// company-profile
Keros Therapeutics, Inc. Insider Trading
KROSEvery SEC Form 4 insider trading filing for Keros Therapeutics, Inc. (KROS) — 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=KROS" -H "X-Api-Key: YOUR_API_KEY"// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Keros Therapeutics, Inc. insiders bought $0 across 12 transactions with no open-market sales.
- Most active insider: BIENAIME JEAN JACQUES with 5 transactions totaling $31K.
- Largest single sale: $28K by Farzan Nima on Jun 4, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Keros Therapeutics, 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 |
|---|---|---|---|---|---|---|
| Jul 15, 2026 | BIENAIME JEAN JACQUES | KROS | Purchase10b5 | 1,000 | $10.61 | $11K |
| Jul 1, 2026 | Prener Anne | KROS | Award | 14,870 | $0.00 | $0K |
| Jul 1, 2026 | Prener Anne | KROS | Award | 13,786 | $0.00 | $0K |
| Jun 15, 2026 | BIENAIME JEAN JACQUES | KROS | Purchase10b5 | 1,000 | $10.19 | $10K |
| Jun 11, 2026 | Newton Charles W. | KROS | Sale10b5 | 550 | $10.04 | $6K |
45 more transactions hidden
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