// company-profile
aTYR PHARMA INC Insider Trading
ATYREvery SEC Form 4 insider trading filing for aTYR PHARMA INC (ATYR) — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC.
curl "https://api.form4api.com/v1/transactions?ticker=ATYR" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, aTYR PHARMA INC insiders bought $50K across 7 transactions with no open-market sales.
- Most active insider: SCHIMMEL PAUL with 2 transactions totaling $50K.
- Largest single purchase: $50K by SCHIMMEL PAUL on May 27, 2026.
Activity skews bullish — buys outpace sales.
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 →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 27, 2026 | SCHIMMEL PAUL | ATYR | Purchase | 100,000 | $0.50 | $50K |
| May 11, 2026 | SCHIMMEL PAUL | ATYR | Award | 50,000 | $0.00 | $0K |
| May 11, 2026 | Lucas Svetlana | ATYR | Award | 50,000 | $0.00 | $0K |
| May 11, 2026 | Gross Jane A | ATYR | Award | 50,000 | $0.00 | $0K |
| May 11, 2026 | Zaknoen Sara | ATYR | Award | 50,000 | $0.00 | $0K |
45 more transactions hidden
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