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Halozyme Therapeutics Insider Trades

NASDAQ: HALOHealth CareBiotechnology: Biological Products (No Diagnostic Substances)USD

110.42+0.58 (+0.53%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
0 · $0
Sales
12 · $6.61M
Shares bought / sold
0 / 60.00K
Net activity
Net selling $6.6 million

Halozyme Therapeutics insider activity

Over the last 12 months, Halozyme Therapeutics insiders reported 16 transactions on SEC Form 4: 0 open-market purchases and 12 sales. Insiders bought $0 and sold $6.6 million worth of stock, for net insider selling of $6.6 million. The largest seller was Torley Helen, with $6.6 million in reported sales.

The most recent filing shows Torley Helen (PRESIDENT AND CEO) reporting a transaction in 20,000 shares at $18.41 on Oct 8, 2026. Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put HALO's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

HALO insider transactions

Halozyme Therapeutics insider transactions
DateInsiderTypeSharesValueFiling
Oct 8, 2026Torley HelenPRESIDENT AND CEOSale200$22.10KForm 4
Oct 8, 2026Torley HelenPRESIDENT AND CEOSale11,900$1.31MForm 4
Oct 8, 2026Torley HelenPRESIDENT AND CEOSale3,090$336.53KForm 4
Oct 8, 2026Torley HelenPRESIDENT AND CEOSale4,810$520.34KForm 4
Oct 8, 2026Torley HelenPRESIDENT AND CEOOption exercise20,000$368.20KForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOSale200$22.74KForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOSale900$101.50KForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOSale10,300$1.15MForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOSale8,600$954.87KForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOOption exercise20,000$368.20KForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOSale1,780$197.25KForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOSale9,920$1.09MForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOSale6,000$656.00KForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOSale2,300$248.17KForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOOption exercise20,000$368.20KForm 4
May 5, 2026Connaughton BernadetteDirectorAward3,796—Form 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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