CMS ENERGY CORP (CMS) Insider Transactions
Over the last 12 months, 18 CMS ENERGY CORP (CMS) insiders filed 60 SEC Form 4 transactions — $153.4K in open-market purchases ( 1 distinct buyers) and $2.4M in open-market sales. 0% of all transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.
- $153.4KOpen-market buys (1y)
- $2.4MOpen-market sells (1y)
- 18Distinct insiders
- 60Transactions filed
- 0%Under Rule 10b5-1 plan
- 2026-05-26Latest filing
Recent Form 4 Filings Most recent 50 of 60 (1-year window)
Each row is a single Form 4 filing event for CMS, sourced directly from SEC EDGAR. The Type column classifies the SEC transaction code into Buy / Sell / Grant / Exercise / Other; the 10b5-1 badge marks trades executed under a pre-scheduled SEC Rule 10b5-1 plan.
| Date | Insider | Title | Type | SEC Code | Value | Shares | Price |
|---|---|---|---|---|---|---|---|
| 2026-05-26 | Hofmeister Brandon J. | Senior Vice President | Sell | S | $222.9K | 3,000 | $74.31 |
| 2026-05-08 | Wright Laura | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | TANSKI RONALD J | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | RUSSELL JOHN G | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | Keyes Richard Patrick | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | Sznewajs John G | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | Soto Myrna | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | SHANK SUZANNE F. | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | IZZO RALPH | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | Leopold Diane | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-05-08 | Butler Deborah H | — | Grant | A | $0 | 2,411 | $0.00 |
| 2026-03-26 | McIntosh Scott B | VP, Controller, CAO | Grant | A | $0 | 1,028 | $0.00 |
| 2026-03-26 | Snyder Lauren Y | Senior Vice President | Grant | A | $0 | 674 | $0.00 |
| 2026-03-26 | Berry Tonya L | Executive Vice President & COO | Grant | A | $0 | 2,021 | $0.00 |
| 2026-03-26 | Johnson Shaun M | Executive Vice President & CLO | Grant | A | $0 | 3,284 | $0.00 |
| 2026-03-26 | Hofmeister Brandon J. | Senior Vice President | Grant | A | $0 | 2,863 | $0.00 |
| 2026-03-26 | Hayes Rejji P | EVP/CFO | Grant | A | $0 | 6,316 | $0.00 |
| 2026-03-26 | Rochow Garrick J | President and CEO | Grant | A | $0 | 19,681 | $0.00 |
| 2026-03-26 | McIntosh Scott B | VP, Controller, CAO | Other | F | $91.4K | 1,197 | $76.33 |
| 2026-03-26 | Snyder Lauren Y | Senior Vice President | Other | F | $43.8K | 574 | $76.33 |
| 2026-03-26 | Berry Tonya L | Executive Vice President & COO | Other | F | $201.7K | 2,642 | $76.33 |
| 2026-03-26 | Johnson Shaun M | Executive Vice President & CLO | Other | F | $329.1K | 4,311 | $76.33 |
| 2026-03-26 | Hofmeister Brandon J. | Senior Vice President | Other | F | $286.9K | 3,759 | $76.33 |
| 2026-03-26 | Hayes Rejji P | EVP/CFO | Other | F | $632.8K | 8,290 | $76.33 |
| 2026-03-26 | Rochow Garrick J | President and CEO | Other | F | $2.0M | 25,833 | $76.33 |
| 2026-03-02 | McIntosh Scott B | VP, Controller, CAO | Sell | — | $136.9K | 1,750 | $78.20 |
| 2026-02-27 | Hofmeister Brandon J. | Senior Vice President | Grant | — | $0 | 2 | $0.00 |
| 2026-02-27 | Hofmeister Brandon J. | Senior Vice President | Grant | — | $0 | 2 | $0.00 |
| 2026-02-27 | Hofmeister Brandon J. | Senior Vice President | Sell | — | $312.9K | 4,000 | $78.23 |
| 2026-02-25 | Leopold Diane | — | Buy | — | $153.4K | 2,000 | $76.70 |
| 2026-02-20 | Leopold Diane | — | Grant | — | $0 | 769 | $0.00 |
| 2026-02-20 | Keyes Richard Patrick | — | Grant | — | $0 | 769 | $0.00 |
| 2026-02-20 | RUSSELL JOHN G | — | Sell | — | $1.1M | 14,914 | $75.75 |
| 2026-01-29 | McIntosh Scott B | VP, Controller, CAO | Grant | — | $0 | 5,008 | $0.00 |
| 2026-01-29 | Snyder Lauren Y | Senior Vice President | Grant | — | $0 | 3,526 | $0.00 |
| 2026-01-29 | Thomas Shannon | Senior Vice President | Grant | — | $0 | 7,757 | $0.00 |
| 2026-01-29 | Hofmeister Brandon J. | Senior Vice President | Grant | — | $0 | 13,752 | $0.00 |
| 2026-01-29 | Johnson Shaun M | Executive Vice President & CLO | Grant | — | $0 | 19,747 | $0.00 |
| 2026-01-29 | Berry Tonya L | Executive Vice President & COO | Grant | — | $0 | 20,451 | $0.00 |
| 2026-01-29 | Hayes Rejji P | EVP/CFO | Grant | — | $0 | 33,144 | $0.00 |
| 2026-01-29 | Rochow Garrick J | President and CEO | Grant | — | $0 | 123,413 | $0.00 |
| 2026-01-26 | McIntosh Scott B | VP, Controller, CAO | Grant | — | $0 | 117 | $0.00 |
| 2026-01-26 | McIntosh Scott B | VP, Controller, CAO | Grant | — | $101.4K | 1,418 | $71.53 |
| 2026-01-26 | Snyder Lauren Y | Senior Vice President | Grant | — | $0 | 77 | $0.00 |
| 2026-01-26 | Snyder Lauren Y | Senior Vice President | Grant | — | $53.4K | 747 | $71.53 |
| 2026-01-26 | Hofmeister Brandon J. | Senior Vice President | Grant | — | $0 | 326 | $0.00 |
| 2026-01-26 | Hofmeister Brandon J. | Senior Vice President | Grant | — | $301.9K | 4,221 | $71.53 |
| 2026-01-26 | Johnson Shaun M | Executive Vice President & CLO | Grant | — | $0 | 374 | $0.00 |
| 2026-01-26 | Johnson Shaun M | Executive Vice President & CLO | Grant | — | $344.8K | 4,821 | $71.53 |
| 2026-01-26 | Berry Tonya L | Executive Vice President & COO | Grant | — | $0 | 230 | $0.00 |
Showing the most recent 50 of 60 transactions. For the full 1-year history with sorting, filtering, and cross-ticker industry context, open the full insider transactions drilldown.
Top Insider Buyers of CMS By dollar volume, 1-year window
- Leopold Diane $153.4K
Methodology & FAQ
How We Track CMS Insider Transactions
Form 4 disclosures are sourced directly from SEC EDGAR and re-ingested on every pipeline cycle. A complete description of transaction-code handling, the open-market vs grant distinction, and the Rule 10b5-1 plan-reference heuristic is documented in the Methodology.
What is an SEC Form 4 filing for CMS ENERGY CORP?
Form 4 is a transaction-level disclosure that corporate insiders — officers, directors, and beneficial owners of more than 10% of a registered class of equity securities — must file with the SEC within two business days of any change in their beneficial ownership of CMS ENERGY CORP (CMS) shares.
What is a Rule 10b5-1 trading plan?
Rule 10b5-1 is an SEC rule that lets insiders schedule trades in advance under a written plan, providing an affirmative defense against insider-trading allegations as long as the plan was adopted in good faith and not while in possession of material non-public information. Form 4 rows marked "10b5-1" on this page indicate the underlying trade was executed under such a plan; rows without the badge are discretionary or did not reference a plan in the Form 4 footnotes.
How is "insider buying" different from a stock grant or option exercise?
An insider buy (SEC transaction code P) is an open-market purchase of CMS ENERGY CORP (CMS) stock executed at the prevailing market price using the insider's personal capital. Stock grants (code A) and option exercises (code M) are compensation events, not directional trades; they are tracked separately and excluded from the "conviction" signal because they are not discretionary purchases.
How recent is the data?
Form 4 transactions are typically reported within two business days of execution. Pactolio re-ingests the EDGAR feed on a nightly cycle and reflects new filings on the next ingest run, typically within 24 hours of EDGAR acceptance. The table on this page covers the most recent 1-year window.