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Slide Insurance (SLDE) risk chief exercises options, sells 16,250 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Slide Insurance Holdings Chief Risk Officer Matthew Paul Larson executed an options exercise-and-sale transaction in company stock. On May 18, 2026, he exercised stock options to acquire 16,250 shares of common stock at an exercise price of $0.79 per share, then sold the same 16,250 shares in open-market trades at a weighted average price of $19.01 per share.

The sale prices ranged from $18.83 to $19.21 per share and was carried out under a pre-arranged Rule 10b5-1 trading plan adopted on December 4, 2025. Following these transactions, Larson holds 0 shares of common stock directly and 22,748 stock options that are fully vested and exercisable, expiring on February 24, 2032.

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Insider LARSON MATTHEW PAUL
Role Chief Risk Officer
Sold 16,250 shs ($309K)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 16,250 $0.00 --
Exercise Common Stock 16,250 $0.79 $13K
Sale Common Stock 16,250 $19.01 $309K
Holdings After Transaction: Stock Option (Right to Buy) — 22,748 shares (Direct, null); Common Stock — 16,250 shares (Direct, null)
Footnotes (1)
  1. Exercised and sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 4, 2025. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.83 to $19.21 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. These stock options are fully vested and exercisable.
Shares sold 16,250 shares Open-market sale of common stock on May 18, 2026
Sale price (weighted average) $19.01 per share Average price for 16,250 shares sold
Sale price range $18.83–$19.21 per share Price range of individual trades on May 18, 2026
Option exercise price $0.79 per share Stock Option (Right to Buy) conversion price
Shares acquired via exercise 16,250 shares Common stock obtained from option exercise on May 18, 2026
Common shares held after 0 shares Direct common stock holdings following transactions
Options remaining 22,748 options Fully vested and exercisable, expiring February 24, 2032
Rule 10b5-1 trading plan regulatory
"Exercised and sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 4, 2025."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
weighted average price financial
"Represents the weighted average price of the shares sold."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Stock Option (Right to Buy) financial
"security_title: "Stock Option (Right to Buy)""
fully vested and exercisable financial
"These stock options are fully vested and exercisable."
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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).
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 FLORIDA 33607
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
Slide Insurance Holdings, Inc. [ SLDE ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Risk Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/18/2026M16,250A$0.7916,250D
Common Stock05/18/2026S16,250(1)D$19.01(2)0D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$0.7905/18/2026M(1)16,250 (3)02/24/2032Common Stock16,250$022,748D
Explanation of Responses:
1. Exercised and sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 4, 2025.
2. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.83 to $19.21 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price.
3. These stock options are fully vested and exercisable.
/s/ Anastasios Omiridis, Attorney-in-Fact for Matthew Larson05/19/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did SLDE Chief Risk Officer Matthew Paul Larson report?

Matthew Paul Larson reported an exercise-and-sale transaction involving 16,250 Slide Insurance common shares. He exercised stock options at $0.79 per share and sold the same 16,250 shares in open-market trades at a weighted average price of $19.01 per share on May 18, 2026.

At what prices did Matthew Paul Larson sell Slide Insurance (SLDE) shares?

He sold 16,250 Slide Insurance common shares at a weighted average price of $19.01 per share. According to the filing, the individual sale prices ranged from $18.83 to $19.21 per share in open-market transactions on May 18, 2026.

How many Slide Insurance (SLDE) shares and options does Matthew Paul Larson hold after this Form 4?

After the reported transactions, Larson directly holds 0 shares of Slide Insurance common stock. He continues to hold 22,748 stock options that are fully vested and exercisable, with an exercise price of $0.79 per share and an expiration date of February 24, 2032.

Was the SLDE insider sale by Matthew Paul Larson under a Rule 10b5-1 plan?

Yes. The filing states the options were exercised and the resulting shares sold pursuant to a Rule 10b5-1 trading plan. That plan was adopted by Matthew Paul Larson on December 4, 2025, indicating the trades were pre-arranged rather than discretionary on the trade date.

What type of derivative security did Matthew Paul Larson exercise in this SLDE Form 4?

He exercised a stock option described as a "Stock Option (Right to Buy)" with a conversion or exercise price of $0.79 per share. The option is fully vested and exercisable and, after the transaction, 22,748 option shares remain outstanding, expiring on February 24, 2032.