Updated Jul 16, 2026 · Last SEC filing 2026-05-13
OSHKOSH CORP (OSK) has filed 10 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-13. 2 Form 8-K material event filings were reported by OSK in the last 90 days. 1 Form 144 notices of proposed sale were filed for OSK stock. InsiderAlpha tracks every OSK SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000775158 |
|---|
| Form 4 filings (90d) | 10 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-05-13 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Palmer Duncan | Director | S — Open-market sale | 505 | $133.86 | $68K | SEC | |
| Perkins David G | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| DAVIS DOUGLAS LEE | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| CLAYTON ANNETTE K | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Metcalf-Kupres Kimberley | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Rowland Sandra E. | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Palmer Duncan | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Jordan Tyrone Michael | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Allman Keith J. | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Burns Bill | Director | A — Grant or award | 1.1K | $0.00 | — | SEC | |
| Khare Anupam | SVP/Chief Information Officer | S — Open-market sale | 4.0K | $169.07 | $676K | SEC | |
| Verich John S | SVP Bus Devl and Treasurer | G — Bona-fide gift | 115 | $0.00 | — | SEC | |
| Iyengar Jayanthi | EVP, Chief Technology Officer | F — Tax withholding / forfeiture | 918 | $175.52 | $161K | SEC | |
| Iyengar Jayanthi | EVP, Chief Technology Officer | M — Option exercise | 2.1K | $175.52 | $369K | SEC | |
| Iyengar Jayanthi | EVP, Chief Technology Officer | M — Option exercise | 1.1K | $175.52 | $186K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for OSHKOSH CORP (OSK). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Palmer Duncan | 2 | $68K |
| Rowland Sandra E. | 1 | — |
| Burns Bill | 1 | — |
| DAVIS DOUGLAS LEE | 1 | — |
| Jordan Tyrone Michael | 1 | — |
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 OSK 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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