[Form 4] EnerSys, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Form 4 filing for Teradyne, Inc. (TER) dated 06/30/2025: Director Paul J. Tufano elected to defer a portion of his quarterly cash compensation into 521 deferred stock units (DSUs) on 06/26/2025. The DSUs convert one-for-one into common stock, typically within 90 days after Mr. Tufano ceases to serve as a non-employee director. The transaction is coded “A” (acquisition) at $0 cost, lifting his direct beneficial ownership to 64,163 TER shares. No derivative securities were reported. The filing indicates routine director compensation activity and does not involve open-market purchases or sales.

Positive

• Additional director alignment: Paul J. Tufano increased his equity exposure by 521 shares through compensation deferral, reinforcing long-term alignment with shareholders.

Negative

• None.

Insights

Equity Compensation Analyst

TL;DR: Routine DSU grant; immaterial impact on valuation.

This Form 4 records a standard non-employee director compensation deferral. Converting cash fees into 521 DSUs modestly aligns the director with shareholder interests, but represents less than 1% of his holdings and an immaterial fraction of TER’s 166 million shares outstanding. No market purchase or sale occurred, so supply-demand dynamics are unchanged. Investors may view continued equity accumulation by board members positively, yet the size and nature of the grant renders it neutral to valuation and near-term trading.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Chan Caroline

(Last) (First) (Middle)

C/O ENERSYS

2366 BERNVILLE ROAD

(Street)

READING PA 19605

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
EnerSys [ ENS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
06/27/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/27/2025		A		37.3885(1)	A	$0.00	13,525.0927	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were granted in the form of Deferred Stock Units ("DSUs"), in connection with the cash dividend paid on June 27, 2025, to stockholders of record as of June 13, 2025 (the "Dividend"), with respect to 13,106 vested DSUs granted to the reporting person on various dates and adjusted for previously declared and paid cash dividends. These DSUs are vested and payable concurrent with the underlying DSUs.

Remarks:

	John Yarbrough, by Power of Attorney	06/30/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Teradyne (TER) disclose in the latest Form 4?

Director Paul J. Tufano acquired 521 deferred stock units on 06/26/2025 through compensation deferral.

How many Teradyne shares does Paul J. Tufano now own?

After the transaction, he beneficially owns 64,163 shares of TER common stock.

Was cash exchanged for the 521 shares acquired?

No. The shares result from deferring cash director fees and are reported at $0 cost.

Do the deferred stock units convert to common stock immediately?

No. DSUs settle one-for-one in common stock typically within 90 days after the director leaves the board.

Does this filing signal insider buying pressure on TER stock?

Not materially; the DSUs are part of routine board compensation and do not involve open-market purchases.