Tananbaum James B.
SEC CIK 1581754 · EDGAR
BoughtSold
Most active insiders at LTGO, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Foresite Capital Management V, LLC | 10% | $2.52M | — |
| 2 | Tananbaum James B. | Dir, 10% | $2.52M | — |
| 3 | 5AM Ventures VI, L.P. | 10% | — | — |
| 4 | Westlake BioPartners Fund I, L.P. | 10% | — | — |
| 5 | SEIDENBERG BETH C | Dir, 10% | — | — |
| 6 | Sanofi | 10% | — | — |
Transactions 10
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DMI | 2026-08-10 20:00 | 2026-08-10 | LTGO | Latigo Biotherapeutics, Inc. | Tananbaum James B. | Dir, 10% | C - Cnv Deriv | — | +9.04M | 3.41M | New | — |
| DI | 2026-08-10 20:00 | 2026-08-10 | LTGO | Latigo Biotherapeutics, Inc. | Tananbaum James B. | Dir, 10% | P - Purchase | $18.00 | +140.0K | 2.01M | +7% | +$2.52M |
| MI | 2026-04-03 15:53 | 2026-04-01 | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | J - Other | $0.00 | -496.0K | 680.5K | -42% | $0 |
| MI | 2026-01-12 | 2026-01-08 | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | P - Purchase | $17.00 | +411.8K | 5.70M | +8% | +$7.00M |
| I | 2025-11-25 | 2025-11-21 | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | P - Purchase | $7.38 | +72.2K | 2.61M | +3% | +$532.9K |
| MI | 2025-11-19 | 2025-11-17+ | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | P - Purchase | $6.09 | +507.9K | 2.08M | +32% | +$3.09M |
| MI | 2025-05-06 | 2025-05-02+ | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | P - Purchase | $4.50 | +45.0K | 4.23M | +1% | +$202.3K |
| DMI | 2024-07-03 | 2024-07-01 | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | C - Cnv Deriv | $0.00 | +11.48M | 4.25M | New | $0 |
| DMI | 2024-07-03 | 2024-07-01 | ALMS | ALUMIS INC. | Tananbaum James B. | Dir, 10% | P - Purchase | $16.00 | +2.50M | 4.20M | +147% | +$40.00M |
| MI | 2021-11-03 | 2021-11-01 | ACRS | Aclaris Therapeutics, Inc. | Tananbaum James B. | 10% | J - Other | $0.00 | -1.95M | 8,276 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations