Updated Jul 16, 2026 · Last SEC filing 2026-06-16
CMS ENERGY CORP (CMS) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-16. 4 Form 8-K material event filings were reported by CMS in the last 90 days. 1 Form 144 notices of proposed sale were filed for CMS stock. InsiderAlpha tracks every CMS SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0000811156 |
|---|
| Form 4 filings (90d) | 12 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 1 |
| Latest Form 4 filing | 2026-06-16 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| MADDIPATI SRIKANTH | EVP/CFO | A — Grant or award | 10.2K | $0.00 | — | SEC | |
| Hofmeister Brandon J. | Senior Vice President | S — Open-market sale | 3.0K | $74.31 | $223K | SEC | |
| Wright Laura | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| SHANK SUZANNE F. | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Leopold Diane | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| TANSKI RONALD J | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Keyes Richard Patrick | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| RUSSELL JOHN G | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Sznewajs John G | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Soto Myrna | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| IZZO RALPH | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Butler Deborah H | Director | A — Grant or award | 2.4K | $0.00 | — | SEC | |
| Johnson Shaun M | Executive Vice President & CLO | A — Grant or award | 3.3K | $0.00 | — | SEC | |
| Berry Tonya L | Executive Vice President & COO | A — Grant or award | 2.0K | $0.00 | — | SEC | |
| Johnson Shaun M | Executive Vice President & CLO | F — Tax withholding / forfeiture | 4.3K | $76.33 | $329K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for CMS ENERGY CORP (CMS). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| IZZO RALPH | 1 | — |
| Soto Myrna | 1 | — |
| Leopold Diane | 1 | — |
| Hofmeister Brandon J. | 1 | $223K |
| TANSKI RONALD J | 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 CMS 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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