LIVE FROM THE DATABASETRANSACTIONS 362,114COMPANIES 5,761LATEST TRADE Oct 16UPDATED Oct 16, 09:12 PM
HALOCIK 0001159036

HALOZYME THERAPEUTICS, INC.

234 transactions by 14 insiders, from November 1, 2025 to October 8, 2026.

Transactions
23414 insiders
Bought · P
Nonenobody bought on the open market
Sold · S
$36.6Mopen market
Net
−$36.6Mnet selling

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Helen TorleyCEO130110/130—$30.4M
Mark Howard SnyderGC23———
Nicole LaBrosseCFO18———
Cortney CaudillCOO17——$2.2M
Bernadette ConnaughtonDir118/11—$839K
Matthew L. PosardDir108/10—$2.6M
David A. RamsayPres6———
Mahesh KrishnanDir53/5—$548K
James Paul LangDir4———
Dannielle AppelhansDir2———
James M. DalyDir2———
Barbara Gayle DuncanDir2———
Jeffrey William HendersonDir2———
Darren SnellgroveCFO2———

All transactions

234 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Helen TorleyCEODERIVOct 8MPLAN20,000$18.41$368K?
Helen TorleyCEODERIVOct 7MPLAN20,000$18.41$368K?
Helen TorleyCEODERIVOct 6MPLAN20,000$18.41$368K?
Helen TorleyCEOOct 8SPLAN200$110.51$22K
Helen TorleyCEOOct 8SPLAN11,900$110.00$1.3M
Helen TorleyCEOOct 8SPLAN3,090$108.91$337K
Helen TorleyCEOOct 8SPLAN4,810$108.18$520K
Helen TorleyCEOOct 8MPLAN20,000$18.41$368K
Helen TorleyCEOOct 7SPLAN200$113.69$23K
Helen TorleyCEOOct 7SPLAN900$112.78$102K
Helen TorleyCEOOct 7SPLAN10,300$111.84$1.2M
Helen TorleyCEOOct 7SPLAN8,600$111.03$955K
Helen TorleyCEOOct 7MPLAN20,000$18.41$368K
Helen TorleyCEOOct 6SPLAN1,780$110.81$197K
Helen TorleyCEOOct 6SPLAN9,920$109.89$1.1M
Helen TorleyCEOOct 6SPLAN6,000$109.33$656K
Helen TorleyCEOOct 6SPLAN2,300$107.90$248K
Helen TorleyCEOOct 6MPLAN20,000$18.41$368K
Bernadette ConnaughtonDir4/AMay 5A3,796$0.00—
James M. DalyDirDERIVOct 1A1,775$0.00—?
James M. DalyDirOct 1A1,169$0.00—
Matthew L. PosardDirOct 1SPLAN100$110.04$11K
Matthew L. PosardDirOct 1SPLAN1,100$109.57$121K
Matthew L. PosardDirOct 1SPLAN3,300$108.45$358K
Matthew L. PosardDirOct 1SPLAN730$107.17$78K
Matthew L. PosardDirSep 16SPLAN4,000$108.99$436K
Matthew L. PosardDirSep 16SPLAN8,896$108.04$961K
Matthew L. PosardDirSep 16SPLAN3,000$106.83$320K
Matthew L. PosardDirSep 16SPLAN3,100$106.13$329K
Dannielle AppelhansDirDERIVSep 1A1,778$0.00—?
Dannielle AppelhansDirSep 1A1,161$0.00—
Helen TorleyCEODERIVAug 19MPLAN20,000$18.41$368K?
Helen TorleyCEODERIVAug 18MPLAN20,000$18.41$368K?
Helen TorleyCEODERIVAug 17MPLAN20,000$18.41$368K?
Helen TorleyCEOAug 19SPLAN3,200$107.77$345K
Helen TorleyCEOAug 19SPLAN9,600$107.22$1.0M
Helen TorleyCEOAug 19SPLAN7,200$106.36$766K
Helen TorleyCEOAug 19MPLAN20,000$18.41$368K
Helen TorleyCEOAug 18SPLAN9,400$104.87$986K
Helen TorleyCEOAug 18SPLAN4,897$104.11$510K
Helen TorleyCEOAug 18SPLAN5,703$103.08$588K
Helen TorleyCEOAug 18MPLAN20,000$18.41$368K
Helen TorleyCEOAug 17SPLAN7,500$103.48$776K
Helen TorleyCEOAug 17SPLAN9,000$102.55$923K
Helen TorleyCEOAug 17SPLAN2,100$101.77$214K
Helen TorleyCEOAug 17SPLAN500$100.46$50K
Helen TorleyCEOAug 17SPLAN900$98.96$89K
Helen TorleyCEOAug 17MPLAN20,000$18.41$368K
Bernadette ConnaughtonDirAug 10SPLAN1,626$102.80$167K
Helen TorleyCEODERIVJul 8MPLAN1,923$12.07$23K?
Helen TorleyCEOJul 8SPLAN1,035$80.19$83K
Helen TorleyCEOJul 8SPLAN888$79.28$70K
Helen TorleyCEOJul 8MPLAN1,923$12.07$23K
David A. RamsayPresDERIVJul 1A39,823$0.00—?
David A. RamsayPresDERIVJul 1A16,232$0.00—?
David A. RamsayPresDERIVJun 30M10,000$0.00—?
David A. RamsayPresJun 30F5,408$78.27$423K
David A. RamsayPresJun 30M10,000$0.00—
Darren SnellgroveCFODERIVJul 1A127,432$0.00—?
Darren SnellgroveCFODERIVJul 1A41,554$0.00—?
Bernadette ConnaughtonDirJul 1SPLAN625$77.21$48K
Bernadette ConnaughtonDirJul 1SPLAN1,000$76.40$76K
Mahesh KrishnanDirDERIVJun 29MPLAN7,304$0.00—?
Mahesh KrishnanDirJun 29SPLAN7,304$75.00$548K
Mahesh KrishnanDirJun 29MPLAN7,304$38.46$281K
Mark Howard SnyderGCDERIVJun 12M5,034$0.00—?
Mark Howard SnyderGCJun 12F2,715$69.50$189K
Mark Howard SnyderGCJun 12M5,034$0.00—
Helen TorleyCEODERIVJun 3MPLAN10,000$12.07$121K?
Helen TorleyCEODERIVJun 2MPLAN20,000$12.07$241K?
Helen TorleyCEODERIVJun 1MPLAN20,000$12.07$241K?
Helen TorleyCEOJun 3SPLAN6,100$69.69$425K
Helen TorleyCEOJun 3SPLAN2,000$68.74$137K
Helen TorleyCEOJun 3SPLAN1,500$67.68$102K
Helen TorleyCEOJun 3SPLAN400$66.37$27K
Helen TorleyCEOJun 3MPLAN10,000$12.07$121K
Helen TorleyCEOJun 2SPLAN3,400$66.75$227K
Helen TorleyCEOJun 2SPLAN16,600$66.31$1.1M
Helen TorleyCEOJun 2MPLAN20,000$12.07$241K
Helen TorleyCEOJun 1SPLAN5,401$68.35$369K
Helen TorleyCEOJun 1SPLAN12,989$67.41$876K
Helen TorleyCEOJun 1SPLAN1,610$66.39$107K
Helen TorleyCEOJun 1MPLAN20,000$12.07$241K
Bernadette ConnaughtonDirJun 1SPLAN1,625$66.21$108K
Helen TorleyCEODERIVMay 13MPLAN10,000$12.07$121K?
Helen TorleyCEODERIVMay 12MPLAN20,000$12.07$241K?
Helen TorleyCEODERIVMay 11MPLAN20,000$12.07$241K?
Helen TorleyCEOMay 13SPLAN600$70.81$42K
Helen TorleyCEOMay 13SPLAN3,950$69.79$276K
Helen TorleyCEOMay 13SPLAN3,350$68.88$231K
Helen TorleyCEOMay 13SPLAN2,100$68.10$143K
Helen TorleyCEOMay 13MPLAN10,000$12.07$121K
Helen TorleyCEOMay 12SPLAN2,800$73.12$205K
Helen TorleyCEOMay 12SPLAN5,900$72.15$426K
Helen TorleyCEOMay 12SPLAN9,802$71.37$700K
Helen TorleyCEOMay 12SPLAN1,398$70.29$98K
Helen TorleyCEOMay 12SPLAN100$67.85$7K
Helen TorleyCEOMay 12MPLAN20,000$12.07$241K
Helen TorleyCEOMay 11SPLAN6,700$66.33$444K
Helen TorleyCEOMay 11SPLAN3,575$65.46$234K
Helen TorleyCEOMay 11SPLAN9,725$64.63$629K
Helen TorleyCEOMay 11MPLAN20,000$12.07$241K
Matthew L. PosardDirDERIVMay 5A6,040$0.00—?
Matthew L. PosardDirMay 5A3,796$0.00—
Mahesh KrishnanDirDERIVMay 5A6,040$0.00—?
Mahesh KrishnanDirMay 5A3,796$0.00—
James Paul LangDirDERIVMay 5A6,040$0.00—?
James Paul LangDirMay 5A3,796$0.00—
Jeffrey William HendersonDirDERIVMay 5A6,040$0.00—?
Jeffrey William HendersonDirMay 5A3,796$0.00—
Barbara Gayle DuncanDirDERIVMay 5A6,040$0.00—?
Barbara Gayle DuncanDirMay 5A3,796$0.00—
Bernadette ConnaughtonDirDERIVMay 5A6,040$0.00—?
Bernadette ConnaughtonDirMay 5A6,796$0.00—
Bernadette ConnaughtonDirMay 1SPLAN1,625$63.48$103K
Helen TorleyCEODERIVApr 6MPLAN10,000$12.07$121K?
Helen TorleyCEOApr 6SPLAN4,100$64.02$262K
Helen TorleyCEOApr 6SPLAN5,900$63.14$373K
Helen TorleyCEOApr 6MPLAN10,000$12.07$121K
David A. RamsayCFODERIVApr 1A10,000$0.00—?
Helen TorleyCEODERIVApr 2MPLAN20,000$12.07$241K?
Helen TorleyCEODERIVApr 1MPLAN20,000$12.07$241K?
Helen TorleyCEOApr 2SPLAN4,200$64.89$273K
Helen TorleyCEOApr 2SPLAN15,800$64.06$1.0M
Helen TorleyCEOApr 2MPLAN20,000$12.07$241K
Helen TorleyCEOApr 1SPLAN1,000$65.71$66K
Helen TorleyCEOApr 1SPLAN19,000$65.36$1.2M
Helen TorleyCEOApr 1MPLAN20,000$12.07$241K
Cortney CaudillCOODERIVMar 10M1,546$33.51$52K?
Cortney CaudillCOODERIVMar 9M20,000$33.51$670K?
Cortney CaudillCOOMar 10S8,857$67.64$599K
Cortney CaudillCOOMar 10M1,546$33.51$52K
Cortney CaudillCOOMar 9S2,100$68.25$143K
Cortney CaudillCOOMar 9S17,900$67.75$1.2M
Cortney CaudillCOOMar 9M20,000$33.51$670K
Helen TorleyCEODERIVMar 4MPLAN10,000$12.07$121K?
Helen TorleyCEODERIVMar 3MPLAN20,000$12.07$241K?
Helen TorleyCEODERIVMar 2MPLAN20,000$12.07$241K?
Helen TorleyCEOMar 4SPLAN2,671$70.95$189K
Helen TorleyCEOMar 4SPLAN7,329$69.94$513K
Helen TorleyCEOMar 4MPLAN10,000$12.07$121K
Helen TorleyCEOMar 3SPLAN6,519$69.33$452K
Helen TorleyCEOMar 3SPLAN13,481$68.85$928K
Helen TorleyCEOMar 3MPLAN20,000$12.07$241K
Helen TorleyCEOMar 2SPLAN578$70.46$41K
Helen TorleyCEOMar 2SPLAN15,322$69.80$1.1M
Helen TorleyCEOMar 2SPLAN4,100$69.20$284K
Helen TorleyCEOMar 2MPLAN20,000$12.07$241K
Mark Howard SnyderGCDERIVFeb 23M7,011$0.00—?
Mark Howard SnyderGCDERIVFeb 20M5,332$0.00—?
Mark Howard SnyderGCFeb 23F3,782$70.64$267K
Mark Howard SnyderGCFeb 23M7,011$0.00—
Mark Howard SnyderGCFeb 20F2,876$70.98$204K
Mark Howard SnyderGCFeb 20M5,332$0.00—
Nicole LaBrosseCFODERIVFeb 23M6,688$0.00—?
Nicole LaBrosseCFODERIVFeb 20M5,332$0.00—?
Nicole LaBrosseCFOFeb 23F3,608$70.64$255K
Nicole LaBrosseCFOFeb 23M6,688$0.00—
Nicole LaBrosseCFOFeb 20F2,876$70.98$204K
Nicole LaBrosseCFOFeb 20M5,332$0.00—
Helen TorleyCEODERIVFeb 23M22,436$0.00—?
Helen TorleyCEODERIVFeb 20M16,757$0.00—?
Helen TorleyCEOFeb 23F12,104$70.64$855K
Helen TorleyCEOFeb 23M22,436$0.00—
Helen TorleyCEOFeb 20F9,040$70.98$642K
Helen TorleyCEOFeb 20M16,757$0.00—
Cortney CaudillCOODERIVFeb 20M2,666$0.00—?
Cortney CaudillCOOFeb 20F1,037$70.98$74K
Cortney CaudillCOOFeb 20M2,666$0.00—
Mark Howard SnyderGCDERIVFeb 16M12,016$0.00—?
Mark Howard SnyderGCDERIVFeb 16M4,796$0.00—?
Mark Howard SnyderGCFeb 16F6,481$79.44$515K
Mark Howard SnyderGCFeb 16M12,016$0.00—
Mark Howard SnyderGCFeb 16F2,587$79.44$206K
Mark Howard SnyderGCFeb 16M4,796$0.00—
Nicole LaBrosseCFODERIVFeb 16M13,351$0.00—?
Nicole LaBrosseCFODERIVFeb 16M5,329$0.00—?
Nicole LaBrosseCFODERIVFeb 16M5,093$0.00—?
Nicole LaBrosseCFOFeb 16F7,273$79.44$578K
Nicole LaBrosseCFOFeb 16M13,351$0.00—
Nicole LaBrosseCFOFeb 16F2,874$79.44$228K
Nicole LaBrosseCFOFeb 16M5,329$0.00—
Nicole LaBrosseCFOFeb 16F2,747$79.44$218K
Nicole LaBrosseCFOFeb 16M5,093$0.00—
Helen TorleyCEODERIVFeb 16M51,171$0.00—?
Helen TorleyCEODERIVFeb 16M16,875$0.00—?
Helen TorleyCEODERIVFeb 16M21,009$0.00—?
Helen TorleyCEOFeb 16F27,605$79.44$2.2M
Helen TorleyCEOFeb 16M51,171$0.00—
Helen TorleyCEOFeb 16F9,104$79.44$723K
Helen TorleyCEOFeb 16M16,875$0.00—
Helen TorleyCEOFeb 16F11,334$79.44$900K
Helen TorleyCEOFeb 16M21,009$0.00—
Mark Howard SnyderGCDERIVFeb 9A29,502$0.00—?
Mark Howard SnyderGCDERIVFeb 9A7,808$0.00—?
Mark Howard SnyderGCDERIVFeb 9A4,651$0.00—?
Mark Howard SnyderGCDERIVFeb 9A17,396$0.00—?
Mark Howard SnyderGCDERIVFeb 9A18,730$0.00—?
Nicole LaBrosseCFODERIVFeb 9A29,502$0.00—?
Nicole LaBrosseCFODERIVFeb 9A7,448$0.00—?