InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (10 ops.)
Insider track record
ExecutiveDisclosed buys
1
Disclosed sells
10
T+90 hit rate
62%
T+90 mean return
+7.3%
Across 13 buy signals 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 1 May 2025 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations31 total
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
Ideal exit: 7 Nov 2025 (T+270)
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
15,777 shares0Common StockSEC:0001209191-22-038613:0
6,206 shares0Restricted Stock UnitsSEC:0001179110-22-002909:0
4,559 shares0Common StockSEC:0001888316-22-000022:0
25 of 31 declarations
About Henderson Jeffrey William
Henderson Jeffrey William is a Director at Halozyme Therapeutics, Inc., FibroGen Inc, and Becton Dickinson & Co. As a board member, he plays a key role in overseeing the activities of these companies and strategic decision-making. His expertise is essential in ensuring good governance and supporting the growth of these organizations.
