Enpro Inc. (NPO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-01

Enpro Inc. (NPO) has filed 9 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 3 Form 8-K material event filings were reported by NPO in the last 90 days. InsiderAlpha tracks every NPO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Enpro Inc. (NPO)

SIC classificationGaskets, Packg & Sealg Devices & Rubber & Plastics Hose (SIC 3050)
SEC CIK0001164863

90-Day SEC Filing Activity

Form 4 filings (90d)9
Form 8-K filings (90d)3
Latest Form 4 filing2026-07-01

Recent NPO Insider Transactions (Form 4)

DateInsiderRoleTransactionSharesPriceValueFiling
Bower Steven R.SVP, Controller and CAOS — Open-market sale507$265.15$134KSEC
Bower Steven R.SVP, Controller and CAOM — Option exercise1.6K$53.78$83KSEC
Humphrey JohnDirectorS — Open-market sale1.3K$268.69$349KSEC
McLean Robert SavageEVP, GC, and CAOS — Open-market sale2.0K$277.50$555KSEC
Brueck Felix M.DirectorS — Open-market sale4.8K$275.69$1.33MSEC
Brueck Felix M.DirectorS — Open-market sale1.0K$276.52$285KSEC
Vaillancourt Eric A.President and CEOF — Tax withholding / forfeiture7.5K$272.63$2.04MSEC
Vaillancourt Eric A.President and CEOM — Option exercise4.0K$0.00SEC
Joiner Larisa R.SVP and CIOM — Option exercise256$0.00SEC
McLean Robert SavageEVP, GC, and CAOM — Option exercise774$0.00SEC
McLean Robert SavageEVP, GC, and CAOF — Tax withholding / forfeiture1.3K$272.63$353KSEC
Vaillancourt Eric A.President and CEOA — Grant or award13.4K$0.00SEC
McLean Robert SavageEVP, GC, and CAOA — Grant or award2.6K$0.00SEC
Joiner Larisa R.SVP and CIOA — Grant or award854$0.00SEC
Joiner Larisa R.SVP and CIOF — Tax withholding / forfeiture473$272.63$129KSEC

All transactions sourced from SEC EDGAR Form 4 filings for Enpro Inc. (NPO). Updated in real time as new filings are submitted to the SEC.

Most-Active NPO Insiders — Last 90 Days

InsiderForm 4 filingsTotal transaction value
Botts Thomas M.3$27K
Abbey William2$25K
Gulfo Adele M.2$2K
Reinsdorf Judith A2$28K
Brueck Felix M.2$7K

Recent NPO Form 8-K Material Events

Recent Insider Filings

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in NPO insider filings:

POpen-market purchase by the insider
SOpen-market sale by the insider
AGrant, award, or other acquisition from the issuer
MExercise or conversion of derivative security (e.g. options)
FPayment of exercise price or tax liability via share withholding
GBona-fide gift of securities
DDisposition to the issuer (e.g. share buyback participation)
JOther acquisition or disposition
XExercise of in-the-money or at-the-money derivative security
CConversion of derivative security
VTransaction voluntarily reported earlier than required

NPO Insider Trading — FAQ

What is the latest insider trade for NPO?
Enpro Inc. (NPO) had 9 insider filings in the last 90 days, with the most recent on 2026-07-01. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying NPO stock?
0 insider purchases of NPO were filed in the last 90 days.
How many insiders are selling NPO stock?
0 insider sales of NPO were filed in the last 90 days.
Where can I see NPO SEC filings (Form 4, 10-K, 10-Q, 8-K)?
InsiderAlpha aggregates every NPO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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