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Graham Corp. (GHM)

Graham Corp. (GHM) Insider Trading

Directors, officers and holders of more than 10% of GHM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 134 transactions on file: 0 with code P, 0 with code S and 50 with other codes.

DateInsiderCodeShares
Sep 18, 2026Gregorio MauroG Gift936
Sep 2, 2026Gregorio MauroM Exercise936
Sep 2, 2026Gregorio MauroM Exercise936
Aug 10, 2026Scholes Richard AlanA Award1,563
Aug 10, 2026Scholes Richard AlanA Award3,678
Jun 8, 2026Thome Christopher J.F Tax Payment3,193
Jun 8, 2026Thome Christopher J.A Award8,619
Jun 8, 2026Thoren Daniel J.F Tax Payment8,095
Jun 8, 2026Malone MatthewF Tax Payment2,477
Jun 8, 2026Malone MatthewA Award8,619
Jun 8, 2026Thoren Daniel J.A Award22,101
Jun 4, 2026Malone MatthewM Exercise1,291
Jun 4, 2026Malone MatthewF Tax Payment371
Jun 4, 2026Thoren Daniel J.M Exercise5,543
Jun 4, 2026Thome Christopher J.M Exercise1,643
Jun 4, 2026Thoren Daniel J.M Exercise5,543
Jun 4, 2026Thome Christopher J.F Tax Payment608
Jun 4, 2026Thome Christopher J.M Exercise1,643
Jun 4, 2026Malone MatthewM Exercise1,291
Jun 4, 2026Thoren Daniel J.F Tax Payment1,593
Jun 2, 2026Jaroslawsky Cari LM Exercise1,956
Jun 2, 2026Painter Jonathan WM Exercise1,956
Jun 2, 2026Schnorr Lisa M.M Exercise1,956
Jun 2, 2026Jaroslawsky Cari LM Exercise1,956
Jun 2, 2026Painter Jonathan WM Exercise1,956
Jun 2, 2026Thome Christopher J.F Tax Payment407
Jun 2, 2026Thoren Daniel J.M Exercise529
Jun 2, 2026Schnorr Lisa M.M Exercise1,956
Jun 2, 2026Malone MatthewM Exercise2,540
Jun 2, 2026Dixon Michael E.M Exercise762
Jun 2, 2026Stoner Troy A.M Exercise1,956
Jun 2, 2026Barber James JM Exercise1,956
Jun 2, 2026Thoren Daniel J.M Exercise529
Jun 2, 2026Malone MatthewM Exercise2,540
Jun 2, 2026Thome Christopher J.M Exercise1,099
Jun 2, 2026Barber James JM Exercise1,956
Jun 2, 2026Thoren Daniel J.F Tax Payment152
Jun 2, 2026Malone MatthewF Tax Payment730
Jun 2, 2026Thome Christopher J.M Exercise1,099
Jun 2, 2026Dixon Michael E.M Exercise762
Jun 2, 2026Dixon Michael E.F Tax Payment235
Jun 2, 2026Stoner Troy A.M Exercise1,956
Jun 1, 2026Jaroslawsky Cari LA Award905
Jun 1, 2026Thome Christopher J.A Award1,408
Jun 1, 2026Painter Jonathan WA Award905
Jun 1, 2026Malone MatthewA Award6,036
Jun 1, 2026Zmyndak William H.A Award1,026
Jun 1, 2026Barber James JA Award905
Jun 1, 2026Gross Matthew LeeA Award905
Jun 1, 2026Gregorio MauroA Award905

The full Form 4 history is on the GHM company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.