SEC Form SC 13G/A filed by aTyr Pharma Inc. (Amendment)

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. ___)*

aTyr Pharma, Inc.

(Name of Issuer)

Common Stock, par value $0.001per share

(Title of Class of Securities)

002120202

(CUSIP Number)

February 9, 2023

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

[X]       Rule 13d-1(b)

[X]       Rule 13d-1(c)

[ ]       Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in 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).

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

3. SEC Use Only

3. SEC Use Only

Names of Reporting Persons.

Jon M. Plexico

3. SEC Use Only

Names of Reporting Persons.

Timothy P. Lynch

3. SEC Use Only

Item 1.

Item 2.

Stonepine Capital Management, LLC, a California limited liability company (the “General Partner”)

Stonepine Capital, L.P., a Delaware limited partnership (the “Partnership”)

Jon M. Plexico

Timothy P. Lynch (collectively, the “Filers”)

The General Partner is the general partner and investment adviser of investment funds, including the Partnership. Mr. Plexico and Mr. Lynch are the control persons of the General Partner. The Filers are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each Filer also disclaims beneficial ownership of the Stock except to the extent of that person’s pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of the Partnership should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any of the Stock covered by this Schedule 13G.

919 NW Bond Street, Suite 204

Bend, OR 97703

If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution _______________________________________________________________.

See Items 5-9 and 11 of the cover page for each Filer.

The percentages reported in this Schedule 13G are based on 51,234,382 shares of Common Stock outstanding immediately after the offering of Common Stock by the Issuer reported in the Prospectus Supplement filed by the Issuer on February 9, 2023.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [ ].

The Partnership holds the Stock for the benefit of its investors and has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Stock.

Not applicable.

Not applicable.

Not applicable.

Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G.

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

Certification of the Partnership

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

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.

Dated: February 17, 2023

EXHIBIT A

AGREEMENT REGARDING JOINT FILING

OF STATEMENT ON SCHEDULE 13D OR 13G

The undersigned agree to file jointly with the Securities and Exchange Commission (the “SEC”) any and all statements on Schedule 13D or Schedule 13G or Forms 3, 4 or 5(and any amendments or supplements thereto) required under section 13(d) and 16(a) of the Securities Exchange Act of 1934, as amended, in connection with purchases by the undersigned of the securities of any issuer. For that purpose, the undersigned hereby constitute and appoint Stonepine Capital Management, LLC, a California limited liability company, as their true and lawful agent and attorney-in-fact, with full power and authority for and on behalf of the undersigned to prepare or cause to be prepared, sign, file with the SEC and furnish to any other person all certificates, instruments, agreements and documents necessary to comply with section 13(d) and section 16(a) of the Securities Exchange Act of 1934, as amended, in connection with said purchases, and to do and perform every act necessary and proper to be done incident to the exercise of the foregoing power, as fully as the undersigned might or could do if personally present.

Dated: May 15, 2017