Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Tananbaum James B. (CIK 1581754) reported 21 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-08-10). Recent activity: Buy LTGO (3.1M shares), Buy LTGO (445,320 shares), Buy LTGO (1.1M shares), Buy LTGO (742,201 shares), Buy LTGO (140,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 3.1M | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 445,320 | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 1.1M | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 742,201 | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 140,000 | $2.5M |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 195,776 | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 3.1M | $0 |
| 2026-08-10 | Latigo Biotherapeutics, Inc. (LTGO) | Director | Buy | 296,880 | $0 |
| 2026-04-03 | ALUMIS INC. (ALMS) | Director | Sell | 1.2M | $0 |
| 2026-04-03 | ALUMIS INC. (ALMS) | Director | Buy | 1.1M | $0 |
| 2026-04-03 | ALUMIS INC. (ALMS) | Director | Sell | 1.1M | $0 |
| 2026-04-03 | ALUMIS INC. (ALMS) | Director | Buy | 680,486 | $0 |
| 2026-01-12 | ALUMIS INC. (ALMS) | Director | Buy | 117,647 | $2.0M |
| 2026-01-12 | ALUMIS INC. (ALMS) | Director | Buy | 294,117 | $5.0M |
| 2025-11-25 | ALUMIS INC. (ALMS) | Director | Buy | 72,212 | $532,925 |
| 2025-11-19 | ALUMIS INC. (ALMS) | Director | Buy | 50,000 | $280,000 |
| 2025-11-19 | ALUMIS INC. (ALMS) | Director | Buy | 150,000 | $838,500 |
| 2025-11-19 | ALUMIS INC. (ALMS) | Director | Buy | 117,374 | $726,545 |
| 2025-11-19 | ALUMIS INC. (ALMS) | Director | Buy | 190,500 | $1.2M |
| 2025-05-06 | ALUMIS INC. (ALMS) | Director | Buy | 25,000 | $115,500 |
| 2025-05-06 | ALUMIS INC. (ALMS) | Director | Buy | 20,000 | $86,800 |
Source: SEC Form 4 filings · as of 2026-08-10