[SCHEDULE 13D] Azitra, Inc. Major Shareholder Acquisition (>5%)

Rhea-AI Filing Summary

Azitra, Inc.’s President and Chief Executive Officer, Francisco D. Salva, filed a Schedule 13D reporting a significant personal stake in the company. As of June 24, 2026, he beneficially owned 5,421,039 shares of common stock, representing 9.99% of the 52,907,666 shares outstanding.

His beneficial ownership includes 22,241 Incentive Stock Options and 1,334,748 shares underlying warrants that are exercisable within 60 days. It excludes 6,793,352 warrant shares that are not issuable within 60 days and are subject to a beneficial ownership limitation. Salva states he holds the securities for investment purposes but may buy or sell more shares depending on conditions.

Insights

Equity ownership and governance analyst

CEO discloses a 9.99% beneficial stake, signaling tightly capped but meaningful ownership.

CEO Francisco D. Salva reports beneficial ownership of 5,421,039 shares, equal to 9.99% of Azitra’s common stock as of June 24, 2026. This combines common shares, 22,241 Incentive Stock Options, and 1,334,748 warrant shares exercisable within 60 days.

He also holds warrants for an additional 6,793,352 shares that are not currently exercisable due to a beneficial ownership limitation. This cap keeps reported ownership below 10%, which can be relevant for regulatory thresholds and internal governance considerations.

Salva describes his position as for investment purposes and retains flexibility to increase or decrease holdings based on market conditions and the company’s prospects. Future changes in his stake would appear in subsequent ownership reports, providing ongoing visibility into insider positioning.

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Available on EDGAR 06/24/2026 - 08:30 AM Accepted by SEC EDGAR 06/24/2026 - 08:30 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

Azitra, Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

05479L302

(CUSIP Number)

Francisco D. Salva
21 Business Park Drive,,
Branford, CT, 06405
203-646-6446

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

06/16/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 05479L302

1

Name of reporting person

Salva Francisco D.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

PF

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 5,421,039.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 5,421,039.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

5,421,039.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.99 %

14

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Stock, par value $0.0001 per share
(b)	Name of Issuer: Azitra, Inc.
(c)	Address of Issuer's Principal Executive Offices: 21 Business Park Drive, BRANFORD, CONNECTICUT , 06405.
Item 2.	Identity and Background
(a)	Francisco D. Salva
(b)	c/o Azitra, Inc., 21 Business Park Drive, Branford, CT 06405
(c)	The Reporting Person is the President, Chief Executive Officer and a director of the Issuer.
(d)	During the last five years, the Reporting Person has not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
(e)	During the last five years, the Reporting Person has not been party to a civil proceeding of a judicial or administrative body of competent jurisdiction.
(f)	United States
Item 3.	Source and Amount of Funds or Other Consideration
	The Reporting Person received 22,241 Incentive Stock Options to purchase shares of the Issuer's Common Stock as compensation for serving as Chief Executive Officer of the Company. The Reporting Person acquired shares of Preferred Stock that automatically converted into 4,064,050 shares of the Issuer's Common Stock on June 16, 2026. The Reporting Person also holds warrants to purchase up to 8,128,100 shares of the Issuer's Common Stock, of which 1,334,748 warrants may be exercised in the 60 days following the date hereof, and the remainder are subject to a beneficial ownership limitation contained in the warrants. The Preferred Stock that converted into shares of the Issuer's Common Stock and the warrants were purchased with personal funds. No borrowed funds were used to acquire the securities reported.
Item 4.	Purpose of Transaction
	The Reporting Person acquired the securities for investment purposes and currently intends to hold the securities for investment. The Reporting Person may from time to time acquire additional securities of the Issuer or dispose of securities of the Issuer depending on market conditions, the Issuer's business and prospects, and other relevant factors.
Item 5.	Interest in Securities of the Issuer
(a)	As of June 24, 2026, the Reporting Person beneficially owned 5,421,039 shares of Common Stock of the Issuer, representing approximately 9.99% of the Issuer's outstanding Common Stock (based on 52,907,666 shares outstanding). Such 5,421,039 shares of Common Stock of the Issuer includes 22,241 Incentive Stock Options to purchase shares of the Issuer's Common Stock and 1,334,748 shares of Common Stock underlying warrants that may be exercised in the 60 days following the date hereof. It excludes 6,793,352 shares of the Issuer's Common Stock that are not issuable within the 60 days following the date hereof.
(b)	The Reporting Person has sole voting and dispositive power over all 5,421,039 shares held directly.
(c)	Except as disclosed in this Schedule 13D, the Reporting Person has not effected transactions in the Common Stock during the past 60 days.
(d)	Not applicable.
(e)	Not applicable.
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	None
Item 7.	Material to be Filed as Exhibits.
	None

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Salva Francisco D.

Signature:	/s/ Francisco D. Salva
Name/Title:	Francisco D. Salva
Date:	06/24/2026