ASIC director exercises 980 RSUs into common stock

Ategrity Specialty Insurance Co Holdings director Sennott John Langton Jr. exercised restricted stock units into common shares.

Accepted by SEC EDGAR 06/16/2026 - 04:05 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Ategrity Specialty Insurance Co Holdings director Sennott John Langton Jr. exercised restricted stock units into common shares. On June 11, 2026, he converted 980 restricted stock units into 980 shares of Common Stock in a non-cash derivative exercise.

Following this transaction, he directly held 30,380 shares of Common Stock and 1,961 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of common stock, granted as part of equity compensation vesting in three equal annual installments.

Insider Trade Summary

980 shares exercised/converted

Exercise 2 txns

Insider Sennott John Langton Jr.

Role Director

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	980	$0.00	$0.00
Exercise	Common Stock	980	$0.00	$0.00

Holdings After Transaction: Restricted Stock Units — 1,961 contracts (Direct); Common Stock — 30,380 shares (Direct)

Holdings Before and After: Restricted Stock Units, 2,941 to 1,961 contracts (Direct); Common Stock, 29,400 to 30,380 shares (Direct)

Footnotes (2)

1. F1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.
2. F2. On June 11, 2025, the reporting person was granted 2,941 restricted stock units, vesting in three equal annual installments. The remaining restricted stock units will vest in equal installments on June 11, 2027 and June 11, 2028.

Key Figures

RSUs exercised: 980 units Common shares after transaction: 30,380 shares RSUs remaining: 1,961 units +1 more

4 metrics

RSUs exercised 980 units Restricted Stock Units converted to Common Stock on June 11, 2026

Common shares after transaction 30,380 shares Director’s direct Common Stock holdings following exercise

RSUs remaining 1,961 units Restricted Stock Units still held after exercising 980 units

Original RSU grant 2,941 units Grant on June 11, 2025 vesting in three equal annual installments

Key Terms

Restricted Stock Units, derivative security, contingent right

3 terms

Restricted Stock Units financial

"Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock."

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.

derivative security financial

"transaction_code_description: Exercise or conversion of derivative security"

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

contingent right financial

"Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock."

FAQ

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

What insider transaction did ASIC director Sennott John Langton Jr. report?

He reported exercising restricted stock units into common shares. On June 11, 2026, he converted 980 restricted stock units into 980 shares of Ategrity Specialty Insurance Co Holdings common stock as a derivative exercise, rather than an open-market stock purchase or sale.

How many ASIC common shares does Sennott John Langton Jr. hold after this Form 4?

After the reported transaction, he directly holds 30,380 shares of Ategrity Specialty Insurance Co Holdings common stock. This reflects the addition of 980 shares received from exercising restricted stock units on June 11, 2026, as part of his equity compensation program.

What happened to the restricted stock units in this ASIC Form 4 filing?

A total of 980 restricted stock units were converted into 980 common shares. These units are part of a 2,941-unit grant from June 11, 2025 that vests in three equal annual installments, with remaining units vesting in 2027 and 2028.

How many restricted stock units does the ASIC director still hold after the transaction?

Following the transaction, he holds 1,961 restricted stock units. These units stem from a 2,941-unit grant awarded June 11, 2025, which was structured to vest in three equal annual installments over three years as equity compensation.

Was the ASIC insider transaction a market purchase or sale of shares?

No, it was not a market trade. The Form 4 shows a derivative exercise coded “M,” where restricted stock units were converted into common shares at a stated price of $0.00 per unit, typical for equity compensation vesting events rather than open-market buying or selling.

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

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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^*

Sennott John Langton Jr.

(Last) (First) (Middle)

ATEGRITY SPECIALTY INSURANCE CO HOLDINGS

9 WEST 57TH STREET, 33RD FLOOR

(Street)

NEW YORK NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Ategrity Specialty Insurance Co Holdings [ ASIC ]

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)
06/11/2026

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	06/11/2026		M		980	A	(1)	30,380	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
Restricted Stock Units	(1)	06/11/2026		M			980	(2)	(2)	Common Stock	980	$0	1,961	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock.

2. On June 11, 2025, the reporting person was granted 2,941 restricted stock units, vesting in three equal annual installments. The remaining restricted stock units will vest in equal installments on June 11, 2027 and June 11, 2028.

	/s/ Eric Crespolini, Attorney-in-Fact	06/16/2026
	** 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)