RLI (RLI) director David Duclos purchases 2,500 common shares at $51.99

Rhea-AI Filing Summary

RLI CORP director David B. Duclos made an open-market purchase of the company’s common stock. He bought 2,500 shares on May 28, 2026 at a price of $51.99 per share. After this transaction, he directly owns 9,780.16 shares, with ownership reflecting dividend reinvestment.

Insider Trade Summary

Net Buyer: 2,500 shares ($129,975)

Net Buy 1 txn

Insider Duclos David B.

Role null

Bought 2,500 shs ($130K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	2,500	$51.99	$130K

Holdings After Transaction: Common Stock — 9,780.16 shares (Direct, null)

Footnotes (1)

1. Stock option grant price and number of stock options adjusted to reflect 2-for-1 stock split on 01/15/25. Ownership reflects dividend reinvestment.

Key Figures

Shares purchased: 2,500 shares Purchase price: $51.99 per share Post-transaction holdings: 9,780.16 shares +1 more

4 metrics

Shares purchased 2,500 shares Open-market buy on May 28, 2026

Purchase price $51.99 per share Common stock transaction

Post-transaction holdings 9,780.16 shares Direct ownership after purchase

Net buy shares 2,500 shares Net-buy direction in transaction summary

Key Terms

open-market purchase, dividend reinvestment, 2-for-1 stock split

3 terms

open-market purchase financial

"transaction_action: "open-market purchase" for the common stock transaction"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

dividend reinvestment financial

"Footnote states: "Ownership reflects dividend reinvestment.""

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

2-for-1 stock split financial

"Footnote notes adjustment "to reflect 2-for-1 stock split on 01/15/25.""

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^*

Duclos David B.

(Last) (First) (Middle)

9025 N. LINDBERGH DRIVE

(Street)

PEORIA ILLINOIS 61615

(City) (State) (Zip)

UNITED STATES

(Country)

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

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)
05/28/2026

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	05/28/2026		P		2,500	A	$51.99	9,780.16(1)	D(2)

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. Stock option grant price and number of stock options adjusted to reflect 2-for-1 stock split on 01/15/25.

2. Ownership reflects dividend reinvestment.

	/s/ Jeffrey D. Fick, Attorney-in-Fact	05/29/2026
	** 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 insider transaction did RLI (RLI) report for David B. Duclos?

RLI reported that director David B. Duclos made an open-market purchase of common stock. He bought 2,500 shares of RLI CORP on May 28, 2026, as a direct ownership transaction, classified as a standard open-market purchase.

At what price did David B. Duclos buy RLI (RLI) shares?

David B. Duclos bought RLI CORP common stock at $51.99 per share. The Form 4 describes this as an open-market purchase, meaning he paid the prevailing market price for 2,500 shares on May 28, 2026.

How many RLI (RLI) shares does David B. Duclos own after this trade?

After the reported purchase, David B. Duclos directly owns 9,780.16 shares of RLI CORP common stock. The filing notes that this ownership amount reflects dividend reinvestment, which can slightly increase holdings over time through automatic share accumulation.

Is the RLI (RLI) transaction by David B. Duclos a buy or a sell?

The transaction by David B. Duclos is a buy. The Form 4 lists the transaction code as “P” and describes it as an open-market purchase of 2,500 shares of RLI CORP common stock at $51.99 per share.

Does the RLI (RLI) Form 4 mention any special adjustments to Duclos’s holdings?

Yes. One footnote explains that a prior stock option grant price and number of options were adjusted for a 2-for-1 stock split on January 15, 2025. Another notes that his reported ownership amount reflects dividend reinvestment in RLI CORP shares.