Neptune Insurance Holdings Inc. (NP) holder sells 1.63M Class A shares

Rhea-AI Filing Summary

BSIV Hold 101, LP, a 10% owner of Neptune Insurance Holdings Inc., sold 1,632,160 Class A shares on July 29, 2026 at $33.22 per share. It reported 12,620,558 shares remaining. The sale was not under a Rule 10b5-1 plan and occurred through an investment structure ultimately owned by Gene Yoon, with all reporting persons disclaiming beneficial ownership beyond their pecuniary interests.

Insider Trade Summary

Net Seller: 1,632,160 shares

Net Sell 1 txn

Insider BSIV Hold 101, LP, BSIV Hold 101 GP, LLC, Bregal Sagemount IV General Partner Jersey Ltd, Bregal Sagemount Management LP, Yoon Gene

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner

Sold 1,632,160 shs ($54.22M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock F1, F2	1,632,160	$33.22	$54.22M

Holdings After Transaction: Class A Common Stock — 12,620,558 shares (Direct)

Footnotes (2)

1. F1. The reported securities are held directly by BSIV Hold 101, LP ("BSIV 101"). BSIV 101 is managed by BSIV Hold 101 GP, LLC, its general partner, which is managed by Bregal Sagemount IV General Partner Jersey Limited, its sole member, which is managed by a board of directors and is ultimately 100% owned by Gene Yoon. Bregal Sagemount Management LP, which is majority owned by Gene Yoon, is the investment advisor to BSIV 101.
2. F2. Each of the reporting persons disclaims beneficial ownership of the reported securities, except to the extent of such reporting person's pecuniary interest therein, if any. The filing of this statement shall not be deemed an admission by any reporting person of beneficial ownership of the reported securities.

Key Figures

Shares sold: 1632160.0000 shares Sale price per share: $33.22 Shares held after transaction: 12620558.0000 shares

3 metrics

Shares sold 1632160.0000 shares Non-derivative sale of Class A Common Stock on July 29, 2026

Sale price per share $33.22 Price per share for the Class A Common Stock sale

Shares held after transaction 12620558.0000 shares Direct holdings of BSIV Hold 101, LP after the reported sale

Key Terms

beneficial ownership, pecuniary interest, investment advisor

3 terms

beneficial ownership financial

"disclaims beneficial ownership of the reported securities"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"except to the extent of such reporting person's pecuniary interest"

investment advisor financial

"Bregal Sagemount Management LP... is the investment advisor to BSIV 101"

An investment advisor is a person or firm that provides personalized guidance on buying, selling and managing investments and often oversees client portfolios for a fee. For investors this matters because the advisor shapes risk, costs and long-term returns, and is typically required by law to act in the client’s best interests — think of them as a financial coach or GPS that helps navigate choices and avoid costly detours.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/31/2026 - 07:00 PM Accepted by SEC EDGAR 07/31/2026 - 07:00 PM Learn about SEC filing dates

FAQ

What insider transaction did NP report involving BSIV Hold 101, LP?

Neptune Insurance (NP) reported that BSIV Hold 101, LP sold Class A Common Stock on July 29, 2026. The filing shows a sale of 1,632,160 shares in a non-derivative transaction coded as an open-market or private sale at a stated per-share price.

How many Neptune Insurance (NP) shares were sold and at what price?

The reporting group sold 1,632,160 Neptune Insurance Class A shares at $33.22 per share. This non-derivative transaction involved Class A Common Stock and is described as a sale in an open market or private transaction on July 29, 2026.

How many Neptune Insurance (NP) shares does BSIV Hold 101, LP hold after the sale?

After the reported transaction, BSIV Hold 101, LP is shown holding 12,620,558 shares of Neptune Insurance Class A Common Stock. These shares are reported as directly held following the completion of the July 29, 2026 sale.

Who ultimately owns the entity involved in the NP insider sale?

The filing states that BSIV Hold 101, LP is managed through several entities and is ultimately 100% owned by Gene Yoon. Bregal Sagemount Management LP, majority owned by Yoon, serves as investment advisor, while all reporting persons disclaim beneficial ownership beyond their pecuniary interest.

Was the Neptune Insurance (NP) insider sale under a Rule 10b5-1 trading plan?

The sale was not reported under a Rule 10b5-1 trading plan. The document-level checkbox for Rule 10b5-1 is marked false, indicating the transaction was not affirmed as being executed pursuant to a pre-arranged trading plan.

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^*

BSIV Hold 101, LP

(Last) (First) (Middle)

200 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10166

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Neptune Insurance Holdings Inc. [ NP ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/29/2026

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

	Form filed by One Reporting Person
X	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
Class A Common Stock	07/29/2026		S		1,632,160	D	$33.22	12,620,558	D(1)(2)

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

1. Name and Address of Reporting Person^*

BSIV Hold 101, LP

(Last) (First) (Middle)

200 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10166

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

BSIV Hold 101 GP, LLC

(Last) (First) (Middle)

200 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10166

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Bregal Sagemount IV General Partner Jersey Ltd

(Last) (First) (Middle)

SECOND FLOOR, WINDWARD HOUSE,

LA ROUTE DE LA LIBERATION

(Street)

ST. HELIER JERSEY JE2 3BQ

(City) (State) (Zip)

JERSEY

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Bregal Sagemount Management LP

(Last) (First) (Middle)

200 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10166

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

Yoon Gene

(Last) (First) (Middle)

200 PARK AVENUE, 45TH FLOOR

(Street)

NEW YORK NEW YORK 10166

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. The reported securities are held directly by BSIV Hold 101, LP ("BSIV 101"). BSIV 101 is managed by BSIV Hold 101 GP, LLC, its general partner, which is managed by Bregal Sagemount IV General Partner Jersey Limited, its sole member, which is managed by a board of directors and is ultimately 100% owned by Gene Yoon. Bregal Sagemount Management LP, which is majority owned by Gene Yoon, is the investment advisor to BSIV 101.

2. Each of the reporting persons disclaims beneficial ownership of the reported securities, except to the extent of such reporting person's pecuniary interest therein, if any. The filing of this statement shall not be deemed an admission by any reporting person of beneficial ownership of the reported securities.

	BSIV Hold 101, LP, By: BSIV Hold 101 GP, LLC, its GP, By: Bregal Sagemount IV General Partner Jersey Limited, its Sole Member, By: /s/ Colin James Dow, Name: Colin James Dow, Title: Director; /s/ Paul Andrew Bradshaw, Name: Paul Andrew Bradshaw, Director	07/30/2026
	BSIV Hold 101 GP, LLC, By: Bregal Sagemount IV General Partner Jersey Limited, its Sole Member, By: /s/ Colin James Dow, Name: Colin James Dow, Title: Director, /s/ Paul Andrew Bradshaw, Name: Paul Andrew Bradshaw, Title: Director	07/30/2026
	Bregal Sagemount IV General Partner Jersey Limited, By: /s/ Colin James Dow, Name: Colin James Dow, Title: Director, /s/ Paul Andrew Bradshaw, Name: Paul Andrew Bradshaw, Title: Director	07/30/2026
	Bregal Sagemount Management LP, By: /s/ Gene Yoon, Name: Gene Yoon, Title: Managing Partner	07/30/2026
	Gene Yoon, By: /s/ Gene Yoon, Name: Gene Yoon	07/30/2026
	** 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)