Tananbaum James B.
SEC Form 4 insider trading activity
Tananbaum James B. has filed 5 SEC Form 4 filings (19 transaction rows) across 2 companies, including LTGO, ALMS, with disclosures dating back to 2025. 5 of those filings fall inside the rolling window. Most recent filing: Aug 11, 2026.
On the most recent filing, Tananbaum James B. is listed as Director, 10% Owner at Latigo Biotherapeutics, Inc. Inside the rolling window, Tananbaum James B. reported 6 open-market purchases totaling $13.1M in LTGO and ALMS and no open-market sales. The largest disclosed transaction in the window is a purchase of 411,764 ALMS shares on Jan 8, 2026, worth $7.0M.
Companies traded
Other insiders at LTGO
Insider Buying
$13.1M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| LTGO | Director, 10% Owner | Purchase | 140,000 | $2.5M | Aug 11 | SEC ↗ | |
| ALMS | Director, 10% Owner | Purchase | 411,764 | $7.0M | Jan 12 | SEC ↗ | |
| ALMS | Director, 10% Owner | Purchase | 72,212 | $533K | Nov 25 | SEC ↗ | |
| ALMS | Director, 10% Owner | Purchase | 200,000 | $1.1M | Nov 19 | SEC ↗ | |
| ALMS | Director, 10% Owner | Purchase | 117,374 | $727K | Nov 19 | SEC ↗ | |
| ALMS | Director, 10% Owner | Purchase | 190,500 | $1.2M | Nov 19 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 filings has Tananbaum James B. made?
Tananbaum James B. has filed 5 SEC Form 4 filings (19 transaction rows) across 2 companies, including LTGO, ALMS since 2025.
Which companies does Tananbaum James B. trade?
Tananbaum James B. has filed SEC Form 4 disclosures for 2 companies, including LTGO, ALMS.
When was Tananbaum James B.'s most recent SEC Form 4 filing?
Tananbaum James B.'s most recent SEC Form 4 filing on Tracefour is dated Aug 11, 2026.
What is Tananbaum James B.'s total buy and sell value in the current window?
Inside the rolling retention window, Tananbaum James B. bought $13.1M and sold $0 based on SEC Form 4 filings.
What was Tananbaum James B.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 411,764 ALMS shares on 2026-01-08, worth $7.0M, per SEC Form 4 filings.