Other Information
−Removed: During the period from January 1, 2025 to March 31, 2025, our Chief Executive Officer adopted a contract, instructions or written plans for the sale of our securities as noted below:
+Added: During the period covered by this report, our Chief Financial Officer and General Counsel adopted a contract, instructions or written plans for the sale of our securities as noted below:
Trading Arrangement
3 unchanged sentences
to be Sold***
−Removed: Chief Executive Officer and Director
+Added: Chief Financial Officer
+Added: General Counsel
_______________
3 unchanged sentences
The number of shares sold is dependent on the satisfaction of certain conditions as set forth in the written plan and the satisfaction of applicable vesting conditions of equity awards.
−Removed: These shares would be sold through option exercises pursuant to a employee stock option grants.
−Removed: In addition, our officers (as defined in Rule 16a-1(f) under the Exchange Act) have historically entered into sell-to-cover arrangements which constitute "non-Rule 10b5-1 trading arrangements" authorizing the pre-arranged sale of shares to our satisfy tax withholding obligations arising exclusively from the vesting of time-vesting or performance-vesting restricted stock units and the related issuance of shares.
−Removed: The amount of shares to be sold to satisfy the our tax withholding obligations under these arrangements has been dependent on future events which cannot be known in advance, including the future trading price of our shares.
−Removed: The expiration date relating to these arrangements has been dependent on future events which cannot be known in advance, including the final vest date of the applicable time-vesting or performance-vesting restricted stock units and the officer’s termination of service.
+Added: These shares would be sold through option exercises pursuant to employee stock option grants.
Index to Exhibits
15 unchanged sentences
2015 Stock Option Plan and Incentive Plan, as amended
+Added: 2022 Inducement Plan, as amended
+Added: Filed herewith
Certification of Principal Executive Officer required by Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
18 unchanged sentences
aTyr Pharma, Inc.
+Added: August 7, 2025
/s/ Sanjay S.
5 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.