Mobia Medical holder buys and converts shares

Mobia Medical, Inc. disclosed that investment entities associated with Green Park & Golf Ventures Houston increased their indirect stake through a mix of preferred stock conversions and an open-market purchase.

Rhea-AI Filing Summary

Mobia Medical, Inc. disclosed that investment entities associated with Green Park & Golf Ventures Houston increased their indirect stake through a mix of preferred stock conversions and an open-market purchase. On May 11, 2026, these entities bought 60,537 shares of common stock at $15.00 per share in an open-market transaction.

In addition, shares of Series F, Series E-1 and Series E-2 Preferred Stock held by HTX MCT1–MCT4 investment LLCs were converted into common stock immediately prior to Mobia Medical’s initial public offering pursuant to their terms, including conversions into 126,005, 138,233, 83,579 and 38,875 common shares. Green Park & Golf Ventures Houston is the managing member of the HTX entities, and managers Clay M. Heighten, Carl D. Soderstrom and Gilbert G. Garcia II share voting and dispositive power over the converted shares.

Insider Trade Summary

Net Buyer: 60,537 shares

Net Buy 9 txns

Insider Green Park & Golf Ventures - Houston, LLC, HTX MCT1 0320 Investment, LLC, HTX MCT2 0221 Investment, LLC, HTX MCT3 0322 Investment, LLC, HTX MCT4 0226 Investment, LLC, Heighten Clay M, Soderstrom Carl D, Garcia Gilbert G. II

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

Bought 60,537 shs ($908K)

Type	Security	Shares	Price	Value
Conversion	Series E-1 Preferred Stock	135,404	$0.00	$0.00
Conversion	Series E-1 Preferred Stock	291,108	$0.00	$0.00
Conversion	Series E-2 Preferred Stock	481,468	$0.00	$0.00
Conversion	Series F Preferred Stock	438,878	$0.00	$0.00
Conversion	Common Stock	38,875	$0.00	$0.00
Conversion	Common Stock	83,579	$0.00	$0.00
Conversion	Common Stock	138,233	$0.00	$0.00
Conversion	Common Stock	126,005	$0.00	$0.00
Purchase	Common Stock	60,537	$15.00	$908K

Holdings After Transaction: Series E-1 Preferred Stock — 0 contracts (Indirect, See Footnote); Series E-2 Preferred Stock — 0 contracts (Indirect, See Footnote); Series F Preferred Stock — 0 contracts (Indirect, See Footnote); Common Stock — 60,537 shares (Indirect, See Footnote)

Footnotes (6)

1. F1. Each share of Series F Preferred Stock, Series E-1 Preferred Stock and Series E-2 Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms.
2. F2. The securities are held by HTX MCT1 0320 Investment, LLC ("HTX MCT1").
3. F3. The securities are held by HTX MCT2 0221 Investment, LLC ("HTX MCT2").
4. F4. The securities are held by HTX MCT3 0322 Investment, LLC ("HTX MCT3").
5. F5. Green Park & Golf Ventures - Houston, LLC ("GPG Ventures Houston") is the managing member of each of HTX MCT1, HTX MCT2, HTX MCT3 and HTX MCT4 0226 Investment, LLC ("HTX MCT4"). Clay M. Heighten, MD, Carl D. Soderstrom and Gilbert G. Garcia II are managers of GPG Ventures Houston and share voting and dispositive power with respect to the shares held by each of HTX MCT1, HTX MCT2, HTX MCT3 and HTX MCT4, and as a result may be deemed to beneficially own such securities.
6. F6. The securities are held by HTX MCT4.

Key Figures

Open-market purchase: 60,537 shares at $15.00/share Series F conversion: 126,005 shares Series E-2 conversion: 138,233 shares +3 more

6 metrics

Open-market purchase 60,537 shares at $15.00/share Common Stock bought on May 11, 2026

Series F conversion 126,005 shares Common Stock underlying Series F Preferred

Series E-2 conversion 138,233 shares Common Stock underlying Series E-2 Preferred

Series E-1 conversion (1) 83,579 shares Common Stock underlying Series E-1 Preferred

Series E-1 conversion (2) 38,875 shares Additional Common Stock underlying Series E-1 Preferred

Total derivative shares exercised 1,346,858 shares ExerciseShares in transaction summary

Key Terms

initial public offering, Series F Preferred Stock, Series E-1 Preferred Stock, Series E-2 Preferred Stock, +2 more

6 terms

initial public offering financial

"converted into Common Stock immediately prior to the completion of the Issuer's initial public offering"

An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.

Series F Preferred Stock financial

"Each share of Series F Preferred Stock, Series E-1 Preferred Stock and Series E-2 Preferred Stock converted"

Series F preferred stock is a class of company shares that gives holders priority over common shareholders for dividend payments and for getting money back if the company is sold or liquidated, much like a ticket that moves you to the front of the line. These shares often carry a fixed dividend and special rights—sometimes including conversion into common stock—so investors consider them when weighing income, downside protection and potential ownership dilution.

Series E-1 Preferred Stock financial

"Series E-1 Preferred Stock and Series E-2 Preferred Stock converted into Common Stock"

Series E-2 Preferred Stock financial

"Series E-1 Preferred Stock and Series E-2 Preferred Stock converted into Common Stock"

derivative conversion financial

"transaction_action": "derivative conversion""

ten percent owner financial

"is_ten_percent_owner": 1"

FAQ

What did the Mobia Medical (MOBI) Form 4 filing report for Green Park & Golf Ventures Houston?

The Form 4 shows entities associated with Green Park & Golf Ventures Houston increased their indirect Mobia Medical holdings through preferred stock conversions and an open-market common stock purchase, reflecting higher equity exposure ahead of the company’s initial public offering as described in the transactions and footnotes.

How many Mobia Medical (MOBI) shares were purchased in the open market?

The filing reports an open-market purchase of 60,537 shares of Mobia Medical common stock at $15.00 per share. This transaction is classified as a non-derivative, indirect ownership entry for the reporting entities associated with Green Park & Golf Ventures Houston.

Which Mobia Medical (MOBI) preferred stock series were converted to common shares?

The filing states that Series F Preferred Stock, Series E-1 Preferred Stock, and Series E-2 Preferred Stock each converted into Mobia Medical common stock immediately prior to the company’s initial public offering, in line with the securities’ terms described in the footnotes.

What specific Mobia Medical (MOBI) preferred conversions are detailed in the Form 4?

The Form 4 details conversions into 126,005 common shares from Series F, 138,233 from Series E-2, and 83,579 and 38,875 from Series E-1 Preferred Stock. These conversions reflect derivative securities held by various HTX MCT investment LLCs.

Who controls the HTX MCT investment entities holding Mobia Medical (MOBI) shares?

The filing explains that Green Park & Golf Ventures - Houston, LLC is the managing member of HTX MCT1–MCT4 entities. Managers Clay M. Heighten, Carl D. Soderstrom, and Gilbert G. Garcia II share voting and dispositive power over the Mobia Medical shares held by these HTX entities.

How many derivative Mobia Medical (MOBI) shares were converted in total?

The transaction summary reports 1,346,858 derivative shares involved in conversions classified as exercises. These include Series F, Series E-1, and Series E-2 preferred positions that converted into Mobia Medical common stock immediately prior to the company’s initial public offering under their terms.

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Accepted by SEC EDGAR 06/29/2026 - 07:59 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).

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^*

Green Park & Golf Ventures - Houston, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Mobia Medical, Inc. [ MOBI ]

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)
05/11/2026

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
Common Stock	05/11/2026		C		38,875	A	(1)	38,875	I	See Footnote(2)(5)
Common Stock	05/11/2026		C		83,579	A	(1)	83,579	I	See Footnote(3)(5)
Common Stock	05/11/2026		C		138,233	A	(1)	138,233	I	See Footnote(4)(5)
Common Stock	05/11/2026		C		126,005	A	(1)	264,238	I	See Footnote(4)(5)
Common Stock	05/11/2026		P		60,537	A	$15	60,537	I	See Footnote(5)(6)

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
Series E-1 Preferred Stock	(1)	05/11/2026		C			135,404	(1)	(1)	Common Stock	38,875	(1)	0	I	See Footnote(2)(5)
Series E-1 Preferred Stock	(1)	05/11/2026		C			291,108	(1)	(1)	Common Stock	83,579	(1)	0	I	See Footnote(3)(5)
Series E-2 Preferred Stock	(1)	05/11/2026		C			481,468	(1)	(1)	Common Stock	138,233	(1)	0	I	See Footnote(4)(5)
Series F Preferred Stock	(1)	05/11/2026		C			438,878	(1)	(1)	Common Stock	126,005	(1)	0	I	See Footnote(4)(5)

1. Name and Address of Reporting Person^*

Green Park & Golf Ventures - Houston, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(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^*

HTX MCT1 0320 Investment, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(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^*

HTX MCT2 0221 Investment, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(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^*

HTX MCT3 0322 Investment, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(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^*

HTX MCT4 0226 Investment, LLC

(Last) (First) (Middle)

3701 KIRBY DR., SUITE 820

(Street)

HOUSTON TEXAS 77098

(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^*

Heighten Clay M

(Last) (First) (Middle)

5910 N. CENTRAL EXPRESSWAY, SUITE 1400

(Street)

DALLAS TEXAS 75206

(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^*

Soderstrom Carl D

(Last) (First) (Middle)

5910 N. CENTRAL EXPRESSWAY, SUITE 1400

(Street)

DALLAS TEXAS 75206

(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^*

Garcia Gilbert G. II

(Last) (First) (Middle)

5910 N. CENTRAL EXPRESSWAY, SUITE 1400

(Street)

DALLAS TEXAS 75206

(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. Each share of Series F Preferred Stock, Series E-1 Preferred Stock and Series E-2 Preferred Stock converted into Common Stock immediately prior to the completion of the Issuer's initial public offering pursuant to its terms.

2. The securities are held by HTX MCT1 0320 Investment, LLC ("HTX MCT1").

3. The securities are held by HTX MCT2 0221 Investment, LLC ("HTX MCT2").

4. The securities are held by HTX MCT3 0322 Investment, LLC ("HTX MCT3").

5. Green Park & Golf Ventures - Houston, LLC ("GPG Ventures Houston") is the managing member of each of HTX MCT1, HTX MCT2, HTX MCT3 and HTX MCT4 0226 Investment, LLC ("HTX MCT4"). Clay M. Heighten, MD, Carl D. Soderstrom and Gilbert G. Garcia II are managers of GPG Ventures Houston and share voting and dispositive power with respect to the shares held by each of HTX MCT1, HTX MCT2, HTX MCT3 and HTX MCT4, and as a result may be deemed to beneficially own such securities.

6. The securities are held by HTX MCT4.

Remarks:

This Form 4 is the fifth of five Forms 4 filed relating to the same event. Combined, the five Forms 4 report the holdings for the following reporting persons: Green Park & Golf Ventures II, LLC, Clay M. Heighten, MD, Carl D. Soderstrom, Gilbert G. Garcia II, GPG BFH, LLC, GPG Charles & Potomac, LLC, GPG Dais, LLC, GPG GR, LLC, GPG Healthcare Opportunities Fund II, LLC, GPG Healthcare Opportunities Fund, LLC, GPG JCT, LLC, GPG MTI 22, LLC, GPG MTI 25, LLC, GPG MOBI, LLC, GPG MTI 3-17 Investment, LLC, GPG PHL, LLC, GPG RM Investment, LLC, GPG SC, LLC, GPG WG, LLC, GPG MTIF, LLC, Micro TI Investment 2, LLC, Micro TI Investment, LLC, MTI 20 Investment, LLC, MTI 2015 Investment, LLC, HTX MCT1 0320 Investment, LLC, HTX MCT2 0221 Investment, LLC, HTX MCT3 0322 Investment, LLC, HTX MCT4 0226 Investment, LLC and Green Park & Golf Ventures - Houston, LLC. The Form 4 has been split into five filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting persons.

	/s/ Gilbert Garcia II, Vice President of HTX MCT1 0320 Investment, LLC	06/29/2026
	/s/ Gilbert Garcia II, Vice President of HTX MCT2 0221 Investment, LLC	06/29/2026
	/s/ Gilbert Garcia II, Vice President of HTX MCT3 0322 Investment, LLC	06/29/2026
	/s/ Gilbert Garcia II, Vice President of HTX MCT4 0226 Investment, LLC	06/29/2026
	/s/ Gilbert Garcia II, Vice President of Green Park & Golf Ventures - Houston, LLC	06/29/2026
	/s/ Clay M. Heighten, MD	06/29/2026
	/s/ Carl D. Soderstrom	06/29/2026
	/s/ Gilbert G. Garcia II	06/29/2026
	** 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)