InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (10 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
10
T+90 hit rate
0%
T+90 mean return
-13.9%
Across 1 buy signal with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Henderson Jeffrey William, Director. Director active across 5 companies, notably Halozyme Therapeutics, INC.. In total, 31 filings have been logged. Breakdown: 1 buy · 10 sells. Total volume traded: €2m. Activity tracked since 5 May 2021. The latest transaction was disclosed on 17 March 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Henderson Jeffrey William
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations31 total
2,563 shares0Common StockSEC:0000804328-26-000038:0
2,355 shares0Common StockSEC:0000804328-26-000025:0
1,098 shares0Common StockSEC:0001628280-26-004019:0
4,165 shares0Common StockSEC:0001415889-25-011771:0
4,297 shares@ US$60.33716.7% of flowCommon StockSEC:0001415889-25-011432:0
503 shares@ US$64.052.2% of flowCommon StockSEC:0001415889-25-009440:0
2,097 shares0Common StockSEC:0001888316-25-000025:0
1,901 shares0Common StockSEC:0001888316-25-000015:0
1,795 shares@ US$57.9347.3% of flowCommon StockSEC:0001415889-25-006323:0
1,500 shares@ US$233.62100.0% of flowCommon StockSEC:0001062993-25-001977:0
Canonical exit: 11 May 2025 (T+90)
1,100 shares@ US$55.9434.4% of flowCommon StockSEC:0001415889-25-003006:0
930 shares0Common StockSEC:0001062993-25-001300:0
10,000 shares@ US$50.00635.7% of flowCommon StockSEC:0001415889-25-000995:0
6,501 shares0Common StockSEC:0001415889-24-011685:0
2,056 shares0Common StockSEC:0001888316-24-000029:0
900 shares0Common StockSEC:0001062993-24-001307:0
2,000 shares@ US$1.0318.5% of flowCommon StockSEC:0001209191-23-048554:0
2,000 shares@ US$1.9134.0% of flowCommon StockSEC:0001209191-23-045087:0
2,000 shares@ US$2.6947.6% of flowCommon StockSEC:0001209191-23-042247:0
8,289 shares0Common StockSEC:0001209191-23-036074:0
8,065 shares0Common StockSEC:0001415889-23-007691:0
3,316 shares0Common StockSEC:0001888316-23-000026:0
10,000 shares@ US$48.5133.6% of flowCommon StockSEC:0001415889-23-003703:0
2,500 shares@ US$124.0529100.0% of flowCommon StockSEC:0001888316-23-000008:0
848 shares0Common StockSEC:0001062993-23-001435:0
25 of 31 declarations
About Henderson Jeffrey William
Henderson Jeffrey William is a Director at Halozyme Therapeutics, INC., QUALCOMM INC/DE, Becton Dickinson & Co, FibroGen Inc and Qualcomm Inc/de. He has 31 filings in total, and across the sampled recent filings from 2021-05-06 to 2026-03-18, the reported amounts are EUR 339840 of buys and EUR 1660819 of sells, with Attribution as the modal transaction nature.
