HALOZYME THERAPEUTICS, INC. (HALO)

Latest Insider Confidence Score

2026Q1

45.7
Bearish

Company insider confidence (by quarter)

2009Q1 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Falberg Kathryn E Director 358,253 May 6, 2016
Matsui Connie Director 183,035 Dec 3, 2024
Kelley Kenneth J Director 179,833 Apr 14, 2021
LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER 173,756 Feb 27, 2025
Patton John Stuart Director 75,000 Aug 21, 2014

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 2, 2026 Mar 4, 2026 Torley Helen CEO Sell 46.3 -50,000 -0.92% ✓ $3.5M
Feb 20, 2026 Feb 24, 2026 Caudill Cortney COO Sell 42.5 -1,037 -6.73% ✗ $73.6K
Feb 20, 2026 Feb 24, 2026 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 40.0 -6,658 -6.75% ✗ $471.3K
Feb 20, 2026 Feb 24, 2026 LaBrosse Nicole CFO Sell 40.0 -6,484 -8.07% ✗ $459K
Feb 20, 2026 Feb 24, 2026 Torley Helen CEO Sell 37.5 -21,144 -1.37% ✗ $1.5M
Feb 16, 2026 Feb 17, 2026 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 40.0 -9,068 -10.38% ✗ $720.4K
Feb 16, 2026 Feb 17, 2026 LaBrosse Nicole CFO Sell 37.5 -12,894 -13.27% ✗ $1M
Feb 16, 2026 Feb 17, 2026 Torley Helen CEO Sell 37.5 -48,043 -2.14% ✗ $3.8M
Feb 9, 2026 Feb 11, 2026 Caudill Cortney COO Neutral 52.5 - 0.00% ✗ -
Feb 9, 2026 Feb 11, 2026 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 9, 2026 Feb 11, 2026 LaBrosse Nicole CFO Neutral 52.5 - 0.00% ✗ -
Feb 9, 2026 Feb 11, 2026 Torley Helen CEO Neutral 52.5 - 0.00% ✗ -
Feb 3, 2026 Feb 5, 2026 Torley Helen CEO Sell 46.3 -50,000 -0.99% ✓ $3.9M
Jan 2, 2026 Jan 6, 2026 Lang James Paul Director Neutral 90.0 +889 100.00% ✗ -
Jan 5, 2026 Jan 6, 2026 Connaughton Bernadette Director Sell 38.8 -2,000 -4.75% ✓ $140.5K
Jan 3, 2026 Jan 6, 2026 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 40.0 -4,243 -11.04% ✗ $298.3K
Jan 5, 2026 Lang James Paul Director Neutral 52.5 - 0.00% ✗ -
Nov 1, 2025 Dec 19, 2025 Caudill Cortney COO Sell 40.0 -4,263 -25.08% ✗ $277.9K
Dec 9, 2025 Dec 11, 2025 Torley Helen CEO Neutral 52.5 - 0.00% ✗ -
Dec 1, 2025 Dec 1, 2025 Connaughton Bernadette Director Sell 45.0 -829 -1.93% ✓ $59.4K
Nov 26, 2025 Dec 1, 2025 Torley Helen CEO Sell 40.0 -41,569 -1.16% ✓ $1.1M
Nov 10, 2025 Nov 12, 2025 Torley Helen CEO Sell 40.0 -60,000 -1.01% ✓ $4.2M
Nov 10, 2025 Nov 12, 2025 Connaughton Bernadette Director Sell 37.5 -2,000 -4.45% ✓ $137K
Oct 3, 2025 Oct 6, 2025 Caudill Cortney COO Neutral 52.5 - 0.00% ✗ -
Oct 6, 2025 Caudill Cortney COO Neutral 52.5 - 0.00% ✗ -
Oct 1, 2025 Oct 3, 2025 Torley Helen CEO Sell 42.5 -60,000 -0.73% ✓ $4.3M
Oct 1, 2025 Oct 1, 2025 Connaughton Bernadette Director Sell 37.5 -2,000 -4.26% ✓ $150.5K
Sep 22, 2025 Sep 23, 2025 LaBrosse Nicole CFO Sell 28.8 -2,227 -9.16% ✓ $173.6K
Sep 10, 2025 Sep 11, 2025 LaBrosse Nicole CFO Sell 5.0 -20,000 -45.14% ✓ $1.5M
Sep 2, 2025 Sep 4, 2025 Torley Helen CEO Sell 40.0 -60,000 -1.00% ✓ $4.4M
Sep 2, 2025 Sep 2, 2025 Connaughton Bernadette Director Sell 26.3 -4,000 -7.85% ✓ $294.7K
Aug 11, 2025 Aug 13, 2025 Torley Helen CEO Sell 40.0 -60,000 -1.34% ✓ $3.8M
Jul 8, 2025 Jul 10, 2025 Torley Helen CEO Sell 40.0 -60,000 -1.33% ✓ $3.4M
Jun 20, 2025 Jun 24, 2025 Torley Helen CEO Sell 40.0 -60,000 -1.99% ✓ $3.2M
Jun 12, 2025 Jun 13, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 42.5 -2,711 -8.09% ✗ $147.9K
May 1, 2025 May 2, 2025 Posard Matthew L. Director Neutral 85.0 +4,165 5.96% ✗ -
May 1, 2025 May 2, 2025 Miyashita Akiko Moni Director Neutral 90.0 +4,165 20.05% ✗ -
May 1, 2025 May 2, 2025 Krishnan Mahesh Director Neutral 90.0 +4,165 64.07% ✗ -
May 1, 2025 May 2, 2025 Henderson Jeffrey William Director Neutral 90.0 +4,165 14.56% ✗ -
May 1, 2025 May 2, 2025 Duncan Barbara Gayle Director Neutral 90.0 +4,165 26.44% ✗ -
May 1, 2025 May 2, 2025 Connaughton Bernadette Director Neutral 85.0 +4,165 8.90% ✗ -
Apr 28, 2025 Apr 28, 2025 Henderson Jeffrey William Director Sell 22.5 -4,497 -13.58% ✓ $271.5K
Apr 1, 2025 Apr 1, 2025 Henderson Jeffrey William Director Sell 48.8 -503 -1.50% ✓ $32.2K
Mar 3, 2025 Mar 3, 2025 Henderson Jeffrey William Director Sell 22.5 -5,000 -12.95% ✓ $293.5K
Feb 25, 2025 Feb 27, 2025 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 20.0 -21,697 -11.10% ✓ $1.3M
Feb 23, 2025 Feb 24, 2025 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 42.5 -2,410 -1.22% ✗ $139.2K
Feb 23, 2025 Feb 24, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 42.5 -3,775 -11.70% ✗ $218K
Feb 23, 2025 Feb 24, 2025 LaBrosse Nicole CFO Sell 42.5 -3,601 -10.14% ✗ $208K
Feb 23, 2025 Feb 24, 2025 Torley Helen CEO Sell 40.0 -12,081 -1.62% ✗ $697.7K
Feb 20, 2025 Feb 21, 2025 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 20, 2025 Feb 21, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 20, 2025 Feb 21, 2025 LaBrosse Nicole CFO Neutral 52.5 - 0.00% ✗ -
Feb 20, 2025 Feb 21, 2025 Torley Helen CEO Neutral 52.5 - 0.00% ✗ -
Feb 15, 2025 Feb 18, 2025 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 40.0 -15,292 -2.00% ✗ $891.4K
Feb 16, 2025 Feb 18, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 40.0 -11,955 -19.84% ✗ $696.9K
Feb 15, 2025 Feb 18, 2025 LaBrosse Nicole CFO Sell 40.0 -15,752 -14.20% ✗ $918.2K
Feb 15, 2025 Feb 18, 2025 Torley Helen CEO Sell 37.5 -66,166 -2.29% ✗ $3.9M
Feb 12, 2025 Feb 14, 2025 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 LaBrosse Nicole CFO Neutral 52.5 - 0.00% ✗ -
Feb 12, 2025 Feb 14, 2025 Torley Helen CEO Neutral 52.5 - 0.00% ✗ -
Feb 3, 2025 Feb 4, 2025 Henderson Jeffrey William Director Sell 22.5 -5,000 -11.46% ✓ $281.5K
Jan 6, 2025 Jan 7, 2025 Henderson Jeffrey William Director Sell 17.5 -10,000 -18.65% ✓ $500.1K
Jan 3, 2025 Jan 6, 2025 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Sell 42.5 -4,289 -22.23% ✗ $204.8K
Nov 29, 2024 Dec 3, 2024 MATSUI CONNIE Director Neutral 27.5 -10,470 -5.41% ✗ -
Nov 29, 2024 Dec 3, 2024 Torley Helen CEO Neutral 27.5 -10,000 -1.48% ✗ -
Oct 15, 2024 Oct 16, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 32.5 -20,000 -3.69% ✓ $1.1M
Oct 8, 2024 Oct 9, 2024 Torley Helen CEO Sell 42.5 -20,000 -0.59% ✓ $1.1M
Sep 24, 2024 Sep 26, 2024 Torley Helen CEO Sell 40.0 -30,000 -1.46% ✓ $1.7M
Sep 17, 2024 Sep 18, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 32.5 -20,000 -3.68% ✓ $1.2M
Sep 10, 2024 Sep 12, 2024 Torley Helen CEO Sell 40.0 -30,000 -1.46% ✓ $1.8M
Aug 27, 2024 Aug 27, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Aug 20, 2024 Aug 21, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 32.5 -20,000 -3.81% ✓ $1.2M
Aug 13, 2024 Aug 15, 2024 Torley Helen CEO Sell 42.5 -30,000 -0.88% ✓ $1.7M
Aug 12, 2024 Aug 14, 2024 Posard Matthew L. Director Sell 17.5 -29,881 -29.95% ✗ $1.7M
Jul 23, 2024 Jul 24, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 32.5 -20,000 -3.77% ✓ $1.1M
Jul 22, 2024 Jul 23, 2024 LaBrosse Nicole CFO Sell 22.5 -5,000 -13.90% ✓ $269.7K
Jun 26, 2024 Jun 28, 2024 LaBrosse Nicole CFO Sell 5.0 -30,000 -39.25% ✓ $1.6M
Jun 18, 2024 Jun 20, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 30.0 -10,000 -5.61% ✓ $494.3K
Jun 12, 2024 Jun 14, 2024 Snyder Mark Howard SVP, CHIEF LEGAL OFFICER Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Posard Matthew L. Director Sell 17.5 -20,000 -16.70% ✗ $1M
May 21, 2024 May 22, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 30.0 -20,000 -5.61% ✓ $905.5K
Apr 25, 2024 Apr 29, 2024 Posard Matthew L. Director Neutral 85.0 +6,501 5.74% ✗ -
Apr 25, 2024 Apr 29, 2024 Miyashita Akiko Moni Director Neutral 90.0 +6,501 45.55% ✗ -
Apr 25, 2024 Apr 29, 2024 MATSUI CONNIE Director Neutral 82.5 +6,501 3.48% ✗ -
Apr 25, 2024 Apr 29, 2024 Krishnan Mahesh Director Neutral 90.0 +6,501 100.00% ✗ -
Apr 25, 2024 Apr 29, 2024 Henderson Jeffrey William Director Neutral 90.0 +6,501 13.80% ✗ -
Apr 25, 2024 Apr 29, 2024 Duncan Barbara Gayle Director Neutral 90.0 +6,501 70.26% ✗ -
Apr 25, 2024 Apr 29, 2024 Connaughton Bernadette Director Neutral 90.0 +6,501 16.14% ✗ -
Apr 25, 2024 Krishnan Mahesh Director Neutral 52.5 - 0.00% ✗ -
Apr 16, 2024 Apr 17, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 30.0 -20,000 -5.61% ✓ $768.4K
Mar 26, 2024 Mar 26, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Mar 12, 2024 Mar 13, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 30.0 -20,000 -6.00% ✓ $839.1K
Feb 27, 2024 Feb 28, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 35.0 -20,000 -4.06% ✓ $794.9K
Feb 23, 2024 Feb 27, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Neutral 52.5 - 0.00% ✗ -
Feb 23, 2024 Feb 27, 2024 Snyder Mark Howard SVP, GENERAL COUNSEL Neutral 52.5 - 0.00% ✗ -
Feb 23, 2024 Feb 27, 2024 LaBrosse Nicole CFO Neutral 52.5 - 0.00% ✗ -
Feb 23, 2024 Feb 27, 2024 Torley Helen CEO Neutral 52.5 - 0.00% ✗ -
Feb 16, 2024 Feb 20, 2024 LaBarre Michael J. SVP, CHIEF TECHNICAL OFFICER Sell 42.5 -5,257 -1.54% ✗ $189.8K
Feb 16, 2024 Feb 20, 2024 Snyder Mark Howard SVP, GENERAL COUNSEL Sell 42.5 -2,577 -18.08% ✗ $93K