aTyr Pharma Inc.

Last updated September 27, 2026

Organization details

Legal name
aTyr Pharma Inc.
Ownership
Public
Status
Active
Sector (GICS)
Health Care
SIC code
2836 — Biological Products, (No Diagnostic Substances)
Jurisdiction of incorporation
Delaware
Headquarters city
SAN Diego
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
ATYR
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001339970
EIN
20-3435077
Wikidata ID
Q30286352

Board of directors

Chief executives

Sanjay Shukla · President and CEO
Dates unknown

Director election results

Annual meeting of May 1, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

2 of this board's directors also sit on 5 other boards. 5 are in the same sector.

Network of aTyr Pharma Inc.'s board connections ADC Therapeutics SA ADC Therapeutics SA Fate Therapeutics Inc. Fate Therapeutics Inc. Jasper Therapeutics Inc. Jasper Therapeutics In... Travere Therapeutics Inc. Travere Therapeutics I... Vir Biotechnology Inc. Vir Biotechnology Inc. Svetlana Lucas Svetlana Lucas Timothy Coughlin Timothy Coughlin aTyr Pharma Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$50,000
1 purchase by 1 insider
Sold, last 12 months
$6,293
3 sales by 3 insiders
Date Insider Transaction Shares Price Value
May 27, 2026 Paul Schimmel Director Open-market purchase +100,000 $0.50 $50,000
Feb 4, 2026 Sanjay Shukla Director, Officer (President and CEO) Open-market sale −3,745 $0.98 $3,670
Feb 4, 2026 Jill Marie Broadfoot Officer (Chief Financial Officer) Open-market sale −1,558 $0.98 $1,527
Feb 4, 2026 DENYES NANCY Officer (General Counsel) Open-market sale −1,118 $0.98 $1,096
Feb 3, 2026 Sanjay Shukla Director, Officer (President and CEO) Option exercise +10,375 — —
Feb 3, 2026 Jill Marie Broadfoot Officer (Chief Financial Officer) Option exercise +3,750 — —
Feb 3, 2026 DENYES NANCY Officer (General Counsel) Option exercise +2,687 — —
Oct 9, 2025 Paul Schimmel Director Open-market purchase +317,999 $0.94 $298,919
Oct 8, 2025 Paul Schimmel Director Open-market purchase +682,001 $0.90 $613,801
Mar 17, 2025 Jane A. Gross Director Open-market purchase +3,750 $4.00 $15,000
Feb 4, 2025 Jill Marie Broadfoot Officer (Chief Financial Officer) Open-market sale −1,254 $3.78 $4,740
Feb 4, 2025 DENYES NANCY Officer (General Counsel) Open-market sale −899 $3.78 $3,398
Feb 3, 2025 Sanjay Shukla Director, Officer (President and CEO) Option exercise +10,375 — —
Feb 3, 2025 Jill Marie Broadfoot Officer (Chief Financial Officer) Option exercise +3,750 — —
Feb 3, 2025 DENYES NANCY Officer (General Counsel) Option exercise +2,687 — —

Organizations in the same sector, closest in location and size first.

Questions about aTyr Pharma Inc.

Who is the CEO of aTyr Pharma Inc.?

Sanjay Shukla is aTyr Pharma Inc.'s President and CEO.

How many directors are on aTyr Pharma Inc.'s board?

aTyr Pharma Inc.'s board has 8 directors: Eric Benevich, Jane A. Gross, John K. Clarke, Paul Schimmel, Sanjay Shukla, Sara Zaknoen, Svetlana Lucas and Timothy Coughlin.

Are aTyr Pharma Inc. insiders buying or selling shares?

Over the last 12 months, aTyr Pharma Inc. insiders bought $50,000 of shares in 1 purchase and sold $6,293 of shares in 3 sales on the open market, as reported to the SEC on Forms 4 and 5.

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