CMS insider buying image
The table below summarizes the most recent CMS insider buying information, with links below the price to see the CAGR achieved by each insider on their purchases. As the saying goes on Wall St., there are many possible reasons to sell a stock, but only one reason to buy. Watch the importance of insider buying video for more information about why CMS insider buys are important for investors to follow.
DateInsiderPriceAmount
2-25-2026
Insider Buy
Diane Leopold
Director
$76.70
CAGR »
$153,398.00
2,000 shares

Also See: Institutional Holders of CMS
Also See: SEC filings

CMS Performance Since Insider Purchase
Below we present the annualized performance delivered by CMS stock since 2-25-2026 (the date of the most recent insider purchase). The performance of the investment from the time CMS insider buying occurred is the ultimate test of whether insiders were right about CMS being a good buy.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 02/26/2026
End date: 04/09/2026
Start price/share: $77.05
End price/share: $79.94
Dividends collected/share: $0.00
Total return: 3.75%
Annualized Gain: 33.39%
Starting investment: $10,000.00
Ending investment: $10,375.00
Years: 0.11

CMS Insider Buying

This Holdings Channel page has presented insider buying activity, covering Directors, officers (such as CEO, CFO, COO, etc.), and >10% owners (who are required to file form 4's with the SEC). Important institutional owners may not fall under these categories, but instead file their holdings quarterly on the latest form 13F filings. While recent CMS insider buying activity is included, there may also be stock sales over this same period (Also See: SEC filings for sales and other details).

Also See: Funds Holding CMS