UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): October 27, 2026
ATYR PHARMA, INC.
(Exact name of registrant as specified in its charter)
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Delaware |
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001-37378 |
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20-3435077 |
(State or other jurisdiction of incorporation) |
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(Commission File Number) |
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(IRS Employer Identification No.) |
10240 Sorrento Valley Road, Suite 300 San Diego, CA |
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92121 |
(Address of Principal Executive Offices) |
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(Zip Code) |
Registrant’s telephone number, including area code: (858) 731-8389
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
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Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) |
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Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) |
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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) |
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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Securities registered pursuant to Section 12(b) of the Act:
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Title of each class |
Trading Symbol(s) |
Name of each exchange on which registered |
Common Stock, par value $0.001 per share |
ATYR |
The Nasdaq Capital Market |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934.
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.
On October 27, 2026, aTyr Pharma, Inc. (the “Company”) filed a Certificate of Amendment to its Restated Certificate of Incorporation, as amended (the “Amendment”), with the Secretary of State of the State of Delaware to effect a one-for-forty (1-for-40) reverse stock split (the “Reverse Stock Split”) of its outstanding common stock. The Amendment will be effective at 5:00 p.m. Eastern Time on October 28, 2026. A series of alternate amendments to effect a reverse stock split was approved by the Company’s stockholders at the Company’s Special Meeting of Stockholders held on October 16, 2026, and the specific one-for-forty (1-for-40) Reverse Stock Split was subsequently approved by the Company’s board of directors on October 16, 2026.
The Amendment provides that, at the effective time of the Amendment, every forty (40) shares of the Company’s issued and outstanding common stock will automatically be combined into one (1) issued and outstanding share of common stock and the authorized shares of the Company’s common stock will remain 340,000,000, without any change in par value per share. As a result of the Reverse Stock Split, the number of shares of common stock outstanding will be reduced from approximately 100.5 million shares to approximately 2.5 million shares. The Reverse Stock Split will affect all shares of the Company’s common stock outstanding immediately prior to the effective time of the Amendment. As a result of the Reverse Stock Split, proportionate adjustments will be made to the per share exercise price and/or the number of shares issuable upon the exercise or vesting of all stock options, restricted stock units and warrants issued by the Company and outstanding immediately prior to the effective time of the Amendment, which will result in a proportionate decrease in the number of shares of the Company’s common stock reserved for issuance upon exercise or vesting of such stock options, restricted stock units and warrants, and, in the case of stock options and warrants, a proportionate increase in the exercise price of all such stock options and warrants. In addition, the number of shares reserved for issuance under the Company’s equity compensation plans immediately prior to the effective time of the Amendment will be reduced proportionately.
No fractional shares will be issued as a result of the Reverse Stock Split. Stockholders of record who would otherwise be entitled to receive a fractional share will be entitled to rounding up of the fractional share to a whole share. The Reverse Stock Split will affect all stockholders proportionately and will not affect any stockholder’s percentage ownership of the Company’s common stock (except to the extent that the Reverse Stock Split results in any stockholder owning only a fractional share).
The Company’s common stock will begin trading on The Nasdaq Capital Market under the same ticker symbol “ATYR” on a split-adjusted basis when the market opens on October 29, 2026. The new CUSIP number for the Company’s common stock following the Reverse Stock Split is 002120301.
The foregoing description is qualified in its entirety by the Amendment, which is filed as Exhibit 3.1 to this Current Report on Form 8-K and is incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
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Exhibit No. |
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Description |
3.1 |
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Certificate of Amendment to Restated Certificate of Incorporation of aTyr Pharma, Inc. |
104 |
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Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
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ATYR PHARMA, INC. |
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By: |
/s/ Brandon Yaras |
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Brandon Yaras |
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Chief Financial Officer |
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Date: October 27, 2026 |
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