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aTyr Pharma, Inc.

ATYR
Healthcare|Biotechnology|US
$6.35
+0.32 (+5.31%)
Tangible Book / Share
$13.76
Cash / Share
$20.46

Ownership Breakdown

99.8%
Float
2.5M
Shares Outstanding
2.4M
Float Shares

Major Holders (12)

Combined: 32.1%

Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.

HolderType% of ClassSharesFiledFiling
The Vanguard GroupInvestment adviser5.23%4,655,048Jul 29, 202513D/G
Point72 Capital Advisors, Inc.Corporation3.20%2,845,354May 15, 202513D/G
Point72 Asset Management, L.P.Partnership3.20%2,845,354May 15, 202513D/G
Steven A. CohenIndividual3.20%2,845,354May 15, 202513D/G
Abigail P. JohnsonIndividual2.50%2,471,418Aug 6, 202613D/G
FMR LLCHolding company2.50%2,471,418Aug 6, 202613D/G
Logos Global Master Fund LPPartnership2.10%1,750,000Nov 14, 202413D/G
Logos Global Management LPIA, PN2.10%1,750,000Nov 14, 202413D/G
Logos Global Management GP LLCHC, OO2.10%1,750,000Nov 14, 202413D/G
Arsani WilliamHC, IN2.10%1,750,000Nov 14, 202413D/G
Logos GP LLCOther2.10%1,750,000Nov 14, 202413D/G
BlackRock, Inc.Holding company1.80%1,725,072Jul 27, 202613D/G

Insider Trades (100)

Last 4 quarters: 4,151,812 acquired · 23,233 disposed
InsiderPositionDateTypeSharesPriceValueFiling
Yaras BrandonChief Financial OfficerOct 1, 2026AWARD410,000$0.30$123.0KForm 4
Yaras BrandonChief Financial OfficerOct 1, 2026OTHER70,000$3.48$243.6KForm 4
Yaras BrandonChief Financial OfficerOct 1, 2026OTHER28,450$2.19$62.4KForm 4
Yaras BrandonChief Financial OfficerOct 1, 2026OTHER55,000$1.50$82.5KForm 4
Yaras BrandonChief Financial OfficerOct 1, 2026OTHER84,142$3.74$314.7KForm 4
Yaras BrandonChief Financial OfficerOct 1, 2026OTHER88,000——Form 4
SCHIMMEL PAULdirectorMay 27, 2026BUY100,000$0.50$49.6KForm 4
Coughlin TimothydirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
BENEVICH ERICdirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
Gross Jane AdirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
Lucas SvetlanadirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
Zaknoen SaradirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
SCHIMMEL PAULdirectorMay 11, 2026AWARD50,000$0.95$47.5KForm 4
Shukla Sanjaydirector, officer: President and CEOFeb 3, 2026OPTION EX.10,375——Form 4
Shukla Sanjaydirector, officer: President and CEOFeb 4, 2026SELL3,745$0.98$3.7KForm 4
Shukla Sanjaydirector, officer: President and CEOFeb 3, 2026OPTION EX.10,375——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 3, 2026OPTION EX.3,750——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 4, 2026SELL1,558$0.98$1.5KForm 4
Broadfoot Jill MarieChief Financial OfficerFeb 3, 2026OPTION EX.3,750——Form 4
DENYES NANCYGeneral CounselFeb 3, 2026OPTION EX.2,687——Form 4
DENYES NANCYGeneral CounselFeb 4, 2026SELL1,118$0.98$1.1KForm 4
DENYES NANCYGeneral CounselFeb 3, 2026OPTION EX.2,687——Form 4
Shukla Sanjaydirector, officer: President and CEOJan 9, 2026AWARD1,500,000$0.71$1.1MForm 4
Broadfoot Jill MarieChief Financial OfficerJan 9, 2026AWARD412,500$0.71$294.0KForm 4
DENYES NANCYGeneral CounselJan 9, 2026AWARD412,500$0.71$294.0KForm 4
SCHIMMEL PAULdirectorOct 9, 2025BUY317,999$0.94$299.4KForm 4
SCHIMMEL PAULdirectorOct 8, 2025BUY682,001$0.90$612.4KForm 4
Zaknoen SaradirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
SCHIMMEL PAULdirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
Lucas SvetlanadirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
Gross Jane AdirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
BENEVICH ERICdirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
COUGHLIN TIMOTHYdirectorMay 1, 2025AWARD50,000$3.34$167.0KForm 4
Gross Jane AdirectorMar 17, 2025BUY3,750$4.00$15.0KForm 4
Shukla Sanjaydirector, officer: President and CEOFeb 3, 2025OPTION EX.10,375——Form 4
Shukla Sanjaydirector, officer: President and CEOFeb 3, 2025OPTION EX.10,375——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 3, 2025OPTION EX.3,750——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 4, 2025SELL1,254$3.78$4.7KForm 4
Broadfoot Jill MarieChief Financial OfficerFeb 3, 2025OPTION EX.3,750——Form 4
DENYES NANCYGeneral CounselFeb 3, 2025OPTION EX.2,687——Form 4
DENYES NANCYGeneral CounselFeb 4, 2025SELL899$3.78$3.4KForm 4
DENYES NANCYGeneral CounselFeb 3, 2025OPTION EX.2,687——Form 4
Shukla Sanjaydirector, officer: President and CEOJan 8, 2025AWARD1,000,000$3.74$3.7MForm 4
Broadfoot Jill MarieChief Financial OfficerJan 8, 2025AWARD275,000$3.74$1.0MForm 4
DENYES NANCYGeneral CounselJan 8, 2025AWARD275,000$3.74$1.0MForm 4
BENEVICH ERICdirectorDec 10, 2024AWARD100,000$3.29$329.0KForm 4
BENEVICH ERICDec 10, 2024OTHER0——Form 4
SCHIMMEL PAULdirectorJul 24, 2024BUY52,300$1.93$101.0KForm 4
SCHIMMEL PAULdirectorJul 23, 2024BUY6,648$1.82$12.1KForm 4
SCHIMMEL PAULdirectorJul 22, 2024BUY41,052$1.74$71.5KForm 4
DENYES NANCYGeneral CounselJun 5, 2024BUY5,000$1.86$9.3KForm 4
COUGHLIN TIMOTHYdirectorMay 30, 2024BUY50,000$1.75$87.5KForm 4
Broadfoot Jill MarieChief Financial OfficerMay 31, 2024BUY5,000$1.79$8.9KForm 4
Shukla Sanjaydirector, officer: President and CEOMay 31, 2024BUY20,000$1.81$36.1KForm 4
CLARKE JOHN KdirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
Gross Jane AdirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
Lucas SvetlanadirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
SCHIMMEL PAULdirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
Zaknoen SaradirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
COUGHLIN TIMOTHYdirectorMay 22, 2024AWARD24,000$1.86$44.6KForm 4
Shukla Sanjaydirector, officer: President and CEOFeb 5, 2024OPTION EX.10,375——Form 4
Shukla Sanjaydirector, officer: President and CEOFeb 5, 2024OPTION EX.10,375——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 5, 2024OPTION EX.3,750——Form 4
Broadfoot Jill MarieChief Financial OfficerFeb 6, 2024SELL1,590$1.69$2.7KForm 4
Broadfoot Jill MarieChief Financial OfficerFeb 5, 2024OPTION EX.3,750——Form 4
DENYES NANCYGeneral CounselFeb 5, 2024OPTION EX.2,688——Form 4
DENYES NANCYGeneral CounselFeb 5, 2024OPTION EX.2,688——Form 4
Shukla Sanjaydirector, officer: President and CEOJan 5, 2024AWARD600,000$1.50$900.0KForm 4
Broadfoot Jill MarieChief Financial OfficerJan 5, 2024AWARD150,000$1.50$225.0KForm 4
DENYES NANCYGeneral CounselJan 5, 2024AWARD150,000$1.50$225.0KForm 4
Shukla Sanjaydirector, officer: President and CEODec 12, 2023BUY12,000$1.18$14.1KForm 4
Shukla Sanjaydirector, officer: President and CEODec 11, 2023BUY3,000$1.17$3.5KForm 4
Shukla Sanjaydirector, officer: President and CEONov 13, 2023BUY13,578$1.11$15.1KForm 4
Shukla Sanjaydirector, officer: President and CEONov 10, 2023BUY1,422$1.14$1.6KForm 4
Shukla Sanjaydirector, officer: President and CEOJul 28, 2023BUY15,000$2.01$30.2KForm 4
Zaknoen SaradirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
SCHIMMEL PAULdirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
Lucas SvetlanadirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
Gross Jane AdirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
COUGHLIN TIMOTHYdirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
COUGHLIN TIMOTHYdirectorMay 17, 2023GIFT6,000——Form 4
COUGHLIN TIMOTHYdirectorMay 17, 2023GIFT6,000——Form 4
CLARKE JOHN KdirectorMay 17, 2023AWARD12,000$2.52$30.2KForm 4
SCHIMMEL PAULdirectorMay 10, 2023BUY200,000$2.25$450.0KForm 4
Zaknoen SaradirectorApr 26, 2023OPTION EX.6,000——Form 4
Zaknoen SaradirectorApr 26, 2023OPTION EX.6,000——Form 4
CLARKE JOHN KdirectorApr 26, 2023OPTION EX.6,000——Form 4
CLARKE JOHN KdirectorApr 26, 2023OPTION EX.6,000——Form 4
SCHIMMEL PAULdirectorApr 26, 2023OPTION EX.6,000——Form 4
SCHIMMEL PAULdirectorApr 26, 2023OPTION EX.6,000——Form 4
Lucas SvetlanadirectorApr 26, 2023OPTION EX.6,000——Form 4
Lucas SvetlanadirectorApr 26, 2023OPTION EX.6,000——Form 4
Gross Jane AdirectorApr 26, 2023OPTION EX.6,000——Form 4
Gross Jane AdirectorApr 26, 2023OPTION EX.6,000——Form 4
COUGHLIN TIMOTHYdirectorApr 26, 2023OPTION EX.6,000——Form 4
COUGHLIN TIMOTHYdirectorApr 26, 2023OPTION EX.6,000——Form 4
Shukla Sanjaydirector, officer: President and CEOFeb 16, 2023AWARD336,096$2.19$737.7KForm 4
Broadfoot Jill MarieChief Financial OfficerFeb 16, 2023AWARD84,023$2.19$184.4KForm 4
DENYES NANCYGeneral CounselFeb 16, 2023AWARD84,023$2.19$184.4KForm 4
DENYES NANCYGeneral CounselFeb 3, 2023OPTION EX.2,688——Form 4