Slide Insurance (SLDE) risk chief exercises options, sells 11,250 shares under 10b5-1 plan

Rhea-AI Filing Summary

Slide Insurance Holdings Chief Risk Officer Matthew Paul Larson exercised stock options for 11,250 shares of common stock at an exercise price of $0.79 per share and immediately sold the same 11,250 shares at $18.00 per share. The transactions were carried out on March 16, 2026 pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on December 4, 2025. After these transactions, he reported no directly held common shares, while his reported stock option position in this grant stood at 65,000 options following the exercise.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

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^*

LARSON MATTHEW PAUL

(Last) (First) (Middle)

4221 W BOY SCOUT BLVD

SUITE 200

(Street)

TAMPA FL 33607

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Slide Insurance Holdings, Inc. [ SLDE ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

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

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

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

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	03/16/2026		M		11,250	A	$0.79	11,250	D
Common Stock	03/16/2026		S		11,250(1)	D	$18	0	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
Stock Option (Right to Buy)	$0.79	03/16/2026		M(1)			11,250	(2)	02/21/2032	Common Stock	11,250	$0	65,000	D

Explanation of Responses:

1. Exercised and sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 4, 2025.

2. These stock options are fully vested and exercisable.

	/s/ Anastasios Omiridis, Attorney-in-Fact for Matthew Larson	03/17/2026
	** 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.
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FAQ

What did Slide Insurance (SLDE) executive Matthew Larson do in this Form 4?

Matthew Larson, Chief Risk Officer of Slide Insurance, exercised 11,250 stock options at $0.79 and sold 11,250 common shares at $18.00 on March 16, 2026. The exercise converted options into shares, which were then fully sold the same day.

Was the SLDE insider trade by Matthew Larson part of a 10b5-1 plan?

Yes. The filing states the exercise and sale were executed under a Rule 10b5-1 trading plan adopted on December 4, 2025. Such pre-arranged plans automate trading and typically reduce the informational value of the trade’s timing for investors.

How many Slide Insurance (SLDE) shares did Matthew Larson sell and at what price?

Matthew Larson sold 11,250 shares of Slide Insurance common stock at $18.00 per share. These shares came from exercising 11,250 stock options at a $0.79 exercise price, turning his option position into shares before the same-day sale.

What is Matthew Larson’s Slide Insurance (SLDE) stock position after this Form 4?

After the reported transactions, Matthew Larson held no shares of Slide Insurance common stock directly. The filing shows his stock option position from this grant at 65,000 options following the exercise, reflecting remaining derivative exposure rather than owned common shares.

What type of transaction is reported for SLDE’s Chief Risk Officer in this Form 4?

The Form 4 shows an exercise-and-sell pattern. Larson exercised stock options to acquire 11,250 common shares, then sold all 11,250 shares in an open-market transaction. This is a common way to realize value from equity awards while not increasing long-term share holdings.