Selective Insurance (SIGI) director awarded 1,767 RSUs vesting in 2027

Rhea-AI Filing Summary

Mills Stephen reported acquisition or exercise transactions in this Form 4 filing.

Selective Insurance Group director Stephen Mills received a compensation award of 1,767 restricted stock units (RSUs) of Common Stock. The RSUs were granted at no cash cost and are scheduled to vest on May 1, 2027, meaning he must remain eligible until that date to receive the shares.

After this award, Mills holds a total of 8,311.1324 shares of Common Stock, including 28.47920 dividend equivalent units, which are economically equal to the company’s common shares.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Mills Stephen

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,767	$0.00	--

Holdings After Transaction: Common Stock — 8,311.132 shares (Direct, null)

Footnotes (1)

1. The award of 1,767 restricted stock units will vest on May 1, 2027. Includes 28.47920 dividend equivalent units. Each dividend equivalent unit is the economic equivalent of one share of Selective Insurance Group, Inc. common stock.

Key Figures

RSUs granted: 1,767 restricted stock units Vesting date: May 1, 2027 Total holdings after award: 8,311.1324 shares +2 more

5 metrics

RSUs granted 1,767 restricted stock units Grant of Common Stock units to director Stephen Mills

Vesting date May 1, 2027 Scheduled vesting date for 1,767 restricted stock units

Total holdings after award 8,311.1324 shares Common Stock reported held following the RSU grant

Dividend equivalent units 28.47920 units Economically equivalent to Selective Insurance Group common shares

Grant price per share $0.0000 per share Indicates compensation award with no cash paid by director

Key Terms

restricted stock units, dividend equivalent units, Common Stock

3 terms

restricted stock units financial

"The award of 1,767 restricted stock units will vest on May 1, 2027."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalent units financial

"Includes 28.47920 dividend equivalent units."

Common Stock financial

"Each dividend equivalent unit is the economic equivalent of one share of Selective Insurance Group, Inc. common stock."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 Insider Transactions: What Each Field Means →

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^*

Mills Stephen

(Last) (First) (Middle)

40 WANTAGE AVENUE

(Street)

BRANCHVILLE NEW JERSEY 07890

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
SELECTIVE INSURANCE GROUP INC [ SIGI ]

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)
05/01/2026

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	05/01/2026		A		1,767(1)	A	$0.0000	8,311.1324(2)	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. The award of 1,767 restricted stock units will vest on May 1, 2027.

2. Includes 28.47920 dividend equivalent units. Each dividend equivalent unit is the economic equivalent of one share of Selective Insurance Group, Inc. common stock.

	/s/ Stephen C. Mills	05/04/2026
	** 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)

FAQ

What did Stephen Mills report in this Form 4 for SIGI?

Stephen Mills reported receiving 1,767 restricted stock units of Selective Insurance Group Common Stock as a compensation award. These RSUs were granted at no cash cost and increase his total reported holdings to 8,311.1324 shares, including associated dividend equivalent units.

When do Stephen Mills’s 1,767 SIGI restricted stock units vest?

The 1,767 restricted stock units granted to Stephen Mills are scheduled to vest on May 1, 2027. Vesting means the units convert into shares if the applicable service or other conditions are met, aligning his compensation with Selective Insurance Group’s longer-term performance.

How many SIGI shares does Stephen Mills hold after this transaction?

After this award, Stephen Mills is reported as holding 8,311.1324 shares of Selective Insurance Group Common Stock. This figure includes 28.47920 dividend equivalent units, which provide the same economic value as common shares credited in connection with dividends.

What are dividend equivalent units in the SIGI Form 4 filing?

Dividend equivalent units are bookkeeping entries that mirror dividends on unvested units. In this filing, 28.47920 dividend equivalent units are credited to Stephen Mills, each economically equivalent to one share of Selective Insurance Group Common Stock, enhancing the value of his equity-based compensation.

Is the SIGI Form 4 transaction an open-market stock purchase or sale?

The transaction is not an open-market purchase or sale; it is a grant of 1,767 restricted stock units as compensation. The Form 4 shows a transaction code A, indicating an award or other acquisition, with a price per share of $0.0000, reflecting no cash payment.