Joe D. Koshkin - 01 Jan 2026 Form 4 Insider Report for IES Holdings, Inc. (IESC)

Role: Director
Signature: /s/ Mary K. Newman, Attorney-in-Fact
Issuer symbol: IESC
Transactions as of: 01 Jan 2026
Net transactions value: $0
Form type: 4
Filing time: 05 Jan 2026, 17:24:25 UTC
Previous filing: 11 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Koshkin Joe D	Director	13131 DAIRY ASHFORD ROAD, SUITE 500, SUGAR LAND	/s/ Mary K. Newman, Attorney-in-Fact	05 Jan 2026	0001495394

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IESC	Common Stock	Award	$0	+73	+0.16%	$0.000000	44,796	01 Jan 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents Phantom Stock Units ("PSUs") granted pursuant to the IES Holdings, Inc. ("IES") 2006 Equity Incentive Plan, as amended and restated (the "2006 Equity Incentive Plan") upon Mr. Koshkin electing to receive PSUs in lieu of cash or common stock for that portion of his retainer. Each unit converts to one share of IES common stock when either (i) Mr. Koshkin leaves the board of directors for any reason, or (ii) upon a change of control as defined in the 2006 Equity Incentive Plan.

Content

Represents Phantom Stock Units ("PSUs") granted pursuant to the IES Holdings, Inc. ("IES") 2006 Equity Incentive Plan, as amended and restated (the "2006 Equity Incentive Plan") upon Mr. Koshkin electing to receive PSUs in lieu of cash or common stock for that portion of his retainer. Each unit converts to one share of IES common stock when either (i) Mr. Koshkin leaves the board of directors for any reason, or (ii) upon a change of control as defined in the 2006 Equity Incentive Plan.