HALO

HALOZYME THERAPEUTICS, INC.

Latest Form 4:Sale$2.1MbyTorley Helen (PRESIDENT AND CEO) · filed Aug 19, 2026

HALOZYME THERAPEUTICS, INC. (HALO) has 43 SEC Form 4 filings (186 transaction rows) in the rolling window, disclosed by 5 distinct insiders. Most recent filing: Aug 19, 2026.

The most active filer is PRESIDENT AND CEO Torley Helen with 29 filings. Insiders have net sold $22.9M over the trailing 6 months.

  • Industry:Biotechnology
  • CEO:Helen I. Torley
  • Employees:350
  • HQ:San Diego, CA, US
  • IPO:2004-03-16

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$43.6M

reported sales (SEC code S)

Unique Insiders

5

in the rolling window

Market Cap

$12.0B

latest known value

Source
Sale$2.1MAug 19SEC ↗
Sale$2.1MAug 19SEC ↗
Sale$2.1MAug 19SEC ↗
Sale$167KAug 11SEC ↗
Sale$153KJul 9SEC ↗
Sale$125KJul 2SEC ↗
Krishnan MaheshFirst filing
Sale$548KJun 30SEC ↗
Sale$1.4MJun 3SEC ↗
Sale$1.3MJun 3SEC ↗
Sale$691KJun 3SEC ↗
Sale$108KJun 2SEC ↗
Sale$1.3MMay 13SEC ↗
Sale$1.4MMay 13SEC ↗
Sale$692KMay 13SEC ↗
Connaughton BernadetteFirst in 4 months
Sale$103KMay 5SEC ↗
Sale$635KApr 7SEC ↗
Sale$1.3MApr 2SEC ↗
Sale$1.3MApr 2SEC ↗
Sale$1.4MMar 10SEC ↗
Sale$599KMar 10SEC ↗
Sale$1.4MMar 4SEC ↗
Sale$1.4MMar 4SEC ↗
Sale$702KMar 4SEC ↗
Sale$1.5MFeb 5SEC ↗
Sale$1.5MFeb 5SEC ↗
Sale$786KFeb 5SEC ↗
Sale$141KJan 6SEC ↗
Caudill CortneyFirst filing
Sale$278KDec 19SEC ↗
Sale$1.1MDec 1SEC ↗
Sale$59KDec 1SEC ↗
Sale$1.4MNov 12SEC ↗
Sale$1.4MNov 12SEC ↗
Sale$1.4MNov 12SEC ↗
Sale$137KNov 12SEC ↗
Sale$1.5MOct 3SEC ↗
Sale$1.4MOct 3SEC ↗
Sale$1.4MOct 3SEC ↗
Sale$150KOct 1SEC ↗
Sale$174KSep 23SEC ↗
LaBrosse NicoleFirst filing
Sale$1.5MSep 11SEC ↗
Torley HelenFirst filing
Sale$1.5MSep 4SEC ↗
Torley HelenFirst filing
Sale$1.5MSep 4SEC ↗
Torley HelenFirst filing
Sale$1.5MSep 4SEC ↗
Sale$295KSep 2SEC ↗

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HALOZYME THERAPEUTICS, INC. is in the Healthcare sector.