SEC Form 4 · accession 0001209191-15-043036

aTYR PHARMA INC · LIFE

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

John K Clarke

Director · Other

Period of report

May 12, 2015

Accepted (ET)

May 14, 2015 · 9:35 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001339970

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	May 12, 2015	C	92,306	—	A	104,878	D
Common Stock^F3,F4,F5	May 12, 2015	C	1,758,158	—	A	1,758,158	I	See Footnote

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series E Redeemable Convertible Preferred Stock^F1,F2	—	May 12, 2015	C	893,655	D	—	—	Common Stock	92,306	D
Series A Redeemable Convertible Preferred Stock^F5,F3,F4	—	May 12, 2015	C	2,400,000	D	—	—	Common Stock	301,730	I
Series B Redeemable Convertible Preferred Stock^F5,F3,F4	—	May 12, 2015	C	3,600,000	D	—	—	Common Stock	452,595	I
Series B-2 Redeemable Convertible Preferred Stock^F5,F3,F4	—	May 12, 2015	C	4,320,173	D	—	—	Common Stock	543,136	I
Series C Redeemable Convertible Preferred Stock^F5,F3,F4	—	May 12, 2015	C	2,127,660	D	—	—	Common Stock	267,491	I
Series D Redeemable Convertible Preferred Stock^F5,F3,F4	—	May 12, 2015	C	1,536,787	D	—	—	Common Stock	193,206	I

Explanation of responses

F1The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converted into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares converted into Common Stock on a 1-for-9.6814 basis.
F2Reflects a 1-for 9.6814 stock conversion of the Issuer's Preferred Stock into Common Stock which became effective immediately prior to the closing of the Issuer's initial public offering.
F3The aggregate number of shares of Issuer's Preferred Stock held by the Reporting Person converted into Common Stock immediately prior to the closing of the Issuer's initial public offering and has no expiration date. These shares converted into Common Stock on a 1-for-7.95413 basis.
F4Reflects a 1-for-7.95413 stock conversion of the Issuer's Preferred Stock into Common Stock which became effective immediately prior to the closing of the Issuer's initial public offering.
F5These shares are owned directly by CHP II, L.P. ("CHP"). The general partner of CHP is CHP II Management, LLC ("CHP Management"). The managing members of CHP Management, John Clarke, Brandon Hull and John Park, are deemed to have voting and dispositive power over the shares and may be deemed to beneficially own certain shares held by CHP. Each Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of such securities for Section 16 or any other purpose.