Updated Jul 16, 2026 · Last SEC filing 2026-07-02
MGIC INVESTMENT CORP (MTG) has filed 14 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 2 Form 8-K material event filings were reported by MTG in the last 90 days. 5 Form 144 notices of proposed sale were filed for MTG stock. InsiderAlpha tracks every MTG SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Surety Insurance (SIC 6351) |
|---|---|
| SEC CIK | 0000876437 |
| Form 4 filings (90d) | 14 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 5 |
| Latest Form 4 filing | 2026-07-02 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Miosi Salvatore A | President & COO | S — Open-market sale | 30.0K | $28.23 | $847K | SEC | |
| Colson Nathaniel H | Officer EVP, CFO & CRO | S — Open-market sale | 20.0K | $27.10 | $542K | SEC | |
| Miosi Salvatore A | President & COO | S — Open-market sale | 30.0K | $25.38 | $761K | SEC | |
| Maggio Paula C | EVP and General Counsel | S — Open-market sale | 20.9K | $25.55 | $535K | SEC | |
| CHAPLIN C EDWARD | Director | A — Grant or award | 150 | — | — | SEC | |
| Zandi Mark | Director | A — Grant or award | 29 | — | — | SEC | |
| Thompson Michael Leal | Director | A — Grant or award | 29 | — | — | SEC | |
| CULVER CURT S | Director | A — Grant or award | 29 | — | — | SEC | |
| O'Leary-Gill Daniela | Director | A — Grant or award | 29 | — | — | SEC | |
| Klein Martin P | Director | A — Grant or award | 37 | — | — | SEC | |
| Sculley Sheryl L. | Director | A — Grant or award | 134 | — | — | SEC | |
| Hartzell Jay C. | Director | A — Grant or award | 201 | — | — | SEC | |
| Lowman Teresita M. | Director | A — Grant or award | 194 | — | — | SEC | |
| CULVER CURT S | Director | G — Bona-fide gift | 311.5K | — | — | SEC | |
| Mattke Timothy J. | Chief Executive Officer | S — Open-market sale [10b5-1] | 139.2K | $26.49 | $3.69M | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for MGIC INVESTMENT CORP (MTG). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Zandi Mark | 2 | — |
| CHAPLIN C EDWARD | 2 | — |
| CULVER CURT S | 2 | — |
| Miosi Salvatore A | 2 | $1.61M |
| Sculley Sheryl L. | 2 | — |
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 MTG 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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