// company-profile
Gossamer Bio, Inc.
GOSS// activity-summary
Recent insider activity is bullish. Over the last 30 days, 6 insiders purchased shares. Buying was led by Nathan Steven D.
// 90-day insight
Over the last 90 days, Gossamer Bio, Inc. insiders bought $0 across 6 transactions with no open-market sales.
- Most active insider: Nathan Steven D with 1 transaction totaling $0.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Gossamer Bio, Inc. as of 2026-03-31
Data source: SEC Form 13F-HR filings. 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 |
|---|---|---|---|---|---|---|
| Jun 4, 2026 | Nathan Steven D | GOSS | Award | 115,000 | $0.00 | $0K |
| Jun 4, 2026 | Daniel Thomas O | GOSS | Award | 115,000 | $0.00 | $0K |
| Jun 4, 2026 | Milligan Sandra | GOSS | Award | 115,000 | $0.00 | $0K |
| Jun 4, 2026 | Cox Russell J. | GOSS | Award | 115,000 | $0.00 | $0K |
| Jun 4, 2026 | Quisel John D | GOSS | Award | 115,000 | $0.00 | $0K |
45 more transactions hidden
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