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HALO insider trading — Halozyme Therapeutics, Inc.

No open-market insider purchases or sales were filed for Halozyme Therapeutics, Inc. (HALO) in the last 90 days. Other insider transactions — such as stock awards, option exercises or tax withholding — are listed below.

Updated Oct 16, 2026.

Insider buying · 90d
$0
Insider selling · 90d
$0
Net · 90d
$0
Last 30 days
0B / 0S

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Recent HALO insider transactions

Every Form 4 filed by Halozyme Therapeutics, Inc. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.

Trade dateInsiderRoleTypeOwnershipSharesPriceValueFiling
Oct 8, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Oct 8, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$109.40$2.19MForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Oct 7, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$111.55$2.23MForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Oct 6, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$109.58$2.19MForm 4
Oct 1, 2026Daly James MDirectorA · Grant/awardDirect1,169——Form 4
Oct 1, 2026Posard Matthew L.DirectorS · Sale · 10b5-1Direct5,230$108.54$568KForm 4
Sep 16, 2026Posard Matthew L.DirectorS · Sale · 10b5-1Direct18,996$107.74$2.05MForm 4
Sep 11, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Sep 11, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$107.24$2.14MForm 4
Sep 10, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Sep 10, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$107.17$2.14MForm 4
Sep 9, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Sep 9, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$107.43$2.15MForm 4
Sep 1, 2026Appelhans DannielleDirectorA · Grant/awardDirect1,161——Form 4
Aug 19, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Aug 19, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$107.00$2.14MForm 4
Aug 18, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Aug 18, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$104.18$2.08MForm 4
Aug 17, 2026Torley HelenPRESIDENT AND CEOM · Option exercise · 10b5-1Direct20,000$18.41$368KForm 4
Aug 17, 2026Torley HelenPRESIDENT AND CEOS · Sale · 10b5-1Direct20,000$102.60$2.05MForm 4
Aug 10, 2026Connaughton BernadetteDirectorS · Sale · 10b5-1Direct1,626$102.80$167KForm 4

HALO insider trading FAQ

Are insiders buying HALO stock?

Not on the open market. In the last 90 days, Halozyme Therapeutics, Inc. insiders made no open-market purchases, and no open-market sales. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).

Who are the insiders trading HALO?

No insider bought or sold on the open market in the last 90 days.

Where does HALO insider trading data come from?

Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.

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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.