Jeffrey William Henderson
Director · HALOZYME THERAPEUTICS, INC.
- 2025
- May 7, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Jeffrey William Henderson 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.
- Helen Torley - $42.15M in HALO purchases and sales in the last 12 months
- Cristiano R. Amon - $7.60M in QCOM purchases and sales in the last 12 months
- Akash J. Palkhiwala - $5.41M in QCOM purchases and sales in the last 12 months
- Matthew L. Posard - $2.61M in HALO purchases and sales in the last 12 months
- Cortney Caudill - $1.96M in HALO purchases and sales in the last 12 months
- Heather S. Ace - $1.75M in QCOM purchases and sales in the last 12 months
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Frequently asked questions
Who is Jeffrey William Henderson?
Jeffrey William Henderson is a corporate insider, tracked as Director of HALOZYME THERAPEUTICS, INC. (HALO). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Jeffrey William Henderson last file a Form 4?
The most recent primary Form 4 on record is dated 7 May 2026, one of 7 filings going back to 2025.
Has Jeffrey William Henderson been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($304K) across all tracked filings.
