Unitil director Suzanne Foster receives 2,272 shares

A director's award was tied to the stock portion of the annual retainer, with 14,406 common shares directly held afterward.

Rhea-AI Filing Summary

Unitil Corporation director Suzanne Foster acquired 2,272 common shares on October 1, 2026, as the stock portion of her annual retainer fee. The shares were granted under the Unitil Corporation Third Amended and Restated 2003 Stock Plan. After the grant, she directly held 14,406 shares.

Insider Trade Summary

Grant/Award: 2,272 shares

Grant/Award 1 txn

Insider Foster Suzanne

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common stock, no par value F1	2,272	$0.00	$0.00

Holdings After Transaction: Common stock, no par value — 14,406 shares (Direct)

Footnotes (1)

1. F1. Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan and transferred into my name in connection with the stock portion of my annual retainer fee as a Director of the Company.

Key Figures

Common shares granted: 2,272 shares Direct shares following transaction: 14,406 shares

2 metrics

Common shares granted 2,272 shares October 1, 2026

Direct shares following transaction 14,406 shares After the October 1, 2026 grant

Key Terms

annual retainer fee, stock portion, Third Amended and Restated 2003 Stock Plan

3 terms

annual retainer fee financial

"stock portion of my annual retainer fee"

stock portion financial

"in connection with the stock portion"

Third Amended and Restated 2003 Stock Plan technical

"Unitil Corporation Third Amended and Restated 2003 Stock Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many UTL shares did director Suzanne Foster acquire?

Suzanne Foster, a director, received a grant of 2,272 common shares on October 1, 2026, bringing her directly held position to 14,406 shares.

What UTL stock plan covered Suzanne Foster's share award?

The award was made under the Unitil Corporation Third Amended and Restated 2003 Stock Plan, in connection with the stock portion of her annual retainer fee as a director.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 02:56 PM Accepted by SEC EDGAR 10/02/2026 - 02:56 PM Learn about SEC filing dates

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^*

Foster Suzanne

(Last) (First) (Middle)

6 LIBERTY LANE WEST

(Street)

HAMPTON NEW HAMPSHIRE 03842

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
UNITIL CORP [ UTL ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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

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

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

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, no par value	10/01/2026		A(1)		2,272	A	$0	14,406	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. Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan and transferred into my name in connection with the stock portion of my annual retainer fee as a Director of the Company.

	/s/ Thomas P. Meissner, Jr., attorney-in-fact for Suzanne Foster	10/02/2026
	** 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.
* Form 4: SEC 1474 (03-26)