Company profile
aTYR PHARMA INC Insider Trading
ATYREvery SEC Form 4 insider trading filing for aTYR PHARMA INC (ATYR) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Biological Products, (No Diagnostic Substances)
- CIK
- 0001339970
- Filings
- 61
- Insiders
- 10
- Last filing
- 2026-05-27
Activity summary
No insider transactions in the last 30 days. The most recent was on May 27, 2026, when Paul Schimmel bought 100,000 shares. 61 filings from 10 insiders are on record below.
Three year balance
Buy and sell value by quarter, Q3 23 to Q2 26. aTYR PHARMA INC insiders are net buyers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $912K.
No insider activity recorded for ATYR in the last 90 days.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 27, 2026 | Paul Schimmel | ATYR | Purchase | 100,000 | $0.50 | $50K |
| May 11, 2026 | Eric Benevich | ATYR | Award | 50,000 | — | — |
| May 11, 2026 | Timothy Coughlin | ATYR | Award | 50,000 | — | — |
| May 11, 2026 | Jane A Gross | ATYR | Award | 50,000 | — | — |
| May 11, 2026 | Svetlana Lucas | ATYR | Award | 50,000 | — | — |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By open-market value traded.
Institutional Ownership
Top 13F-HR holders of aTYR PHARMA INC as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →