SEC Form 4 · Updated Daily
CMS
— CMS ENERGY CORPORATION OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Rochow Garrick J | Director | 663,751 | 2026-03-26 | A |
| Poppe Patricia K | Director · Officer | 481,580 | 2020-03-20 | A |
| JOOS DAVID W | Director | 353,243 | 2015-05-01 | A |
| Hayes Rejji P | Director | 276,825 | 2026-03-26 | A |
| WEBB THOMAS J | Director | 187,773 | 2017-05-25 | S |
| Malone Daniel J | Officer | 148,622 | 2017-05-30 | S |
| RUSSELL JOHN G | Director | 134,068 | 2026-05-08 | A |
| Butler John M | Officer | 125,480 | 2017-03-21 | A |
| ELWARD THOMAS W | Reporting Owner | 121,745 | 2008-06-01 | F |
| Reynolds Catherine M | Officer | 121,211 | 2019-05-08 | S |
| Brunner James E | Officer | 121,199 | 2014-07-01 | F |
| MENGEBIER DAVID G | Officer | 117,523 | 2017-11-20 | S |
| Johnson Shaun M | Officer | 113,636 | 2026-03-26 | A |
| Rich Brian F | Officer | 94,490 | 2024-08-01 | S |
| Wells LeeRoy Jr | Officer | 87,971 | 2025-03-21 | A |
| Rasmussen Ronn J | Officer | 78,795 | 2015-01-26 | A |
| Berry Tonya L | Officer | 72,747 | 2026-03-26 | A |
| Hofmeister Brandon J. | Officer | 67,111 | 2026-05-26 | S |
| Brossoit Jean-Francois | Officer | 65,528 | 2022-01-27 | A |
| Hendrian Catherine A | Officer | 59,068 | 2025-01-29 | A |
| LOCHNER PHILIP R | Director | 53,973 | 2017-05-05 | A |
| WAY KENNETH L | Director | 52,321 | 2014-05-16 | A |
| Gabrys Richard Marcel | Director | 49,607 | 2016-05-06 | A |
| HARVEY WILLIAM D | Director | 48,100 | 2023-05-05 | A |
| MONAHAN MICHAEL T | Director | 44,975 | 2013-05-17 | A |
| Venkat Dhenuvakonda Rao | Officer | 44,767 | 2024-03-22 | A |
| EWING STEPHEN E | Director | 44,394 | 2019-05-03 | A |
| Wright Laura | Director | 43,623 | 2026-05-08 | A |
| DARROW KURT L | Director | 42,098 | 2025-05-02 | A |
| Soto Myrna | Director | 41,023 | 2026-05-08 | A |
| Butler Deborah H | Director | 39,850 | 2026-05-08 | A |
| Sznewajs John G | Director | 37,594 | 2026-05-08 | A |
| MADDIPATI SRIKANTH | Officer | 34,895 | 2026-07-31 | P |
| Ayres Merribel S | Director | 29,741 | 2013-03-19 | S |
| BARBA GLENN P | Officer | 27,104 | 2021-08-09 | S |
| YASINSKY JOHN B | Director | 27,008 | 2015-02-25 | S |
| McIntosh Scott B | Officer | 25,251 | 2026-03-26 | A |
| SHANK SUZANNE F. | Director | 23,680 | 2026-05-08 | A |
| TANSKI RONALD J | Director | 20,903 | 2026-05-08 | A |
| CMS ENERGY CORP | Officer | 20,060 | 2006-02-01 | — |
| WHIPPLE KENNETH | Director | 17,530 | 2009-05-22 | A |
| Snyder Lauren Y | Officer | 17,170 | 2026-03-26 | A |
| BARFIELD JON E | Director | 14,556 | 2024-06-07 | S |
| IZZO RALPH | Officer | 10,779 | 2026-05-08 | A |
| PAQUETTE JOSEPH FARNAND JR | Reporting Owner | 10,472 | 2010-08-13 | S |
| Thomas Shannon | Officer | 7,757 | 2026-01-29 | A |
| Leopold Diane | Director | 5,180 | 2026-05-08 | A |
| Keyes Richard Patrick | Director | 3,180 | 2026-05-08 | A |
| PIERRE PERCY A | Reporting Owner | 0 | 2010-08-11 | S |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-07-31 | MADDIPATI SRIKANTH | Open-market buy | 200 | $72.45 | 34,895 |
| 2026-06-15 | MADDIPATI SRIKANTH | Grant / award | 10,184 | $0.00 | 34,695 |
| 2026-06-03 | MADDIPATI SRIKANTH | — | — | — | 24,511 |
| 2026-06-03 | MADDIPATI SRIKANTH | — | — | — | 0 |
| 2026-05-26 | Hofmeister Brandon J. | Open-market sale | 3,000 | $74.31 | 67,111 |
| 2026-05-08 | Butler Deborah H | Grant / award | 2,411 | $0.00 | 39,850 |
| 2026-05-08 | Leopold Diane | Grant / award | 2,411 | $0.00 | 5,180 |
| 2026-05-08 | IZZO RALPH | Grant / award | 2,411 | $0.00 | 10,779 |
| 2026-05-08 | SHANK SUZANNE F. | Grant / award | 2,411 | $0.00 | 23,680 |
| 2026-05-08 | Soto Myrna | Grant / award | 2,411 | $0.00 | 41,023 |
| 2026-05-08 | Sznewajs John G | Grant / award | 2,411 | $0.00 | 37,594 |
| 2026-05-08 | Keyes Richard Patrick | Grant / award | 2,411 | $0.00 | 3,180 |
| 2026-05-08 | RUSSELL JOHN G | Grant / award | 2,411 | $0.00 | 134,068 |
| 2026-05-08 | TANSKI RONALD J | Grant / award | 2,411 | $0.00 | 20,903 |
| 2026-05-08 | Wright Laura | Grant / award | 2,411 | $0.00 | 43,623 |
| 2026-03-26 | Rochow Garrick J | Tax withholding | 25,833 | $76.33 | 637,918 |
| 2026-03-26 | Rochow Garrick J | Grant / award | 19,681 | $0.00 | 663,751 |
| 2026-03-26 | Hayes Rejji P | Tax withholding | 8,290 | $76.33 | 268,535 |
| 2026-03-26 | Hayes Rejji P | Grant / award | 6,316 | $0.00 | 276,825 |
| 2026-03-26 | Hofmeister Brandon J. | Tax withholding | 3,759 | $76.33 | 70,111 |
| 2026-03-26 | Hofmeister Brandon J. | Grant / award | 2,863 | $0.00 | 73,870 |
| 2026-03-26 | Johnson Shaun M | Tax withholding | 4,311 | $76.33 | 109,325 |
| 2026-03-26 | Johnson Shaun M | Grant / award | 3,284 | $0.00 | 113,636 |
| 2026-03-26 | Berry Tonya L | Tax withholding | 2,642 | $76.33 | 70,105 |
| 2026-03-26 | Berry Tonya L | Grant / award | 2,021 | $0.00 | 72,747 |
| 2026-03-26 | Snyder Lauren Y | Tax withholding | 574 | $76.33 | 16,596 |
| 2026-03-26 | Snyder Lauren Y | Grant / award | 674 | $0.00 | 17,170 |
| 2026-03-26 | McIntosh Scott B | Tax withholding | 1,197 | $76.33 | 24,054 |
| 2026-03-26 | McIntosh Scott B | Grant / award | 1,028 | $0.00 | 25,251 |
| 2026-03-02 | McIntosh Scott B | Open-market sale | 1,750 | $78.20 | 24,223 |
| 2026-02-27 | Hofmeister Brandon J. | Gift | 2 | $0.00 | 3 |
| 2026-02-27 | Hofmeister Brandon J. | Gift | 2 | $0.00 | 70,953 |
| 2026-02-27 | Hofmeister Brandon J. | Open-market sale | 4,000 | $78.23 | 70,670 |
| 2026-02-25 | Leopold Diane | Open-market buy | 2,000 | $76.70 | 2,769 |
| 2026-02-20 | Keyes Richard Patrick | — | — | — | 0 |
| 2026-02-20 | Keyes Richard Patrick | — | — | — | 0 |
| 2026-02-20 | Leopold Diane | — | — | — | 0 |
| 2026-02-20 | Leopold Diane | — | — | — | 0 |
| 2026-02-20 | RUSSELL JOHN G | Open-market sale | 14,914 | $75.75 | 131,568 |
| 2026-02-20 | Keyes Richard Patrick | Grant / award | 769 | $0.00 | 769 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.