Mary K. Newman - 11 Dec 2025 Form 4 Insider Report for IES Holdings, Inc. (IESC)

Role: SVP, CAO and General Counsel
Signature: /s/ Mary K. Newman
Issuer symbol: IESC
Transactions as of: 11 Dec 2025
Net transactions value: -$955,711
Form type: 4
Filing time: 12 Dec 2025, 18:30:53 UTC
Previous filing: 28 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Newman Mary K	SVP, CAO and General Counsel	13131 DAIRY ASHFORD ROAD, SUITE 500, SUGAR LAND	/s/ Mary K. Newman	12 Dec 2025	0001858333

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IESC	Common Stock	Sale	$637,369	-1,335	-5.6%	$477.43	22,508	11 Dec 2025	Direct	F1
transaction	IESC	Common Stock	Sale	$318,342	-665	-3%	$478.71	21,843	11 Dec 2025	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $477.20 to $478.20, inclusive. The reporting person undertakes to provide IES Holdings, Inc. ("IES"), any security holder of IES, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $478.25 to $479.05, inclusive. The reporting person undertakes to provide IES, any security holder of IES, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Content

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $477.20 to $478.20, inclusive. The reporting person undertakes to provide IES Holdings, Inc. ("IES"), any security holder of IES, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $478.25 to $479.05, inclusive. The reporting person undertakes to provide IES, any security holder of IES, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.