Slide Insurance holder plans $1.25M stock sale

GRM Family Limited Partnership plans Rule 144 sales of SLDE common stock under a Rule 10b5-1 trading plan following prior share dispositions.

Available on EDGAR 09/08/2026 - 07:21 PM EDT Accepted by SEC EDGAR 09/08/2026 - 07:21 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Slide Insurance Holdings, Inc. (SLDE) has a notice from GRM Family Limited Partnership, represented by Goldman Sachs & Co. LLC, of a proposed sale of 51,086 shares of common stock under Rule 144. The proposed sale reflects an aggregate market value of $1,249,563.56 based on recent prices.

GRM Family Limited Partnership previously acquired these shares from Slide Insurance LLC in a private transaction on September 19, 2021. The planned transactions are made under a Rule 10b5-1(c) selling plan dated December 12, 2025, and follow multiple sales of common stock during the prior three months.

Key Figures

Shares proposed for sale: 51,086 shares Aggregate market value of proposed sale: $1,249,563.56 Shares outstanding: 116,811,719 shares +4 more

7 metrics

Shares proposed for sale 51,086 shares Planned Rule 144 sale of Slide Insurance Holdings, Inc. common stock

Aggregate market value of proposed sale $1,249,563.56 Value of 51,086 shares referenced in the notice

Shares outstanding 116,811,719 shares Common stock outstanding as of September 8, 2026, for context

Prior sale on July 6, 2026 84,636 shares; $1,721,851.71 Common stock sold by GRM Family Limited Partnership

Prior sale on September 8, 2026 56,424 shares; $1,379,989.98 Common stock sold by GRM Family Limited Partnership

10b5-1 plan date December 12, 2025 Date of selling plan intended to comply with Rule 10b5-1(c)

Original acquisition date September 19, 2021 Date shares were acquired from issuer in a private transaction

Key Terms

Rule 144, Rule 10b5-1(c), selling plan, private transaction, +1 more

5 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Rule 10b5-1(c) regulatory

"selling plan dated 12/12/2025, that is intended to comply with Rule 10b5-1(c)."

Rule 10b5-1(c) is an SEC guideline that lets company insiders set up a written, pre-planned schedule to buy or sell their company stock when they are not in possession of material, nonpublic information. For investors, it matters because such plans can reduce the appearance of insider trading by separating decisions from inside knowledge—like putting your trades on autopilot—while also requiring scrutiny since pre-planned trades can still affect market confidence and share value.

selling plan financial

"made in connection with a selling plan dated 12/12/2025, that is intended"

private transaction financial

"Acquired from issuer in private transaction | Slide Insurance LLC"

A private transaction is the sale or transfer of securities, assets, or ownership stakes carried out directly between a small number of parties rather than on a public exchange. For investors it matters because these deals are less visible and often less liquid than public trades, so pricing can be harder to verify, the investment can be harder to sell quickly, and buyers or sellers may gain strategic advantages not available in open markets — like negotiated terms similar to a private garage sale versus a crowded marketplace.

aggregate market value financial

"Common | Goldman Sachs & Co. LLC ... | 51086 | 1249563.56 |"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

What does the Form 144 filing mean for Slide Insurance Holdings, Inc. (SLDE)?

The notice reports that GRM Family Limited Partnership plans to sell 51,086 SLDE common shares under Rule 144. It indicates potential secondary-market sales by an existing holder, not a new share issuance by Slide Insurance Holdings, Inc.

How many SLDE shares are proposed for sale in this Form 144?

The proposed transaction covers 51,086 shares of SLDE common stock. The filing also lists an aggregate market value of $1,249,563.56 for these shares, based on the reference market price used in the notice.

Who is selling SLDE shares according to this Form 144?

The selling holder is GRM Family Limited Partnership. The notice states that all shares to be sold are by this partnership, and it is signed by Goldman Sachs & Co. LLC on behalf of Robert D. Gries Jr.

Are the planned SLDE stock sales under a Rule 10b5-1 plan?

Yes. The notice states that the sales are made in connection with a selling plan dated December 12, 2025, which is intended to comply with Rule 10b5-1(c). This indicates a pre-arranged trading plan for the sales.

When and how were the SLDE shares originally acquired by the seller?

The shares covered by the notice were acquired from the issuer in a private transaction on September 19, 2021. The transaction involved Slide Insurance LLC as the source of the shares.

What prior SLDE stock sales by GRM Family Limited Partnership are disclosed?

The notice lists several prior SLDE common stock sales over the past three months, including 84,636 shares on July 6, 2026 for $1,721,851.71 and 56,424 shares on September 8, 2026 for $1,379,989.98, along with other smaller transactions.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001313311
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Slide Insurance Holdings, Inc.
SEC File Number	001-42707
Address of Issuer	4221 W Boy Scout Blvd Suite 200 Tampa FLORIDA 33607
Phone	1-813-748-2030
Name of Person for Whose Account the Securities are To Be Sold	GRM FAMILY LIMITED PARTNERSHIP
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Goldman Sachs & Co. LLC 200 West Street New York NY 10282	51086	1249563.56	116811719	09/08/2026	NASD

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	09/19/2021	Acquired from issuer in private transaction	Slide Insurance LLC			51086	09/19/2021	None

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607	Common	07/06/2026	84636	1721851.71
GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607	Common	08/04/2026	28212	576791.52
GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607	Common	07/07/2026	28212	593529.7
GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607	Common	08/03/2026	28212	573544.32
GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607	Common	09/08/2026	56424	1379989.98

144: Remarks and Signature

Remarks	The sales of shares set forth herein are made in connection with a selling plan dated 12/12/2025, that is intended to comply with Rule 10b5-1(c). All shares to be sold by GRM Family Limited Partnership.
Date of Notice	09/08/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/12/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Goldman Sachs & Co. LLC on behalf of Robert D. Gries Jr.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)