Tananbaum James B.
Director, 10% Owner · Latigo Biotherapeutics, Inc.
Every open-market stock purchase Tananbaum James B. has reported to the SEC on Form 4 that met our signal bar, parsed straight from the filings. This page tracks where those buys landed inside insider clusters and how the prices paid compare to where the stock trades now.
Where the buys stand today
- ALMSALUMIS INC.
10 purchases totalling $50.7M at an average of $14.43 per share. See all insider buying in ALMS →
Avg price paid$14.43Latest price—Market capUnknown - LTGOLatigo Biotherapeutics, Inc.
One purchase totalling $2.5M at an average of $18.00 per share. See all insider buying in LTGO →
Avg price paid$18.00Latest price—Market capUnknown
Cluster participation
Qualifying buys grouped with other insiders buying the same stock — the pattern this site exists to catch.
All reported buys
| Date | Ticker | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Aug 10, 2026 | LTGOcluster | 140,000 | $18.00 | $2.5M | SEC ↗ |
| Jan 8, 2026 | ALMScluster | 294,117 | $17.00 | $5.0M | SEC ↗ |
| Jan 8, 2026 | ALMScluster | 117,647 | $17.00 | $2.0M | SEC ↗ |
| Nov 21, 2025 | ALMScluster | 72,212 | $7.38 | $532.9K | SEC ↗ |
| Nov 19, 2025 | ALMScluster | 190,500 | $6.56 | $1.2M | SEC ↗ |
| Nov 18, 2025 | ALMScluster | 117,374 | $6.19 | $726.5K | SEC ↗ |
| Nov 17, 2025 | ALMScluster | 150,000 | $5.59 | $838.5K | SEC ↗ |
| Nov 17, 2025 | ALMScluster | 50,000 | $5.60 | $280.0K | SEC ↗ |
| May 2, 2025 | ALMScluster | 25,000 | $4.62 | $115.5K | SEC ↗ |
| Jul 1, 2024 | ALMScluster | 312,500 | $16.00 | $5.0M | SEC ↗ |
| Jul 1, 2024 | ALMScluster | 2,187,500 | $16.00 | $35.0M | SEC ↗ |
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About this data
Figures are parsed from Tananbaum James B.'s Form 4 filings on SEC EDGAR (CIK 1581754) and cover open-market purchases (transaction code P) — grants, option exercises, and sales are excluded, which is why totals here can differ from raw filing counts. Every row links to its source document.
This page is informational and reflects public filing data. It is not investment advice.