aTYR PHARMA INC
ATYR- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001339970
No open-market purchases or sales by aTYR PHARMA INC insiders were filed in the last 90 days; 89 institutions reported holding it in 13F filings for Q2 2026, worth $24.2M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by aTYR PHARMA INC insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for aTYR PHARMA INC, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Schimmel Paul | Director | 779,143Indirect | May 28, 2026 | 3 |
| Coughlin Timothy | Director | 56,000Indirect | May 13, 2026 | 1 |
| Zaknoen Sara | Director | 6,000 | May 13, 2026 | 1 |
| Benevich Eric | Director | – | May 13, 2026 | 1 |
| Gross Jane A | Director | 9,750 | May 13, 2026 | 1 |
| Lucas Svetlana | Director | 6,000 | May 13, 2026 | 1 |
| Broadfoot Jill Marie | Chief Financial Officer | 37,296 | Feb 4, 2026 | 2 |
| Denyes Nancy | General Counsel | 33,124 | Feb 4, 2026 | 2 |
| Shukla Sanjay | President and CEO | 153,553 | Feb 4, 2026 | 2 |
| Clarke John K | Director | 19,797 | May 23, 2024 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 28, 2026 (view filing) | May 27 | 1 day | Schimmel PaulDirector | PPurchase | +100.0K | $0.50 | +$50.0K | +14.7%779.1K after | |
| Feb 4, 2026 (view filing) | Feb 4 | Same day | Shukla SanjayPresident and CEO | SSale | −3.75K | $0.98 | −$3.67K | −2.4%153.6K after | |
| Feb 4, 2026 (view filing) | Feb 4 | Same day | Broadfoot Jill MarieChief Financial Officer | SSale | −1.56K | $0.98 | −$1.53K | −4.0%37.3K after | |
| Feb 4, 2026 (view filing) | Feb 4 | Same day | Denyes NancyGeneral Counsel | SSale | −1.12K | $0.98 | −$1.10K | −3.3%33.1K after | |
| Oct 9, 2025 (view filing) | Oct 8-9 | 1 day | Schimmel PaulDirector | PPurchase | +1.00M | $0.9127 | +$912.7K | +242.1%1.41M after | 2 lots |
| Mar 17, 2025 (view filing) | Mar 17 | Same day | Gross Jane ADirector | PPurchase | +3.75K | $4.00 | +$15.0K | +62.5%9.75K after | |
| Feb 4, 2025 (view filing) | Feb 4 | Same day | Broadfoot Jill MarieChief Financial Officer | SSale | −1.25K | $3.78 | −$4.74K | −3.8%31.8K after | |
| Feb 4, 2025 (view filing) | Feb 4 | Same day | Denyes NancyGeneral Counsel | SSale | −899 | $3.78 | −$3.40K | −3.3%26.6K after | |
| Jul 24, 2024 (view filing) | Jul 22-24 | 2 days | Schimmel PaulDirector | PPurchase | +100.0K | $1.84 | +$184.5K | +31.9%413.0K after | 3 lots |
| Jun 6, 2024 (view filing) | Jun 5 | 1 day | Denyes NancyGeneral Counsel | PPurchase | +5.00K | $1.86 | +$9.30K | +29.0%22.3K after | |
| Jun 3, 2024 (view filing) | May 30 | 4 days | Coughlin TimothyDirector | PPurchase | +50.0K | $1.75 | +$87.5K | +833.3%56.0K after | |
| Jun 3, 2024 (view filing) | May 31 | 3 days | Broadfoot Jill MarieChief Financial Officer | PPurchase | +5.00K | $1.79 | +$8.95K | +21.8%28.0K after | |
| Jun 3, 2024 (view filing) | May 31 | 3 days | Shukla SanjayPresident and CEO | PPurchase | +20.0K | $1.81 | +$36.2K | +17.2%136.5K after | |
| Feb 6, 2024 (view filing) | Feb 6 | Same day | Broadfoot Jill MarieChief Financial Officer | SSale | −1.59K | $1.69 | −$2.69K | −7.1%20.8K after | |
| Dec 12, 2023 (view filing) | Dec 11-12 | 1 day | Shukla SanjayPresident and CEO | PPurchase | +15.0K | $1.18 | +$17.7K | +16.5%106.2K after | 2 lots |
| Nov 13, 2023 (view filing) | Nov 10-13 | 3 days | Shukla SanjayPresident and CEO | PPurchase | +15.0K | $1.11 | +$16.7K | +19.7%91.2K after | 2 lots |
| Aug 1, 2023 (view filing) | Jul 28 | 4 days | Shukla SanjayPresident and CEO | PPurchase | +15.0K | $2.01 | +$30.1K | +24.5%76.2K after | |
| May 11, 2023 (view filing) | May 10 | 1 day | Schimmel PaulDirector | PPurchase | +200.0K | $2.25 | +$450.0K | +177.0%313.0K after | |
| Feb 6, 2023 (view filing) | Feb 6 | Same day | Broadfoot Jill MarieChief Financial Officer | SSale | −1.57K | $2.36 | −$3.70K | −9.2%15.5K after | |
| Nov 21, 2022 (view filing) | Nov 21 | Same day | Shukla SanjayPresident and CEO | PPurchase | +10.0K | $2.14 | +$21.4K | +24.5%50.8K after | |
| Jul 6, 2022 (view filing) | Jul 1 | 5 days | Shukla SanjayPresident and CEO | PPurchase | +15.0K | $2.88 | +$43.2K | +58.1%40.8K after | |
| Jan 18, 2022 (view filing) | Jan 13 | 5 days | Broadfoot Jill MarieChief Financial Officer | PPurchase | +1.92K | $6.75 | +$13.0K | +18.9%12.1K after | |
| Jan 10, 2022 (view filing) | Jan 7 | 3 days | Shukla SanjayPresident and CEO | PPurchase | +5.00K | $6.76 | +$33.8K | +24.0%25.8K after | |
| Nov 15, 2021 (view filing) | Nov 15 | Same day | Shukla SanjayPresident and CEO | PPurchase | +2.50K | $8.58 | +$21.4K | +13.7%20.8K after | |
| Sep 22, 2021 (view filing) | Sep 20 | 2 days | Schimmel PaulDirector | PPurchase | +250.0K | $8.00 | +$2.00M | +8,650.5%252.9K after |