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ISSUER PROFILE · CIK 0001339970

aTYR PHARMA INCATYR

3 13D/G filings 3 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
3
3 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
19.59
as of 2026-03-31

13D/G Filings Timeline · 3 total

FiledFormFilerStakeSharesIntent
2019-07-17 SC Polaris Venture Partners V, L.P. view →
2019-04-16 SC SCHIMMEL PAUL view →
2019-02-12 SC Sofinnova Venture Partners IX, L.P. view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 19,617,163 19.59 +3.4%
2026-03-13 18,967,502 16.15 +0.9%
2026-02-27 18,802,360 11.60 -5.4%
2026-02-13 19,877,366 8.42 -2.7%
2026-01-30 20,432,971 7.72 -4.2%
2026-01-15 21,334,051 14.17 -14.7%
2025-12-31 25,013,857 11.13 -17.7%
2025-12-15 30,385,566 15.47 +2.0%

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