aTYR PHARMA INC (ATYR) Insider Ownership

Historic Insider Ownership Trends

According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at aTYR PHARMA are Director Paul Schimmel (1.42Mn shares), President And Ceo Sanjay Shukla (153.55K shares), Director Timothy Coughlin (56.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Paul Schimmel 1,421,913 28 Apr, 2023
Sanjay Shukla President And Ceo 153,553 04 Feb, 2026
Timothy Coughlin 56,000 19 May, 2023
Jill Marie Broadfoot Chief Financial Officer 37,296 04 Feb, 2026
Nancy Denyes General Counsel 33,124 04 Feb, 2026
John K Clarke 19,797 28 Apr, 2023
Jane A Gross 9,750 17 Mar, 2025
Svetlana Lucas 6,000 28 Apr, 2023
Sara Zaknoen 6,000 28 Apr, 2023

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
04 Feb, 2026 Jill Marie Broadfoot Common Stock D 1,558 $0.98 37,296 D S
04 Feb, 2026 Nancy Denyes Common Stock D 1,118 $0.98 33,124 D S
04 Feb, 2026 Sanjay Shukla Common Stock D 3,745 $0.98 153,553 D S
03 Feb, 2026 Jill Marie Broadfoot Common Stock A 3,750 - 38,854 D M
03 Feb, 2026 Nancy Denyes Common Stock A 2,687 - 34,242 D M
03 Feb, 2026 Sanjay Shukla Common Stock A 10,375 - 157,298 D M
09 Oct, 2025 Paul Schimmel - - 1,413,023 I
09 Oct, 2025 Paul Schimmel Common Stock A 317,999 $0.94 1,413,023 I P
08 Oct, 2025 Paul Schimmel Common Stock A 682,001 $0.90 1,095,024 I P
08 Oct, 2025 Paul Schimmel - - 1,095,024 I
17 Mar, 2025 Jane A Gross Common Stock A 3,750 $4.00 9,750 D P
17 Mar, 2025 Jane A Gross - - 9,750 D
04 Feb, 2025 Jill Marie Broadfoot Common Stock D 1,254 $3.78 31,763 D S
04 Feb, 2025 Nancy Denyes Common Stock D 899 $3.78 26,555 D S
04 Feb, 2025 Nancy Denyes - - 26,555 D
03 Feb, 2025 Jill Marie Broadfoot Common Stock A 3,750 - 33,017 D M
03 Feb, 2025 Nancy Denyes Common Stock A 2,687 - 27,454 D M
03 Feb, 2025 Sanjay Shukla - - 146,923 D
03 Feb, 2025 Sanjay Shukla Common Stock A 10,375 - 146,923 D M
24 Jul, 2024 Paul Schimmel - - 413,023 I