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United States Machinery, Equipment & Components

Enpro Inc (NPO)

Track

The most recent insider trading activity at Enpro Inc. occurred on March 2, 2026, with officers and executives engaging in proposed sales and actual sales. Steven R. Bower, SVP, Controller and CAO, was involved in transactions totaling approximately $134,430. Prior significant sales by other executives were noted in February 2026.
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Ticker: NPO Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Bower Steven R.
SVP, Controller and CAO
2 sales — total 268,860 USD
Sale 2 Mar 2026
Value US$2,541,882.73 | Price 136.64 | Shares 59,777
Proposed sale 2 Mar 2026
Value US$2,604,102.38 | Price 112.17 | Shares 12,955
Proposed sale 25 Feb 2026
Value US$2,275,671.77 | Price 399.27 | Shares 43,196
Sale 25 Feb 2026
Value US$4,434,907.50 | Price 438.35 | Shares 94,089
Sale 24 Feb 2026
Value US$555,000.00 | Price 277.50 | Shares 2,000
Proposed sale 24 Feb 2026
Value US$555,000.00 | Price 277.50 | Shares 2,000
Sale 23 Feb 2026
Value US$1,329,377.18 | Price 275.69 | Shares 4,822
Sale 23 Feb 2026
Value US$285,092.12 | Price 276.52 | Shares 1,031
Proposed sale 23 Feb 2026
Value US$1,607,058.21 | Price 274.57 | Shares 5,853
Proposed sale 6 Nov 2025
Value US$515,744.00 | Price 227.00 | Shares 2,272
Sale 6 Nov 2025
Value US$515,744.00 | Price 227.00 | Shares 2,272
Proposed sale 20 Aug 2025
Value US$568,601.00 | Price 223.77 | Shares 2,541
Sale 20 Aug 2025
Value US$568,601.35 | Price 223.77 | Shares 2,541
Sale 25 Feb 2025
Value US$199,061.02 | Price 199.66 | Shares 997
Proposed sale 25 Feb 2025
Value US$199,061.00 | Price 199.66 | Shares 997
Sale 14 Nov 2024
Value US$48,748.50 | Price 162.50 | Shares 300
Proposed sale 14 Nov 2024
Value US$48,749.00 | Price 162.50 | Shares 300
Sale 9 Aug 2024
Value US$232,289.78 | Price 150.06 | Shares 1,548
Proposed sale 9 Aug 2024
Value US$232,291.00 | Price 150.06 | Shares 1,548
Sale 17 May 2024
Value US$154,650.00 | Price 150.00 | Shares 1,031
Sale 17 May 2024
Value US$154,650.00 | Price 150.00 | Shares 1,031
Proposed sale 17 May 2024
Value US$154,650.00 | Price 150.00 | Shares 1,031
Proposed sale 9 May 2024
Value US$1,481,040.00 | Price 148.10 | Shares 10,000
Sale 29 Feb 2024
Value US$192,012.00 | Price 160.01 | Shares 1,200
Proposed sale 28 Feb 2024
Value US$1,013,282.00 | Price 158.33 | Shares 6,400
Sale 28 Feb 2024
Value US$969,745.80 | Price 158.30 | Shares 6,126
Sale 28 Feb 2024
Value US$43,522.16 | Price 158.84 | Shares 274
Sale 16 Aug 2023
Value US$131,570.00 | Price 131.57 | Shares 1,000
Proposed sale 16 Aug 2023
Value US$131,571.00 | Price 131.57 | Shares 1,000
Proposed sale 9 May 2023
Value US$769,120.00 | Price 96.14 | Shares 8,000
Buy 14 Mar 2023
Value US$74,852.50 | Price 94.75 | Shares 790
Sale 1 Mar 2023
Value US$263,472.00 | Price 109.78 | Shares 2,400
Sale 27 Feb 2023
Value US$556,500.00 | Price 111.30 | Shares 5,000
Sale 11 Nov 2022
Value US$253,741.64 | Price 122.58 | Shares 2,070
Sale 11 Nov 2022
Value US$235,961.80 | Price 122.26 | Shares 1,930
Buy 7 Mar 2022
Value US$97,450.00 | Price 97.45 | Shares 1,000
Buy 7 Mar 2022
Value US$24,541.56 | Price 102.26 | Shares 240
Sale 4 Mar 2022
Value US$139,023.92 | Price 106.29 | Shares 1,308
Sale 2 Mar 2022
Value US$1,076,145.00 | Price 107.61 | Shares 10,000
Buy 9 Nov 2021
Value US$21,235.00 | Price 106.18 | Shares 200
Buy 18 May 2021
Value US$199,780.44 | Price 93.49 | Shares 2,137
Buy 12 May 2021
Value US$20,576.60 | Price 93.53 | Shares 220
Buy 4 Mar 2021
Value US$208,412.50 | Price 83.37 | Shares 2,500
Buy 10 Mar 2020
Value US$9,636.00 | Price 48.18 | Shares 200
Buy 9 Mar 2020
Value US$459.60 | Price 45.96 | Shares 10
Buy 9 Mar 2020
Value US$11,517.25 | Price 46.07 | Shares 250
Buy 9 Mar 2020
Value US$13,836.97 | Price 45.97 | Shares 301
Buy 9 Mar 2020
Value US$27,708.00 | Price 46.18 | Shares 600
Buy 9 Mar 2020
Value US$41,815.50 | Price 45.75 | Shares 914
Sale 8 Aug 2019
Value US$757,377.70 | Price 67.26 | Shares 11,261
Buy 6 Aug 2019
Value US$6,382.00 | Price 63.82 | Shares 100
Buy 6 Aug 2019
Value US$19,149.00 | Price 63.83 | Shares 300
Buy 6 Aug 2019
Value US$83,135.00 | Price 63.95 | Shares 1,300
Buy 20 Mar 2019
Value US$4,980.74 | Price 66.41 | Shares 75
Sale 23 Aug 2018
Value US$37,813.95 | Price 75.63 | Shares 500
Buy 28 Feb 2018
Value US$75,540.00 | Price 75.54 | Shares 1,000
Sale 6 Nov 2017
Value US$2,101,500.00 | Price 84.06 | Shares 25,000
Sale 9 Aug 2017
Value US$112,504.46 | Price 72.68 | Shares 1,548
Sale 9 Aug 2017
Value US$14,530.00 | Price 72.65 | Shares 200
Sale 9 Aug 2017
Value US$14,532.00 | Price 72.66 | Shares 200
Sale 9 Aug 2017
Value US$14,536.00 | Price 72.68 | Shares 200
Sale 7 Aug 2017
Value US$1,949,637.44 | Price 74.08 | Shares 26,318
Buy 11 May 2017
Value US$71,510.00 | Price 71.51 | Shares 1,000
Sale 5 May 2017
Value US$36,273.50 | Price 72.55 | Shares 500
Sale 5 May 2017
Value US$49,988.13 | Price 72.87 | Shares 686
Sale 4 May 2017
Value US$1,083,150.00 | Price 72.21 | Shares 15,000
Sale 4 May 2017
Value US$41,327.85 | Price 72.51 | Shares 570
Sale 1 Mar 2017
Value US$670,000.00 | Price 67.00 | Shares 10,000
Sale 22 Feb 2017
Value US$185,046.92 | Price 65.02 | Shares 2,846
Sale 21 Feb 2017
Value US$1,117,411.56 | Price 65.14 | Shares 17,154
Buy 5 Dec 2016
Value US$1,414.73 | Price 61.51 | Shares 23
Sale 10 Nov 2016
Value US$1,731,513.00 | Price 57.72 | Shares 30,000
Buy 17 May 2016
Value US$19,084.00 | Price 47.71 | Shares 400
Buy 17 May 2016
Value US$33,394.20 | Price 47.71 | Shares 700
Buy 17 May 2016
Value US$47,709.60 | Price 47.71 | Shares 1,000
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
2026-03-02 2026-03-02 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
59,777 -47.8%
136.64
US$2,541,883 		59,777 -47.8% 136.64 US$2,541,883
2026-03-02 2026-03-02 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
12,955
112.17
US$2,604,102 		12,955 112.17 US$2,604,102
2026-02-25 2026-02-25 PrS Proposed sale
3.4
Humphrey John

Director

Non-Executive Director
43,196
399.27
US$2,275,672 		43,196 399.27 US$2,275,672
2026-02-25 2026-02-25 S Sale
3.4
Humphrey John
Non-Executive Director
1,300 -28.9%
268.69
US$349,297 		1,300 -28.9% 268.69 US$349,297
2026-02-24 2026-02-24 S Sale
2.9
McLean Robert Savage

EVP, GC, and CAO

Officer
2,000 -6.3%
277.50
US$555,000 		2,000 -6.3% 277.50 US$555,000
2026-02-24 2026-02-24 PrS Proposed sale
2.9
McLean Robert Savage

Officer

Officer
2,000
277.50
US$555,000 		2,000 277.50 US$555,000
2026-02-25 2026-02-23 S Sale
2.7
Brueck Felix M.
Non-Executive Director
4,822 -75.5%
275.69
US$1,329,377 		4,822 -75.5% 275.69 US$1,329,377
2026-02-25 2026-02-23 S Sale
2.7
Brueck Felix M.
Non-Executive Director
1,031 -13.9%
276.52
US$285,092 		1,031 -13.9% 276.52 US$285,092
2026-02-23 2026-02-23 PrS Proposed sale
2.7
Brueck Felix M.

Director

Non-Executive Director
5,853
274.57
US$1,607,058 		5,853 274.57 US$1,607,058
2025-11-07 2025-11-06 PrS Proposed sale
2.8
Vaillancourt Eric A.

Officer; Director

Executive Director
2,272
227.00
US$515,744 		2,272 227.00 US$515,744
2025-11-07 2025-11-06 S Sale
2.8
Vaillancourt Eric A.

President and CEO

Executive Director
2,272 -5.6%
227.00
US$515,744 		2,272 -5.6% 227.00 US$515,744
2025-08-20 2025-08-20 PrS Proposed sale
2.9
McLean Robert Savage

Officer

Officer
2,541
223.77
US$568,601 		2,541 223.77 US$568,601
2025-08-20 2025-08-20 S Sale
2.9
McLean Robert Savage

EVP, GC, and CAO

Officer
2,541 -8.0%
223.77
US$568,601 		2,541 -8.0% 223.77 US$568,601
2025-02-26 2025-02-25 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
997 -100.0%
199.66
US$199,061 		997 -100.0% 199.66 US$199,061
2025-02-25 2025-02-25 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
997
199.66
US$199,061 		997 199.66 US$199,061
2024-11-15 2024-11-14 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
300 -69.8%
162.50
US$48,748 		300 -69.8% 162.50 US$48,748
2024-11-14 2024-11-14 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
300
162.50
US$48,749 		300 162.50 US$48,749
2024-08-12 2024-08-09 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
1,548 -71.9%
150.06
US$232,290 		1,548 -71.9% 150.06 US$232,290
2024-08-09 2024-08-09 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
1,548
150.06
US$232,291 		1,548 150.06 US$232,291
2024-05-20 2024-05-17 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
1,031 -32.4%
150.00
US$154,650 		1,031 -32.4% 150.00 US$154,650
2024-05-20 2024-05-17 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
1,031 -32.4%
150.00
US$154,650 		1,031 -32.4% 150.00 US$154,650
2024-05-17 2024-05-17 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
1,031
150.00
US$154,650 		1,031 150.00 US$154,650
2024-05-09 2024-05-09 PrS Proposed sale
3.6
Childress John M II

Former Affiliate
10,000
148.10
US$1,481,040 		10,000 148.10 US$1,481,040
2024-03-01 2024-02-29 S Sale
2.2
van der Graaf Kees
Non-Executive Director
1,200 -100.0%
160.01
US$192,012 		1,200 -100.0% 160.01 US$192,012
2024-02-28 2024-02-28 PrS Proposed sale
2.9
McLean Robert Savage

Officer

Officer
6,400
158.33
US$1,013,282 		6,400 158.33 US$1,013,282
2024-02-28 2024-02-28 S Sale
2.9
McLean Robert Savage

EVP, GC, CAO & Secretary

Officer
6,126 -17.5%
158.30
US$969,746 		6,126 -17.5% 158.30 US$969,746
2024-02-28 2024-02-28 S Sale
2.9
McLean Robert Savage

EVP, GC, CAO & Secretary

Officer
274 -0.8%
158.84
US$43,522 		274 -0.8% 158.84 US$43,522
2023-08-17 2023-08-16 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
1,000 -29.1%
131.57
US$131,570 		1,000 -29.1% 131.57 US$131,570
2023-08-16 2023-08-16 PrS Proposed sale
3.4
Bower Steven R.

Officer

Officer
1,000
131.57
US$131,571 		1,000 131.57 US$131,571
2023-05-09 2023-05-09 PrS Proposed sale
Bernard Burns Consulting Services LLC

Director

Non-Executive Director
8,000
96.14
US$769,120 		8,000 96.14 US$769,120
2023-03-14 2023-03-14 B Purchase
2.8
Vaillancourt Eric A.

President and CEO

Executive Director
790 +3.4%
94.75
US$74,852 		790 +3.4% 94.75 US$74,852
2023-03-01 2023-03-01 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
2,400 -41.1%
109.78
US$263,472 		2,400 -41.1% 109.78 US$263,472
2023-02-27 2023-02-27 S Sale
3.6
Childress John M II

EVP & CFO

Officer
5,000 -12.6%
111.30
US$556,500 		5,000 -12.6% 111.30 US$556,500
2022-11-15 2022-11-11 S Sale
3.6
Childress John M II

EVP & CFO

Officer
2,070 -5.5%
122.58
US$253,742 		2,070 -5.5% 122.58 US$253,742
2022-11-15 2022-11-11 S Sale
3.6
Childress John M II

EVP & CFO

Officer
1,930 -4.8%
122.26
US$235,962 		1,930 -4.8% 122.26 US$235,962
2022-03-08 2022-03-07 B Purchase
2.8
Vaillancourt Eric A.

President and CEO

Executive Director
1,000 +5.9%
97.45
US$97,450 		1,000 +5.9% 97.45 US$97,450
2022-03-07 2022-03-07 B Purchase
2.7
Brueck Felix M.
Non-Executive Director
240 +5.7%
102.26
US$24,542 		240 +5.7% 102.26 US$24,542
2022-03-07 2022-03-04 S Sale
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
1,308 -21.0%
106.29
US$139,024 		1,308 -21.0% 106.29 US$139,024
2022-03-04 2022-03-02 S Sale
3.6
Childress John M II

EVP & CFO

Officer
10,000 -20.6%
107.61
US$1,076,145 		10,000 -20.6% 107.61 US$1,076,145
2021-11-10 2021-11-09 B Purchase
2.7
Brueck Felix M.
Non-Executive Director
200 +6.8%
106.18
US$21,235 		200 +6.8% 106.18 US$21,235
2021-05-19 2021-05-18 B Purchase
1.5
Botts Thomas M.
Non-Executive Director
2,137 +60.5%
93.49
US$199,780 		2,137 +60.5% 93.49 US$199,780
2021-05-12 2021-05-12 B Purchase
2.7
Brueck Felix M.
Non-Executive Director
220 +9.0%
93.53
US$20,577 		220 +9.0% 93.53 US$20,577
2021-03-04 2021-03-04 B Purchase
3.4
Humphrey John
Non-Executive Director
2,500 +inf%
83.37
US$208,412 		2,500 +inf% 83.37 US$208,412
2020-03-12 2020-03-10 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
200 +3.5%
48.18
US$9,636 		200 +3.5% 48.18 US$9,636
2020-03-10 2020-03-09 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
10 +0.2%
45.96
US$460 		10 +0.2% 45.96 US$460
2020-03-10 2020-03-09 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
250 +4.5%
46.07
US$11,517 		250 +4.5% 46.07 US$11,517
2020-03-10 2020-03-09 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
301 +5.8%
45.97
US$13,837 		301 +5.8% 45.97 US$13,837
2020-03-10 2020-03-09 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
600 +13.0%
46.18
US$27,708 		600 +13.0% 46.18 US$27,708
2020-03-10 2020-03-09 B Purchase
3.4
Bower Steven R.

SVP, Controller and CAO

Officer
914 +24.7%
45.75
US$41,816 		914 +24.7% 45.75 US$41,816
2019-08-09 2019-08-08 S Sale Macadam Stephen E. Non-Executive Director
11,261 -4.7%
67.26
US$757,378 		11,261 -4.7% 67.26 US$757,378
2019-08-07 2019-08-06 B Purchase Bower Steven R.

SVP, Controller and CAO

Officer
100 +2.8%
63.82
US$6,382 		100 +2.8% 63.82 US$6,382
2019-08-07 2019-08-06 B Purchase Bower Steven R.

SVP, Controller and CAO

Officer
300 +9.1%
63.83
US$19,149 		300 +9.1% 63.83 US$19,149
2019-08-07 2019-08-06 B Purchase Bower Steven R.

SVP, Controller and CAO

Officer
1,300 +65.0%
63.95
US$83,135 		1,300 +65.0% 63.95 US$83,135
2019-03-22 2019-03-20 B Purchase
1.7
Gulfo Adele M.
75 +inf%
66.41
US$4,981 		75 +inf% 66.41 US$4,981
2018-08-24 2018-08-23 S Sale Rickers Jon D.

SVP, HR

Officer
500 -7.4%
75.63
US$37,814 		500 -7.4% 75.63 US$37,814
2018-03-01 2018-02-28 B Purchase Bower Steven R.

SVP, Controller and CAO
1,000 +100.0%
75.54
US$75,540 		1,000 +100.0% 75.54 US$75,540
2017-11-07 2017-11-06 S Sale Macadam Stephen E.

President and CEO

Executive Director
25,000 -11.4%
84.06
US$2,101,500 		25,000 -11.4% 84.06 US$2,101,500
2017-08-10 2017-08-09 S Sale Anderson Todd L

division president
1,548 -18.0%
72.68
US$112,504 		1,548 -18.0% 72.68 US$112,504
2017-08-10 2017-08-09 S Sale Anderson Todd L

division president
200 -2.3%
72.65
US$14,530 		200 -2.3% 72.65 US$14,530
2017-08-10 2017-08-09 S Sale Anderson Todd L

division president
200 -2.2%
72.66
US$14,532 		200 -2.2% 72.66 US$14,532
2017-08-10 2017-08-09 S Sale Anderson Todd L

division president
200 -2.2%
72.68
US$14,536 		200 -2.2% 72.68 US$14,536
2017-08-08 2017-08-07 S Sale Macadam Stephen E.

President and CEO

Executive Director
26,318 -10.7%
74.08
US$1,949,637 		26,318 -10.7% 74.08 US$1,949,637
2017-05-15 2017-05-11 B Purchase Bower Steven R.

VP, Controller and CAO

Officer
1,000 +inf%
71.51
US$71,510 		1,000 +inf% 71.51 US$71,510
2018-08-22 2017-05-05 S Sale Rickers Jon D.

SVP, HR

Officer
500 -6.9%
72.55
US$36,274 		500 -6.9% 72.55 US$36,274
2017-05-08 2017-05-05 S Sale Sweeney Susan E

division president

Officer
686 -24.4%
72.87
US$49,988 		686 -24.4% 72.87 US$49,988
2017-05-08 2017-05-04 S Sale Macadam Stephen E.

President and CEO

Executive Director
15,000 -6.4%
72.21
US$1,083,150 		15,000 -6.4% 72.21 US$1,083,150
2017-05-08 2017-05-04 S Sale Anderson Todd L

division president

Officer
570 -5.8%
72.51
US$41,328 		570 -5.8% 72.51 US$41,328
2017-03-02 2017-03-01 S Sale Macadam Stephen E.

President and CEO

Executive Director
10,000 -4.4%
67.00
US$670,000 		10,000 -4.4% 67.00 US$670,000
2017-02-23 2017-02-22 S Sale Macadam Stephen E.

President and CEO

Executive Director
2,846 -1.2%
65.02
US$185,047 		2,846 -1.2% 65.02 US$185,047
2017-02-23 2017-02-21 S Sale Macadam Stephen E.

President and CEO

Executive Director
17,154 -6.9%
65.14
US$1,117,412 		17,154 -6.9% 65.14 US$1,117,412
2016-12-06 2016-12-05 B Purchase O'Neal William C.

VP, Strategy, Corp Dev. and IR

Officer
23 +0.7%
61.51
US$1,415 		23 +0.7% 61.51 US$1,415
2016-11-14 2016-11-10 S Sale Macadam Stephen E.

President and CEO

Executive Director
30,000 -12.3%
57.72
US$1,731,513 		30,000 -12.3% 57.72 US$1,731,513
2016-05-17 2016-05-17 B Purchase Botts Thomas M. Non-Executive Director
400 +23.5%
47.71
US$19,084 		400 +23.5% 47.71 US$19,084
2016-05-17 2016-05-17 B Purchase Botts Thomas M. Non-Executive Director
700 +70.0%
47.71
US$33,394 		700 +70.0% 47.71 US$33,394
2016-05-17 2016-05-17 B Purchase Botts Thomas M. Non-Executive Director
1,000 +inf%
47.71
US$47,710 		1,000 +inf% 47.71 US$47,710
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