Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies James Samuel Shannon files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- GILEAD SCIENCES, INC. - $2.00M in XLO purchases and sales in the last 12 months
- Michael Castagna - $1.51M in MNKD purchases and sales in the last 12 months
- David Thomson - $931K in MNKD purchases and sales in the last 12 months
- Steven B. Binder - $684K in MNKD purchases and sales in the last 12 months
- Stuart A. Tross - $298K in MNKD purchases and sales in the last 12 months
- Sanjay R. Singh - $94K in MNKD purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is James Samuel Shannon?
James Samuel Shannon is a corporate insider of Xilio Therapeutics, Inc. (XLO). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did James Samuel Shannon last file a Form 4?
The most recent primary Form 4 on record is dated 12 June 2026, one of 4 filings going back to 2026.
Has James Samuel Shannon been buying or selling stock?
Recorded transactions: 1 open-market purchase ($44K) and 0 open-market sales across all tracked filings.