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Mobia Medical (MOBI) insiders convert preferred, notes and add 33K common shares

Filing Impact
(Moderate)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Mobia Medical, Inc. reported that investment entities affiliated with Green Park & Golf Ventures II, LLC and related holders converted multiple preferred stock series, warrants and convertible notes into Common Stock, largely eliminating these derivatives immediately prior to the company’s initial public offering.

The filing shows conversions of Series B, Series D, Series F, Series E-1 and Series E-2 Preferred Stock into Common Stock, as well as Convertible Notes that converted into Common Stock under a formula based on the Offering price and pre‑offering valuation. A warrant to purchase Series B Preferred Stock was exercised, issuing Common Stock at an exercise price of $3.73744 per share with the warrant otherwise expiring on December 14, 2032.

In addition to these non‑cash conversions, an affiliated entity reported an open‑market purchase of 33,333 shares of Common Stock at $15.00 per share, increasing indirect holdings. All reported positions are held indirectly through LLCs managed by GPG Ventures II and its managers, who share voting and dispositive power over the securities.

Positive

  • None.

Negative

  • None.
Insider Green Park & Golf Ventures II, LLC, GPG SC, LLC, GPG WG, LLC, GPG MTIF, LLC, Micro TI Investment 2, LLC, Micro TI Investment, LLC, MTI 20 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 | 10% Owner | 10% Owner
Bought 33,333 shs ($500K)
Type Security Shares Price Value
Conversion Series E-2 Preferred Stock 78,606 $0.00 --
Conversion Series F Preferred Stock 56,996 $0.00 --
Conversion Convertible Notes 100,000 $0.00 --
Conversion Series E-1 Preferred Stock 90,529 $0.00 --
Conversion Convertible Notes 250,000 $0.00 --
Conversion Convertible Notes 5,573,878.52 $0.00 --
Conversion Series B Preferred Stock 81,000 $0.00 --
X Series B Preferred Warrant 81,000 $0.00 --
Conversion Series B Preferred Stock 94,000 $0.00 --
Conversion Convertible Notes 293,000 $0.00 --
Conversion Series E-1 Preferred Stock 1,083,604 $0.00 --
Conversion Common Stock 22,568 $0.00 --
Conversion Common Stock 16,364 $0.00 --
Conversion Common Stock 8,333 $0.00 --
Conversion Common Stock 25,991 $0.00 --
Conversion Common Stock 20,833 $0.00 --
Purchase Common Stock 33,333 $15.00 $500K
Conversion Common Stock 464,489 $0.00 --
Conversion Common Stock 23,255 $0.00 --
X Common Stock 23,255 $0.00 --
Conversion Common Stock 26,988 $0.00 --
Conversion Common Stock 24,416 $0.00 --
Conversion Common Stock 311,112 $0.00 --
Holdings After Transaction: Series E-2 Preferred Stock — 0 shares (Indirect, See Footnote); Series F Preferred Stock — 0 shares (Indirect, See Footnote); Convertible Notes — 0 shares (Indirect, See Footnote); Series E-1 Preferred Stock — 0 shares (Indirect, See Footnote); Series B Preferred Stock — 0 shares (Indirect, See Footnote); Series B Preferred Warrant — 0 shares (Indirect, See Footnote); Common Stock — 22,568 shares (Indirect, See Footnote)
Footnotes (1)
  1. Each share of Series B Preferred Stock, Series D Preferred Stock, 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 (the "Offering") pursuant to its terms. The securities are held by GPG SC, LLC ("SC"). The Convertible Notes converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes. The securities are held by GPG WG, LLC ("WG"). The securities are held by GPG MTIF, LLC ("MTIF"). The securities are held by Micro TI Investment 2, LLC ("Micro TI 2"). Common stock issued upon exercise of warrant to purchase Series B Preferred Stock. The warrants have an exercise price of $3.73744 per share. Unless exercised earlier, the warrants will expire December 14, 2032. The securities are held by Micro TI Investment, LLC ("Micro TI"). The securities are held by MTI 20 Investment, LLC ("MTI 20"). Green Park & Golf Ventures II, LLC ("GPG Ventures II") is the managing member of each of SC, WG, MTIF, Micro TI, Micro TI 2, and MTI 20. Clay M. Heighten, MD, Carl D. Soderstrom and Gilbert G. Garcia II are managers of GPG Ventures II and share voting and dispositive power with respect to the shares held by each of SC, WG, MTIF, Micro TI, Micro TI 2, and MTI 20, and as a result may be deemed to beneficially own such securities.
Open-market purchase 33,333 shares at $15.00 Common Stock bought indirectly on May 11, 2026
Post-purchase holdings 80,157 shares Indirect Common Stock position after 33,333-share buy
Series E-1 conversion 1,083,604 preferred into 311,112 common Series E-1 Preferred Stock converted immediately before IPO
Large notes conversion 5,573,878.52 notes into 464,489 common Convertible Notes conversion into Common Stock
Series B warrant exercise $3.73744/share strike Warrant exercisable until December 14, 2032
Exercise and conversion count 22 acquire-type transactions Conversions and exercises reported in transaction summary
Net buy direction 33,333 net buy shares Transaction summary netBuySellShares, net-buy
Convertible Notes financial
"The Convertible Notes converted into Common Stock immediately prior to the closing of the Offering."
Convertible notes are a type of short-term loan that a company receives from investors, which can later be turned into company shares instead of being paid back in cash. They matter to investors because they offer a way to support a company early on while giving the potential to own a stake in its success if the company grows and later raises more funding.
in-the-money derivative exercise financial
"transaction_action": "in-the-money derivative exercise""
Series E-1 Preferred Stock financial
"Each share of Series B Preferred Stock, Series D Preferred Stock, Series F Preferred Stock, Series E-1 Preferred Stock and Series E-2 Preferred Stock converted into Common Stock"
initial public offering financial
"converted into Common Stock immediately prior to the completion of the Issuer's initial public offering (the "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.
exercise price financial
"The warrants have an exercise price of $3.73744 per share."
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.
voting and dispositive power financial
"share voting and dispositive power with respect to the shares held by each of SC, WG, MTIF, Micro TI, Micro TI 2, and MTI 20"
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FAQ

What did Mobia Medical (MOBI) insiders report in this Form 4?

Affiliated investment entities reported large conversions of preferred stock, warrants and convertible notes into Mobia Medical Common Stock, plus an open-market purchase of 33,333 shares at $15.00 per share. These actions primarily clean up pre-IPO capital structure and increase indirect common ownership.

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

An affiliated entity reported buying 33,333 Mobia Medical Common Stock shares at $15.00 each. This open-market transaction increased indirect holdings to 80,157 shares following the purchase, alongside much larger non-cash share issuances from preferred stock and convertible note conversions.

Which Mobia Medical (MOBI) securities were converted into Common Stock?

Series B, Series D, Series F, Series E-1 and Series E-2 Preferred Stock, as well as several tranches of Convertible Notes, converted into Mobia Medical Common Stock. These conversions occurred immediately before completion or closing of the company’s initial public offering, simplifying the equity structure.

How were Mobia Medical (MOBI) Convertible Notes converted in this filing?

Convertible Notes converted into Mobia Medical Common Stock immediately before the offering’s closing. The conversion price was the lower of 80% of the offering price per share or the issuer’s pre-offering valuation divided by fully diluted shares outstanding, excluding the notes, as described in the disclosure.

Who controls the Mobia Medical (MOBI) shares reported in this Form 4?

The securities are held indirectly by LLCs such as GPG SC, GPG WG, GPG MTIF, Micro TI, Micro TI 2 and MTI 20. Green Park & Golf Ventures II, LLC manages these entities, and its managers share voting and dispositive power over the reported Mobia Medical shares.
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).
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 II, LLC

(Last)(First)(Middle)
5910 N. CENTRAL EXPRESSWAY, SUITE 1400

(Street)
DALLAS TEXAS 75206

(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)
DirectorX10% 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
XForm 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 Stock05/11/2026C22,568A(1)22,568ISee Footnote(2)(10)
Common Stock05/11/2026C16,364A(1)38,932ISee Footnote(2)(10)
Common Stock05/11/2026C8,333A(3)47,265ISee Footnote(2)(10)
Common Stock05/11/2026C25,991A(1)25,991ISee Footnote(4)(10)
Common Stock05/11/2026C20,833A(3)46,824ISee Footnote(4)(10)
Common Stock05/11/2026P33,333A$1580,157ISee Footnote(4)(10)
Common Stock05/11/2026C464,489A(3)464,489ISee Footnote(5)(10)
Common Stock05/11/2026C23,255A(1)23,255ISee Footnote(6)(10)
Common Stock05/11/2026X23,255A(7)46,510ISee Footnote(6)(7)(10)
Common Stock05/11/2026C26,988A(1)26,988ISee Footnote(8)(10)
Common Stock05/11/2026C24,416A(3)51,404ISee Footnote(8)(10)
Common Stock05/11/2026C311,112A(1)311,112ISee Footnote(9)(10)
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
Series E-2 Preferred Stock(1)05/11/2026C78,606 (1) (1)Common Stock22,568(1)0ISee Footnote(2)(10)
Series F Preferred Stock(1)05/11/2026C56,996 (1) (1)Common Stock16,364(1)0ISee Footnote(2)(10)
Convertible Notes(3)05/11/2026C100,000 (3) (3)Common Stock8,333(3)0ISee Footnote(2)(10)
Series E-1 Preferred Stock(1)05/11/2026C90,529 (1) (1)Common Stock25,991(1)0ISee Footnote(4)(10)
Convertible Notes(3)05/11/2026C250,000 (3) (3)Common Stock20,833(3)0ISee Footnote(4)(10)
Convertible Notes(3)05/11/2026C5,573,878.52 (3) (3)Common Stock464,489(3)0ISee Footnote(5)(10)
Series B Preferred Stock(1)05/11/2026C81,000 (1) (1)Common Stock23,255(1)0ISee Footnote(6)(10)
Series B Preferred Warrant(7)05/11/2026X81,000 (7) (7)Common Stock23,255(7)0ISee Footnote(6)(7)(10)
Series B Preferred Stock(1)05/11/2026C94,000 (1) (1)Common Stock26,988(1)0ISee Footnote(8)(10)
Convertible Notes(3)05/11/2026C293,000 (3) (3)Common Stock24,416(3)0ISee Footnote(8)(10)
Series E-1 Preferred Stock(1)05/11/2026C1,083,604 (1) (1)Common Stock311,112(1)0ISee Footnote(9)(10)
1. Name and Address of Reporting Person*
Green Park & Golf Ventures II, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
GPG SC, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
GPG WG, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
GPG MTIF, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Micro TI Investment 2, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
Micro TI Investment, LLC

(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
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
MTI 20 Investment, LLC

(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
DirectorX10% 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
DirectorX10% 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
DirectorX10% 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
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. Each share of Series B Preferred Stock, Series D Preferred Stock, 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 (the "Offering") pursuant to its terms.
2. The securities are held by GPG SC, LLC ("SC").
3. The Convertible Notes converted into Common Stock immediately prior to the closing of the Offering. The conversion price is the lower of (a) 80% of the Offering price per share and (b) the valuation of the Issuer immediately prior to the closing of the Offering divided by the number of fully diluted shares of capital stock (on an as-converted basis) outstanding immediately prior to Offering, excluding the Convertible Notes.
4. The securities are held by GPG WG, LLC ("WG").
5. The securities are held by GPG MTIF, LLC ("MTIF").
6. The securities are held by Micro TI Investment 2, LLC ("Micro TI 2").
7. Common stock issued upon exercise of warrant to purchase Series B Preferred Stock. The warrants have an exercise price of $3.73744 per share. Unless exercised earlier, the warrants will expire December 14, 2032.
8. The securities are held by Micro TI Investment, LLC ("Micro TI").
9. The securities are held by MTI 20 Investment, LLC ("MTI 20").
10. Green Park & Golf Ventures II, LLC ("GPG Ventures II") is the managing member of each of SC, WG, MTIF, Micro TI, Micro TI 2, and MTI 20. Clay M. Heighten, MD, Carl D. Soderstrom and Gilbert G. Garcia II are managers of GPG Ventures II and share voting and dispositive power with respect to the shares held by each of SC, WG, MTIF, Micro TI, Micro TI 2, and MTI 20, and as a result may be deemed to beneficially own such securities.
Remarks:
This Form 4 is the third 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 GPG SC, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of GPG WG, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of GPG MTIF, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of Micro TI Investment 2, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of Micro TI Investment, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of MTI 20 Investment, LLC06/29/2026
/s/ Gilbert Garcia II, Vice President of Green Park & Golf Ventures II, LLC06/29/2026
/s/ Clay M. Heighten, MD06/29/2026
/s/ Carl D. Soderstrom06/29/2026
/s/ Gilbert G. Garcia II06/29/2026
** 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)