2023-03-10 S Sale
3.6
Nuggihalli Ramesh

Chief Operating Officer

Officer
12,115 -16.1%
14.75
US$178,696 		12,115 -16.1% 14.75 US$178,696
2023-03-08 2023-03-07 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
10,000 +33.3%
15.08
US$150,750 		10,000 +33.3% 15.08 US$150,750
2023-01-03 2022-12-29 S Sale
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
11,000 -5.8%
11.59
US$127,436 		11,000 -5.8% 11.59 US$127,436
2022-11-21 2022-11-18 B Purchase
3.6
Nuggihalli Ramesh

Chief Operating Officer

Officer
250 +0.3%
11.25
US$2,812 		250 +0.3% 11.25 US$2,812
2022-09-22 2022-09-21 B Purchase
3.7
Liner David B
Non-Executive Director
10,500 +10.0%
9.50
US$99,750 		10,500 +10.0% 9.50 US$99,750
2022-09-22 2022-09-20 B Purchase
3.7
Liner David B
Non-Executive Director
4,500 +4.5%
9.40
US$42,300 		4,500 +4.5% 9.40 US$42,300
2022-08-25 2022-08-24 B Purchase
3.6
Nuggihalli Ramesh

Chief Operating Officer

Officer
300 +0.4%
10.33
US$3,099 		300 +0.4% 10.33 US$3,099
2022-08-10 2022-08-09 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
20,000 +200.0%
8.97
US$179,400 		20,000 +200.0% 8.97 US$179,400
2022-05-12 2022-05-11 B Purchase
3.6
Nuggihalli Ramesh

Chief Operating Officer

Officer
570 +0.8%
5.36
US$3,055 		570 +0.8% 5.36 US$3,055
2022-03-28 2022-03-24 B Purchase
2.6
Gleason Todd R

Chief Executive Officer

Executive Director
1,776 +0.9%
5.56
US$9,869 		1,776 +0.9% 5.56 US$9,869
2022-03-23 2022-03-22 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
16,913 +20.1%
5.73
US$96,911 		16,913 +20.1% 5.73 US$96,911
2022-03-23 2022-03-21 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
13,087 +18.5%
5.87
US$76,821 		13,087 +18.5% 5.87 US$76,821
2022-03-17 2022-03-15 B Purchase
2.4
Eckl Matthew

Chief Financial Officer

Officer
1,900 +1.0%
5.48
US$10,409 		1,900 +1.0% 5.48 US$10,409
2022-03-17 2022-03-15 B Purchase
3.6
Nuggihalli Ramesh

Chief Operating Officer

Officer
560 +0.8%
5.37
US$3,007 		560 +0.8% 5.37 US$3,007
2021-12-22 2021-12-21 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
9,574 +15.6%
6.01
US$57,540 		9,574 +15.6% 6.01 US$57,540
2021-12-22 2021-12-20 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
5,426 +9.7%
5.86
US$31,796 		5,426 +9.7% 5.86 US$31,796
2021-12-13 2021-12-10 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
8,160 +443.5%
6.09
US$49,694 		8,160 +443.5% 6.09 US$49,694
2021-12-13 2021-12-10 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
16,310 +41.2%
6.10
US$99,491 		16,310 +41.2% 6.10 US$99,491
2021-12-13 2021-12-09 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
1,840 +inf%
6.10
US$11,224 		1,840 +inf% 6.10 US$11,224
2021-12-13 2021-12-09 B Purchase
3.3
WALLMAN RICHARD F
Non-Executive Director
3,690 +10.3%
6.10
US$22,509 		3,690 +10.3% 6.10 US$22,509
2021-11-12 2021-11-10 B Purchase
0.7
Henry Chasity

Chief Operating Officer

Officer
571 +1.3%
7.04
US$4,020 		571 +1.3% 7.04 US$4,020
2021-05-11 2021-05-11 B Purchase
3.7
Liner David B
Non-Executive Director
2,000 +2.6%
7.25
US$14,500 		2,000 +2.6% 7.25 US$14,500
2021-05-11 2021-05-07 PP Planned purchase
2.4
Eckl Matthew

Chief Financial Officer

Officer
1,400 +0.9%
7.20
US$10,080 		1,400 +0.9% 7.20 US$10,080
2020-11-10 2020-11-06 B Purchase
3.7
Liner David B
Non-Executive Director
5,500 +7.9%
6.02
US$33,110 		5,500 +7.9% 6.02 US$33,110
2020-08-14 2020-08-13 B Purchase
3.7
Liner David B
Non-Executive Director
5,000 +7.7%
8.65
US$43,250 		5,000 +7.7% 8.65 US$43,250
2020-08-11 2020-08-10 B Purchase
0.8
Pollack Jonathan
Non-Executive Director
3,000 +3.5%
8.34
US$25,032 		3,000 +3.5% 8.34 US$25,032
2020-08-10 2020-08-07 B Purchase
1.8
DEZWIREK JASON
Non-Executive Director Large shareholder
11,000 +0.4%
8.00
US$88,028 		11,000 +0.4% 8.00 US$88,028
2020-08-10 2020-08-06 B Purchase
1.8
DEZWIREK JASON
Non-Executive Director Large shareholder
25,000 +0.9%
7.66
US$191,402 		25,000 +0.9% 7.66 US$191,402
2019-08-27 2019-08-27 B Purchase Liner David B Non-Executive Director
3,000 +6.0%
6.90
US$20,700 		3,000 +6.0% 6.90 US$20,700
2019-08-16 2019-08-15 B Purchase Sadlowski Dennis

Chief Executive Officer

Executive Director
2,000 +1.8%
7.00
US$14,000 		2,000 +1.8% 7.00 US$14,000
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