LTGO insider trading — Latigo Biotherapeutics, Inc.
Over the last 90 days, insiders at Latigo Biotherapeutics, Inc. (LTGO) made 1 open-market purchase worth $2.52M and 0 open-market sales worth $0, making them net buyers by $2.52M. The largest purchase was by Tananbaum James B. (Director), who bought 140,000 shares for $2.52M on Aug 10, 2026.
Updated Oct 16, 2026.
Recent LTGO insider transactions
Every Form 4 filed by Latigo Biotherapeutics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | 5Am Ventures Vi, L.P., 5Am Partners Vi, Llc, 5Am Opportunities Ii, L.P., 5Am Opportunities Ii (Gp), Llc, Parmar Kush, Schwab Andrew J. | 10% Owner | C · Conversion | Indirect | 7,325,962 | — | — | Form 4 |
| Aug 10, 2026 | Sanofi | 10% Owner | C · Conversion | Indirect | 672,778 | — | — | Form 4 |
| Aug 10, 2026 | Westlake Biopartners Fund I, L.P., Westlake Biopartners Gp I, Llc, Westlake Biopartners Fund Ii, L.P., Westlake Biopartners Gp Ii, Llc, Westlake Biopartners Opportunity Fund I, L.P., Westlake Biopartners Opportunity Gp I, Llc | 10% Owner | C · Conversion | Indirect | 12,695,305 | — | — | Form 4 |
| Aug 10, 2026 | Foresite Capital Management V, Llc, Foresite Capital Fund V, L.P., Foresite Capital Opportunity Management V, Llc, Foresite Capital Opportunity Fund V, L.P., Foresite Capital Management Vi Llc, Foresite Capital Fund Vi Lp | 10% Owner | C · Conversion | Indirect | 9,041,328 | — | — | Form 4 |
| Aug 10, 2026 | Foresite Capital Management V, Llc, Foresite Capital Fund V, L.P., Foresite Capital Opportunity Management V, Llc, Foresite Capital Opportunity Fund V, L.P., Foresite Capital Management Vi Llc, Foresite Capital Fund Vi Lp | 10% Owner | P · Purchase | Indirect | 140,000 | $18.00 | $2.52M | Form 4 |
| Aug 10, 2026 | Seidenberg Beth C | Director | C · Conversion | Indirect | 12,695,305 | — | — | Form 4 |
| Aug 10, 2026 | Tananbaum James B. | Director | C · Conversion | Indirect | 9,041,328 | — | — | Form 4 |
| Aug 10, 2026 | Tananbaum James B. | Director | P · Purchase | Indirect | 140,000 | $18.00 | $2.52M | Form 4 |
LTGO insider trading FAQ
Are insiders buying LTGO stock?
Yes. In the last 90 days, Latigo Biotherapeutics, Inc. insiders made 1 open-market purchase totaling $2.52M, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading LTGO?
Recent buyers: Tananbaum James B..
Where does LTGO insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.