Updated Jul 16, 2026 · Last SEC filing 2026-05-26
SOMNIGROUP INTERNATIONAL INC. (SGI) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-26. 4 Form 8-K material event filings were reported by SGI in the last 90 days. 1 Form 144 notices of proposed sale were filed for SGI stock. InsiderAlpha tracks every SGI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SIC classification | Household Furniture (SIC 2510) |
|---|---|
| SEC CIK | 0001206264 |
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-05-26 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Rusing Steven H | President & CEO Mattress Firm | M — Option exercise | 10.4K | $15.61 | $163K | SEC | |
| Rusing Steven H | President & CEO Mattress Firm | S — Open-market sale | 1.3K | $67.48 | $88K | SEC | |
| Rusing Steven H | President & CEO Mattress Firm | S — Open-market sale | 5.4K | $66.79 | $358K | SEC | |
| Dyer Simon | Director | F — Tax withholding / forfeiture | 702 | $64.49 | $45K | SEC | |
| Dyer Simon | Director | M — Option exercise | 2.3K | $0.00 | — | SEC | |
| Cook Christopher Thomas | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Madden Meredith Siegfried | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Sachse Peter R | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Dilsaver Evelyn S | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| NEU RICHARD W | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Gates Cathy R. | Director | A — Grant or award | 2.7K | $0.00 | — | SEC | |
| Nuno Kindel | CHRO and General Counsel | G — Bona-fide gift | 5.4K | $0.00 | — | SEC | |
| Dyer Simon | Director | P — Open-market purchase | 29.7K | $93.34 | $2.77M | SEC | |
| Dyer Simon | Director | P — Open-market purchase | 2.3K | $94.17 | $221K | SEC | |
| Cook Christopher Thomas | Director | A — Grant or award | 1.1K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for SOMNIGROUP INTERNATIONAL INC. (SGI). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Dyer Simon | 4 | $45K |
| Rusing Steven H | 4 | $609K |
| Gates Cathy R. | 1 | — |
| Dilsaver Evelyn S | 1 | — |
| Cook Christopher Thomas | 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 SGI 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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