Slide director entity sells 56K shares under 10b5-1

Slide Insurance Holdings, Inc. director-related entity sells shares under pre-planned plan.

Rhea-AI Filing Summary

Slide Insurance Holdings, Inc. director-related entity sells shares under pre-planned plan. GRM Family Limited Partnership, an entity controlled by director Robert Gries Jr., sold 28,212 shares of Slide common stock at a weighted average price of $18.55 on May 5 and 28,212 shares at a weighted average price of $18.70 on May 6 in open-market transactions. These sales, totaling 56,424 shares, were made pursuant to a Rule 10b5-1 trading plan adopted on December 12, 2025. After the transactions, GRM Family Limited Partnership held 1,861,993 Slide shares indirectly associated with Gries, while he also held 843,804 shares directly.

Insights

Equity ownership analyst

Director-associated entity executes pre-planned sales while retaining a large Slide stake.

Director Robert Gries Jr. oversaw open-market sales by GRM Family Limited Partnership totaling 56,424 Slide common shares at weighted average prices of $18.55 and $18.70. The filing shows these trades were executed under a Rule 10b5-1 trading plan adopted on December 12, 2025.

The partnership still holds 1,861,993 shares after the sales, and Gries also directly owns 843,804 shares. This indicates the transactions represent only a portion of his overall exposure. Because the trades were pre-planned and no derivatives were exercised, they appear as routine portfolio management rather than a change in long-term stance.

Insider Trade Summary 10b5-1

Net Seller: 56,424 shares

Net Sell 3 txns

Insider Gries Robert JR

Role Director

Sold 56,424 shs ($1.05M)

Type	Security	Shares	Price	Value
Sale	Common Stock	28,212	$18.70	$528K
Sale	Common Stock	28,212	$18.55	$523K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,861,993 shares (Indirect, By GRM Family Limited Partnership); Common Stock — 843,804 shares (Direct)

Footnotes (4)

1. F1. Sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025.
2. F2. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.28 to $18.65 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. F3. The securities reported herein are held by GRM Family Limited Partnership, which is an entity controlled by the reporting person. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.
4. F4. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.53 to $18.88 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.

Key Figures

Shares sold May 5: 28,212 shares Shares sold May 6: 28,212 shares Total shares sold: 56,424 shares +5 more

8 metrics

Shares sold May 5 28,212 shares Open-market sale of Slide common stock on May 5, 2026 at $18.55

Shares sold May 6 28,212 shares Open-market sale of Slide common stock on May 6, 2026 at $18.70

Total shares sold 56,424 shares Combined open-market sales by GRM Family Limited Partnership

Weighted average price May 5 $18.55 per share Reported weighted average sale price; actual trades $18.28–$18.65

Weighted average price May 6 $18.70 per share Reported weighted average sale price; actual trades $18.53–$18.88

Indirect holdings after sales 1,861,993 shares Slide shares held by GRM Family Limited Partnership after May 6 sale

Direct holdings 843,804 shares Slide shares directly owned by Robert Gries Jr. as of May 5 entry

10b5-1 plan adoption date December 12, 2025 Date the pre-planned Rule 10b5-1 trading plan was adopted

Key Terms

Rule 10b5-1 trading plan, weighted average price, GRM Family Limited Partnership, pecuniary interest, +1 more

5 terms

Rule 10b5-1 trading plan regulatory

"Sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 12, 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.

GRM Family Limited Partnership financial

"The securities reported herein are held by GRM Family Limited Partnership, which is an entity controlled by the reporting person."

pecuniary interest financial

"The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein."

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

FAQ

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

What insider transactions did Slide Insurance (SLDE) report for Robert Gries Jr.?

Slide Insurance reported that an entity associated with director Robert Gries Jr. sold 56,424 shares of common stock. The sales occurred in two equal blocks of 28,212 shares on May 5 and May 6, through open-market transactions at weighted average prices around $18.55 and $18.70.

Who actually sold Slide Insurance (SLDE) shares in this Form 4 filing?

The shares were sold by GRM Family Limited Partnership, an entity controlled by director Robert Gries Jr. The filing notes that this partnership holds the securities, and Gries disclaims beneficial ownership except for his pecuniary interest, clarifying that the entity, not Gries personally, executed the transactions.

Were the Slide Insurance (SLDE) insider sales made under a Rule 10b5-1 plan?

Yes. The filing states the sales were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025. Such plans are pre-arranged trading programs that allow insiders to sell shares on a scheduled basis, reducing discretion over timing.

What is Robert Gries Jr.’s remaining ownership in Slide Insurance (SLDE) after these trades?

After the reported transactions, GRM Family Limited Partnership held 1,861,993 Slide Insurance common shares indirectly associated with Robert Gries Jr. In addition, the filing shows he directly owns 843,804 shares. Together, these positions indicate he maintains a substantial ongoing economic interest in the company.

At what prices were the Slide Insurance (SLDE) shares sold in the Form 4?

The Form 4 reports weighted average sale prices of $18.55 per share on May 5 and $18.70 per share on May 6. Footnotes explain that actual sale prices ranged from $18.28 to $18.65 and from $18.53 to $18.88, respectively, across individual trade executions.

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

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Accepted by SEC EDGAR 05/07/2026 - 04:54 PM Learn about SEC filing dates

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).

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^*

Gries Robert JR

(Last) (First) (Middle)

C/O SLIDE INSURANCE HOLDINGS, INC.

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/05/2026

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	05/05/2026		S		28,212(1)	D	$18.55(2)	1,890,205	I	By GRM Family Limited Partnership(3)
Common Stock	05/06/2026		S		28,212(1)	D	$18.7(4)	1,861,993	I	By GRM Family Limited Partnership(3)
Common Stock								843,804	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. Sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on December 12, 2025.

2. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.28 to $18.65 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. The securities reported herein are held by GRM Family Limited Partnership, which is an entity controlled by the reporting person. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

4. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.53 to $18.88 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.

	/s/ Robert Gries Jr.	05/07/2026
	** 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)