Updated Jul 16, 2026 · Last SEC filing 2026-06-10
GRAHAM CORP (GHM) has filed 21 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-10. 4 Form 8-K material event filings were reported by GHM in the last 90 days. 2 Form 144 notices of proposed sale were filed for GHM stock. InsiderAlpha tracks every GHM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000716314 |
|---|
| Form 4 filings (90d) | 21 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 2 |
| Latest Form 4 filing | 2026-06-10 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Thome Christopher J. | VP-Finance; CFO | A — Grant or award | 8.6K | $0.00 | — | SEC | |
| Thoren Daniel J. | Executive Chairman | F — Tax withholding / forfeiture | 8.1K | $95.34 | $772K | SEC | |
| Thome Christopher J. | VP-Finance; CFO | F — Tax withholding / forfeiture | 3.2K | $95.34 | $304K | SEC | |
| Thoren Daniel J. | Executive Chairman | A — Grant or award | 22.1K | $0.00 | — | SEC | |
| Malone Matthew | President and CEO | A — Grant or award | 8.6K | $0.00 | — | SEC | |
| Malone Matthew | President and CEO | F — Tax withholding / forfeiture | 2.5K | $95.34 | $236K | SEC | |
| Thoren Daniel J. | Executive Chairman | M — Option exercise | 5.5K | $0.00 | — | SEC | |
| Malone Matthew | President and CEO | M — Option exercise | 1.3K | $0.00 | — | SEC | |
| Thome Christopher J. | VP-Finance; CFO | M — Option exercise | 1.6K | $0.00 | — | SEC | |
| Malone Matthew | President and CEO | F — Tax withholding / forfeiture | 371 | $107.96 | $40K | SEC | |
| Thoren Daniel J. | Executive Chairman | F — Tax withholding / forfeiture | 1.6K | $107.96 | $172K | SEC | |
| Thome Christopher J. | VP-Finance; CFO | F — Tax withholding / forfeiture | 608 | $107.96 | $66K | SEC | |
| Schnorr Lisa M. | Director | M — Option exercise | 2.0K | $0.00 | — | SEC | |
| Stoner Troy A. | Director | M — Option exercise | 2.0K | $0.00 | — | SEC | |
| Thoren Daniel J. | Executive Chairman | F — Tax withholding / forfeiture | 152 | $106.11 | $16K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for GRAHAM CORP (GHM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Malone Matthew | 12 | $421K |
| Thoren Daniel J. | 12 | $1.14M |
| Thome Christopher J. | 12 | $502K |
| Dixon Michael E. | 4 | $25K |
| Painter Jonathan W | 3 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GHM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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