David M Shaffer - Net Worth and Insider Trading
David M Shaffer Net Worth
The estimated net worth of David M Shaffer is at least $7 Million dollars as of 2025-07-21. David M Shaffer is the CEO of EnerSys and owns about 77,087 shares of EnerSys (ENS) stock worth over $7 Million. Details can be seen in David M Shaffer's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that David M Shaffer has not made any transactions after 2025-02-25 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David M Shaffer
David M Shaffer Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David M Shaffer owns 1 companies in total, including EnerSys (ENS) .
Click here to see the complete history of David M Shaffer’s form 4 insider trades.
David M Shaffer Latest Holdings Summary
David M Shaffer currently owns a total of 1 stock. David M Shaffer owns 77,087 shares of EnerSys (ENS) as of February 25, 2025, with a value of $7 Million.
David M Shaffer Form 4 Trading Tracker
According to the SEC Form 4 filings, David M Shaffer has made a total of 10 transactions in EnerSys (ENS) over the past 5 years, including 0 buys and 10 sells. The most-recent trade in EnerSys is the sale of 11,378 shares on February 25, 2025, which brought David M Shaffer around $1 Million.
Insider Trading History of David M Shaffer
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David M Shaffer Trading Performance
David M Shaffer Ownership Network
Ownership Network List of David M Shaffer
Ownership Network Relation of David M Shaffer

David M Shaffer Owned Company Details
What does EnerSys do?
Who are the key executives at EnerSys?
David M Shaffer is the President & EMEA of EnerSys. Other key executives at EnerSys include Pres & Motive Power Americas Shawn M. O'connell , EVP & Chief Financial Officer Andrea J. Funk , and Pres. & Energy Systems Global Keith D. Fisher .
EnerSys (ENS) Insider Trades Summary
Over the past 18 months, David M Shaffer made 7 insider transaction in EnerSys (ENS) with a net sale of 185,496. Other recent insider transactions involving EnerSys (ENS) include a net sale of 205 shares made by Chad C Uplinger , a net sale of 5,001 shares made by Howard I Hoffen , and a net sale of 2,200 shares made by Joern Tinnemeyer .
In summary, during the past 3 months, insiders sold 0 shares of EnerSys (ENS) in total and bought 1,085 shares, with a net purchase of 1,085 shares. During the past 18 months, 193,197 shares of EnerSys (ENS) were sold and 1,085 shares were bought by its insiders, resulting in a net sale of 192,112 shares.
EnerSys (ENS)'s detailed insider trading history can be found in Insider Trading Tracker table.
EnerSys Insider Transactions
David M Shaffer Mailing Address
Above is the net worth, insider trading, and ownership report for David M Shaffer. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David M Shaffer's mailing address is: Reading Pa 19605.