Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * HARRINGTON WILLIAM T 2. Issuer Name and Ticker or Trading Symbol Mobia Medical, Inc. [MOBI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 2802 FLINTROCK TRACE, SUITE 226 3. Date of Earliest Transaction (Month/Day/Year) 01/30/2026 (Street) AUSTIN, TX 78738 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 284,324 A (1) 284,324 I See Footnote(2) Common Stock 05/11/2026 C 264,746 A (1) 264,746 I See Footnote(3) Common Stock 05/11/2026 C 1,455,726 A (4) 1,740,050 I See Footnote(2) Common Stock 05/11/2026 C 872,770 A (4) 1,137,516 I See Footnote(3) Common Stock 05/11/2026 P 266,666 A $15 2,006,716 I See Footnote(2) Common Stock 05/11/2026 P 266,667 A $15 1,404,183 I See Footnote(3)

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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 Underlying Securities (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 of Derivative Security: 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
Convertible Notes	(1)	01/30/2026(5)		A		3,411,892.25		(1)	(1)	Common Stock	284,324	$3,411,892.25	3,411,892.25	I	See Footnote(2)
Convertible Notes	(3)	01/30/2026(5)		A		3,176,955.03		(1)	(1)	Common Stock	264,746	$3,176,955.03	3,176,955.03	I	See Footnote(3)
Stock Option	$15	05/07/2026		A		31,520		(6)	05/07/2036	Common Stock	31,520	$ 0	31,520	D
Convertible Notes	(1)	05/11/2026		C			3,411,892.25	(1)	(1)	Common Stock	284,324	(1)	0	I	See Footnote(2)
Convertible Notes	(1)	05/11/2026		C			3,176,955.03	(1)	(1)	Common Stock	264,746	(1)	0	I	See Footnote(3)
Series E-2 Preferred Stock	(4)	05/11/2026		C			3,930,352	(4)	(4)	Common Stock	1,128,438	(4)	0	I	See Footnote(2)
Series F Preferred Stock	(4)	05/11/2026		C			1,139,946	(4)	(4)	Common Stock	327,288	(4)	0	I	See Footnote(2)
Series F Preferred Stock	(4)	05/11/2026		C			3,039,860	(4)	(4)	Common Stock	872,770	(4)	0	I	See Footnote(3)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
HARRINGTON WILLIAM T 2802 FLINTROCK TRACE, SUITE 226 AUSTIN, TX 78738	X	X

Signatures

/s/ Chase Leavitt, Attorney-in-Fact		05/11/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	The Convertible Notes automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering (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.
(2)	The securities are held by Osage University Partners III, LP ("OUP III"). Osage University GP III, LLC ("OUP III GP") is the general partner of OUP III. The Reporting Person is a manager of OUP III GP and may be deemed to share voting and dispositive power over the shares held by OUP III. Each of OUP III GP and the Reporting Person disclaims beneficial ownership over the securities held by OUP III, except to the extent of their pecuniary interests therein, if any.
(3)	The securities are held by Osage University Partners IV, LP ("OUP IV"). Osage University GP IV, LLC ("OUP IV GP") is the general partner of OUP IV. The Reporting Person is a manager of OUP IV GP and may be deemed to share voting and dispositive power over the shares held by OUP IV. Each of OUP IV GP and the Reporting Person disclaims beneficial ownership over the securities held by OUP IV, except to the extent of their pecuniary interests therein, if any.
(4)	Each share of the Series F Preferred Stock and Series E-2 Preferred Stock converted into Common Stock immediately prior to the completion of the Offering pursuant to its terms.
(5)	This transaction occurred prior to the Issuer's registration of a class of equity securities under Section 12 of the Securities Exchange Act of 1934, as amended, in connection with the Offering, and is reported herein pursuant to Rule 16a-2(a).
(6)	The stock option will vest in three substantially equal installments on the first three anniversaries of the grant date.

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