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Halozyme Therapeutics, Inc.

HALO
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001159036

In the last 90 days, Halozyme Therapeutics, Inc. insiders filed 0 open-market purchases and 7 sales; 713 institutions reported holding it in 13F filings for Q2 2026, worth $10.6B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by Halozyme Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
7 filings
4 insiders, $15.8M in total
Insiders trading
4
Net value
−$15.8M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for Halozyme Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for Halozyme Therapeutics, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Posard Matthew L.Director58,839Sep 17, 20262
Torley HelenPRESIDENT AND CEO767,780Sep 11, 202616
Appelhans DannielleDirector1,161Sep 2, 20261
Connaughton BernadetteDirector40,418Aug 11, 20269
Ramsay David AEVP, PRESIDENT, DRUG DELIVERY4,592Jul 2, 20262
Snellgrove DarrenSVP, Chief Financial Officer–Jul 2, 20261
Krishnan MaheshDirector14,462Jun 30, 20262
Snyder Mark HowardSVP, CHIEF LEGAL OFFICER49,929Jun 15, 20265
Henderson Jeffrey WilliamDirector36,572May 7, 20261
Duncan Barbara GayleDirector23,715May 7, 20261
Lang James PaulDirector4,685May 7, 20262
Caudill CortneySVP, CHIEF OPERATING OFFICER7,055Mar 10, 20265
LaBrosse NicoleSVP, CHIEF FINANCIAL OFFICER38,494Feb 24, 20263
Miyashita Akiko MoniDirector24,937May 2, 20250
LaBarre Michael J.SVP, CHIEF TECHNICAL OFFICER173,756Feb 27, 20250
Matsui ConnieDirector183,035Dec 3, 20240
Daly James MDirector20,503Aug 15, 20230
Bizzari Jean-PierreDirector66,815May 9, 20230
Matsuda MasaruSVP, General Counsel20,049Sep 7, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 17, 2026 (view filing)5:19 PM ETSep 161 dayPosard Matthew L.DirectorSSale−19.0K$107.74−$2.05M−24.4%58.8K after4 lots10b5-1
Sep 11, 2026 (view filing)8:35 PM ETSep 9-112 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$107.28−$6.44M−7.2%767.8K after7 lots10b5-1
Aug 19, 2026 (view filing)8:01 PM ETAug 17-192 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$104.59−$6.28M−7.2%767.8K after11 lots10b5-1
Aug 11, 2026 (view filing)5:43 PM ETAug 101 dayConnaughton BernadetteDirectorSSale−1.63K$102.80−$167.2K−3.9%40.4K after10b5-1
Jul 9, 2026 (view filing)5:19 PM ETJul 81 dayTorley HelenPRESIDENT AND CEOSSale−1.92K$79.77−$153.4K−0.2%767.8K after2 lots10b5-1
Jul 2, 2026 (view filing)4:42 PM ETJul 11 dayConnaughton BernadetteDirectorSSale−1.63K$76.71−$124.7K−3.7%42.0K after2 lots10b5-1
Jun 30, 2026 (view filing)Jun 291 dayKrishnan MaheshDirectorSSale−7.30K$75.00−$547.8K−33.6%14.5K after10b5-1
Jun 3, 2026 (view filing)Jun 1-32 daysTorley HelenPRESIDENT AND CEOSSale−50.0K$67.40−$3.37M−6.1%767.8K after9 lots10b5-1
Jun 2, 2026 (view filing)Jun 11 dayConnaughton BernadetteDirectorSSale−1.63K$66.21−$107.6K−3.6%43.7K after10b5-1
May 13, 2026 (view filing)May 11-132 daysTorley HelenPRESIDENT AND CEOSSale−50.0K$68.68−$3.43M−6.1%767.8K after12 lots10b5-1
May 5, 2026 (view filing)May 14 daysConnaughton BernadetteDirectorSSale−1.63K$63.48−$103.2K−4.1%38.5K after10b5-1
Apr 7, 2026 (view filing)Apr 61 dayTorley HelenPRESIDENT AND CEOSSale−10.0K$63.50−$635.0K−1.3%767.8K after2 lots10b5-1
Apr 2, 2026 (view filing)Apr 1-21 dayTorley HelenPRESIDENT AND CEOSSale−40.0K$64.81−$2.59M−5.0%767.8K after4 lots10b5-1
Mar 10, 2026 (view filing)Mar 9-101 dayCaudill CortneySVP, CHIEF OPERATING OFFICERSSale−28.9K$67.75−$1.96M−80.4%7.05K after3 lots
Mar 4, 2026 (view filing)Mar 2-42 daysTorley HelenPRESIDENT AND CEOSSale−50.0K$69.52−$3.48M−6.1%767.8K after7 lots10b5-1
Feb 5, 2026 (view filing)Feb 3-52 daysTorley HelenPRESIDENT AND CEOSSale−50.0K$77.07−$3.85M−6.6%708.7K after7 lots10b5-1
Jan 6, 2026 (view filing)Jan 51 dayConnaughton BernadetteDirectorSSale−2.00K$70.25−$140.5K−4.7%40.1K after10b5-1
Dec 19, 2025 (view filing)Nov 148 daysLateCaudill CortneySVP, CHIEF OPERATING OFFICERSSale−4.26K$65.19−$277.9K−25.1%12.7K after
Dec 1, 2025 (view filing)Dec 1Same dayConnaughton BernadetteDirectorSSale−829$71.60−$59.4K−1.9%42.1K after10b5-1
Dec 1, 2025 (view filing)Dec 1Same dayTorley HelenPRESIDENT AND CEOSSale−16.6K$68.92−$1.14M−2.3%708.7K after4 lots10b5-1
Nov 12, 2025 (view filing)Nov 10-122 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$69.46−$4.17M−7.6%733.7K after8 lots10b5-1
Nov 12, 2025 (view filing)Nov 102 daysConnaughton BernadetteDirectorSSale−2.00K$68.48−$137.0K−4.4%43.0K after10b5-1
Oct 3, 2025 (view filing)Oct 1-32 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$71.86−$4.31M−7.6%733.7K after11 lots10b5-1
Oct 1, 2025 (view filing)Oct 1Same dayConnaughton BernadetteDirectorSSale−2.00K$75.24−$150.5K−4.3%45.0K after2 lots10b5-1
Sep 23, 2025 (view filing)Sep 221 dayLaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSSale−2.23K$77.95−$173.6K−9.2%22.1K after2 lots10b5-1
Sep 11, 2025 (view filing)Sep 101 dayLaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSSale−20.0K$75.71−$1.51M−45.1%24.3K after2 lots10b5-1
Sep 4, 2025 (view filing)Sep 2-42 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$74.08−$4.44M−7.6%733.7K after8 lots10b5-1
Sep 2, 2025 (view filing)Sep 2Same dayConnaughton BernadetteDirectorSSale−4.00K$73.69−$294.7K−7.9%47.0K after3 lots10b5-1
Aug 13, 2025 (view filing)Aug 11-132 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$63.62−$3.82M−7.6%733.7K after6 lots10b5-1
Jul 10, 2025 (view filing)Jul 8-102 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$56.46−$3.39M−7.6%733.7K after6 lots10b5-1
Jun 24, 2025 (view filing)Jun 20-244 daysTorley HelenPRESIDENT AND CEOSSale−60.0K$53.09−$3.19M−7.6%733.7K after4 lots10b5-1
Apr 28, 2025 (view filing)Apr 28Same dayHenderson Jeffrey WilliamDirectorSSale−4.50K$60.37−$271.5K−13.6%28.6K after2 lots10b5-1
Apr 1, 2025 (view filing)Apr 1Same dayHenderson Jeffrey WilliamDirectorSSale−503$64.05−$32.2K−1.5%33.1K after10b5-1
Mar 3, 2025 (view filing)Mar 3Same dayHenderson Jeffrey WilliamDirectorSSale−5.00K$58.69−$293.5K−12.9%33.6K after2 lots10b5-1
Feb 27, 2025 (view filing)Feb 25-272 daysLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−21.7K$58.10−$1.26M−11.1%173.8K after6 lots10b5-1
Feb 4, 2025 (view filing)Feb 31 dayHenderson Jeffrey WilliamDirectorSSale−5.00K$56.31−$281.5K−11.5%38.6K after2 lots10b5-1
Jan 7, 2025 (view filing)Jan 61 dayHenderson Jeffrey WilliamDirectorSSale−10.0K$50.01−$500.1K−18.7%43.6K after10b5-1
Oct 16, 2024 (view filing)Oct 15-161 dayLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−20.0K$53.50−$1.07M−10.3%173.8K after3 lots10b5-1
Oct 9, 2024 (view filing)Oct 8-91 dayTorley HelenPRESIDENT AND CEOSSale−20.0K$53.29−$1.07M−2.9%676.7K after5 lots10b5-1
Sep 26, 2024 (view filing)Sep 24-262 daysTorley HelenPRESIDENT AND CEOSSale−30.0K$56.88−$1.71M−4.2%676.7K after3 lots10b5-1
Sep 18, 2024 (view filing)Sep 17-181 dayLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−20.0K$62.46−$1.25M−10.3%173.8K after3 lots10b5-1
Sep 12, 2024 (view filing)Sep 10-122 daysTorley HelenPRESIDENT AND CEOSSale−30.0K$59.13−$1.77M−4.2%676.7K after3 lots10b5-1
Aug 21, 2024 (view filing)Aug 20-211 dayLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−20.0K$61.40−$1.23M−10.6%168.2K after3 lots10b5-1
Aug 15, 2024 (view filing)Aug 13-152 daysTorley HelenPRESIDENT AND CEOSSale−30.0K$57.15−$1.71M−4.2%676.7K after5 lots10b5-1
Aug 14, 2024 (view filing)Aug 12-142 daysPosard Matthew L.DirectorSSale−29.9K$56.53−$1.69M−30.0%69.9K after3 lots
Jul 24, 2024 (view filing)Jul 23-241 dayLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−20.0K$55.00−$1.10M−10.6%168.2K after3 lots10b5-1
Jul 23, 2024 (view filing)Jul 221 dayLaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSSale−5.00K$53.93−$269.6K−24.4%15.5K after2 lots10b5-1
Jun 28, 2024 (view filing)Jun 26-282 daysLaBrosse NicoleSVP, CHIEF FINANCIAL OFFICERSSale−30.0K$51.93−$1.56M−66.0%15.5K after3 lots10b5-1
Jun 20, 2024 (view filing)Jun 182 daysLaBarre Michael J.SVP, CHIEF TECHNICAL OFFICERSSale−10.0K$49.43−$494.3K−5.6%168.2K after10b5-1
Jun 13, 2024 (view filing)Jun 11-122 daysPosard Matthew L.DirectorSSale−20.0K$50.32−$1.01M−16.7%99.8K after2 lots