ATYRaTYR PHARMA INC
- Market cap
- $16.19M
- as of 2026-10-23
- Latest close
- $0.17
- as of 2026-10-23
- Sector
- Healthcare
- as of 2026-10-24
- Industry
- Biotechnology
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-11-13
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Yaras BrandonChief Financial Officer | Oct 1 | Oct 1 | A · derivative | 410,000 | $0.30 | $123,000 | 410,000 | No | Form 4 |
| Schimmel Paul | May 27 | May 28 | P | 100,000 | $0.50 | Purchase +$50,000 | 779,143 | No | Form 4 |
| Schimmel Paul | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Coughlin Timothy | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Zaknoen Sara | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Benevich Eric | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Gross Jane A | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Lucas Svetlana | May 11 | May 13 | A · derivative | 50,000 | $0.95 | $47,500 | 50,000 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 4 | Feb 4 | S | 1,118 | $0.98 | Sale −$1,096 | 33,124 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 4 | Feb 4 | S | 1,558 | $0.98 | Sale −$1,527 | 37,296 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 4 | Feb 4 | S | 3,745 | $0.98 | Sale −$3,670 | 153,553 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 3 | Feb 4 | M | 2,687 | not reported | not reported | 34,242 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 3 | Feb 4 | M · derivative | 2,687 | $0.00 | $0 | not reported | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 3 | Feb 4 | M | 3,750 | not reported | not reported | 38,854 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 3 | Feb 4 | M · derivative | 3,750 | $0.00 | $0 | not reported | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 3 | Feb 4 | M | 10,375 | not reported | not reported | 157,298 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 3 | Feb 4 | M · derivative | 10,375 | $0.00 | $0 | not reported | No | Form 4 |
| Denyes NancyGeneral Counsel | Jan 9 | Jan 9 | A · derivative | 412,500 | $0.71 | $292,875 | 412,500 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Jan 9 | Jan 9 | A · derivative | 412,500 | $0.71 | $292,875 | 412,500 | No | Form 4 |
| Shukla SanjayPresident and CEO | Jan 9 | Jan 9 | A · derivative | 1,500,000 | $0.71 | $1,065,000 | 1,500,000 | No | Form 4 |
| Schimmel Paul | Oct 9, 2025 | Oct 9, 2025 | P | 317,999 | $0.94 | Purchase +$298,919 | 1,413,023 | No | Form 4 |
| Schimmel Paul | Oct 8, 2025 | Oct 9, 2025 | P | 682,001 | $0.90 | Purchase +$613,801 | 1,095,024 | No | Form 4 |
| Coughlin Timothy | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Benevich Eric | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Gross Jane A | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Lucas Svetlana | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Schimmel Paul | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Zaknoen Sara | May 1, 2025 | May 2, 2025 | A · derivative | 50,000 | $3.34 | $167,000 | 50,000 | No | Form 4 |
| Gross Jane A | Mar 17, 2025 | Mar 17, 2025 | P | 3,750 | $4.00 | Purchase +$15,000 | 9,750 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 4, 2025 | Feb 4, 2025 | S | 899 | $3.78 | Sale −$3,398 | 26,555 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 4, 2025 | Feb 4, 2025 | S | 1,254 | $3.78 | Sale −$4,740 | 31,763 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 3, 2025 | Feb 4, 2025 | M | 2,687 | not reported | not reported | 27,454 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 3, 2025 | Feb 4, 2025 | M · derivative | 2,687 | $0.00 | $0 | 2,687 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 3, 2025 | Feb 4, 2025 | M | 3,750 | not reported | not reported | 33,017 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 3, 2025 | Feb 4, 2025 | M · derivative | 3,750 | $0.00 | $0 | 3,750 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 3, 2025 | Feb 4, 2025 | M | 10,375 | not reported | not reported | 146,923 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 3, 2025 | Feb 4, 2025 | M · derivative | 10,375 | $0.00 | $0 | 10,375 | No | Form 4 |
| Denyes NancyGeneral Counsel | Jan 8, 2025 | Jan 10, 2025 | A · derivative | 275,000 | $3.74 | $1,028,500 | 275,000 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Jan 8, 2025 | Jan 10, 2025 | A · derivative | 275,000 | $3.74 | $1,028,500 | 275,000 | No | Form 4 |
| Shukla SanjayPresident and CEO | Jan 8, 2025 | Jan 10, 2025 | A · derivative | 1,000,000 | $3.74 | $3,740,000 | 1,000,000 | No | Form 4 |
| Benevich Eric | Dec 10, 2024 | Dec 12, 2024 | A · derivative | 100,000 | $3.29 | $329,000 | 100,000 | No | Form 4 |
| Schimmel Paul | Jul 24, 2024 | Jul 24, 2024 | P | 52,300 | $1.93 | Purchase +$100,939 | 413,023 | No | Form 4 |
| Schimmel Paul | Jul 23, 2024 | Jul 24, 2024 | P | 6,648 | $1.82 | Purchase +$12,099 | 360,723 | No | Form 4 |
| Schimmel Paul | Jul 22, 2024 | Jul 24, 2024 | P | 41,052 | $1.74 | Purchase +$71,430 | 354,075 | No | Form 4 |
| Denyes NancyGeneral Counsel | Jun 5, 2024 | Jun 6, 2024 | P | 5,000 | $1.86 | Purchase +$9,300 | 22,267 | No | Form 4 |
| Shukla SanjayPresident and CEO | May 31, 2024 | Jun 3, 2024 | P | 20,000 | $1.81 | Purchase +$36,200 | 136,548 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | May 31, 2024 | Jun 3, 2024 | P | 5,000 | $1.79 | Purchase +$8,950 | 27,960 | No | Form 4 |
| Coughlin Timothy | May 30, 2024 | Jun 3, 2024 | P | 50,000 | $1.75 | Purchase +$87,500 | 56,000 | No | Form 4 |
| Coughlin Timothy | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Zaknoen Sara | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Schimmel Paul | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Lucas Svetlana | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Gross Jane A | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Clarke John K | May 22, 2024 | May 23, 2024 | A · derivative | 24,000 | $1.86 | $44,640 | 24,000 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 6, 2024 | Feb 6, 2024 | S | 1,590 | $1.69 | Sale −$2,687 | 20,821 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 5, 2024 | Feb 6, 2024 | M | 2,688 | not reported | not reported | 14,767 | No | Form 4 |
| Denyes NancyGeneral Counsel | Feb 5, 2024 | Feb 6, 2024 | M · derivative | 2,688 | $0.00 | $0 | 5,374 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 5, 2024 | Feb 6, 2024 | M | 3,750 | not reported | not reported | 22,411 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Feb 5, 2024 | Feb 6, 2024 | M · derivative | 3,750 | $0.00 | $0 | 7,500 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 5, 2024 | Feb 6, 2024 | M | 10,375 | not reported | not reported | 116,548 | No | Form 4 |
| Shukla SanjayPresident and CEO | Feb 5, 2024 | Feb 6, 2024 | M · derivative | 10,375 | $0.00 | $0 | 20,750 | No | Form 4 |
| Denyes NancyGeneral Counsel | Jan 5, 2024 | Jan 9, 2024 | A · derivative | 150,000 | $1.50 | $225,000 | 150,000 | No | Form 4 |
| Broadfoot Jill MarieChief Financial Officer | Jan 5, 2024 | Jan 9, 2024 | A · derivative | 150,000 | $1.50 | $225,000 | 150,000 | No | Form 4 |
| Shukla SanjayPresident and CEO | Jan 5, 2024 | Jan 9, 2024 | A · derivative | 600,000 | $1.50 | $900,000 | 600,000 | No | Form 4 |
| Shukla SanjayPresident and CEO | Dec 12, 2023 | Dec 12, 2023 | P | 12,000 | $1.18 | Purchase +$14,160 | 106,173 | No | Form 4 |
| Shukla SanjayPresident and CEO | Dec 11, 2023 | Dec 12, 2023 | P | 3,000 | $1.17 | Purchase +$3,510 | 94,173 | No | Form 4 |
| Shukla SanjayPresident and CEO | Nov 13, 2023 | Nov 13, 2023 | P | 13,578 | $1.11 | Purchase +$15,072 | 91,173 | No | Form 4 |
| Shukla SanjayPresident and CEO | Nov 10, 2023 | Nov 13, 2023 | P | 1,422 | $1.14 | Purchase +$1,621 | 77,595 | No | Form 4 |