UNITIL CORP — Director's Dealing 2026

Jan 29, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: UNITIL CORP (UTL)
CIK: 0000755001
Period of Report: 2026-01-27

Reporting Person: MEISSNER THOMAS P JR (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-01-27	Common stock, no par value	A	8090	—	Acquired	0	Direct
2026-01-27	Common stock, no par value	A	8090	—	Acquired	0	Direct
2026-01-27	Common stock, no par value	A	310	$50	Acquired	145995	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-01-27	Contingent grant of common stock	$	A	4045	Acquired		Common stock (4045)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common stock, no par value	2743.07	Indirect

Footnotes

F1: Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.

F2: Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.

F3: Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares were granted at the conclusion of the 2023-2025 performance period based on the attainment of certain performance thresholds of certain performance goals. Shares were valued at current market price on date of grant. The balance of the contingent grant for such performance period terminated.

F4: Shares are held in trust under the terms of the Unitil Corporation Tax Deferred Savings and Investment Plan.

F5: Shares may be granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period ending on December 31, 2028, based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.