Insider Transactions Reported by 16 Insiders of HALOZYME THERAPEUTICS, INC.

Symbol
HALO on Nasdaq
Location
San Diego, CA

Insiders trading volume in the past year

HALOZYME THERAPEUTICS, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Helen Torley PRESIDENT AND CEO, Director $60,830,745 -$31,786,072 -34% 02 Mar 2026
Michael J. LaBarre Svp, Chief Technical Officer $11,633,809 25 Feb 2025
CONNIE MATSUI Director $9,870,372 29 Nov 2024
Mark Howard Snyder Svp, Chief Legal Officer $4,891,330 20 Feb 2026
Matthew L. Posard Director $4,458,628 01 May 2025
Nicole LaBrosse Svp, Chief Financial Officer $4,191,358 -$1,687,852 -29% 20 Feb 2026
Bernadette Connaughton Director $2,818,640 -$782,034 -22% 05 Jan 2026
JEAN-PIERRE BIZZARI Director $2,563,056 05 May 2023
Jeffrey William Henderson Director $1,973,770 -$303,684 -13% 01 May 2025
Akiko Moni Miyashita Director $1,501,706 01 May 2025
Barbara Gayle Duncan Director $1,199,522 01 May 2025
Masaru Matsuda SVP, General Counsel $999,796 04 Sep 2021
James M. Daly Director $738,108 11 Aug 2023
Mahesh Krishnan Director $642,306 01 May 2025
Cortney Caudill Svp, Chief Operating Officer $477,200 -$2,233,065 -82% 09 Mar 2026
James Paul Lang Director 02 Jan 2026

Recent Insider Transactions by Companies or Individuals for HALOZYME THERAPEUTICS, INC.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Cortney Caudill HALO Common Stock Sale -55.7% $599,087 $67.64 -8,857 7,055 10 Mar 2026 Direct
Cortney Caudill HALO Common Stock Options Exercise 10.8% 1,546 15,912 10 Mar 2026 Direct
Cortney Caudill HALO Option to Purchase Common Stock Options Exercise -2.23% -1,546 67,678 10 Mar 2026 Direct
Cortney Caudill HALO Common Stock Sale -58.2% $1,356,072 $67.80 -20,000 14,366 09 Mar 2026 Direct
Cortney Caudill HALO Common Stock Options Exercise 139.2% 20,000 34,366 09 Mar 2026 Direct
Cortney Caudill HALO Option to Purchase Common Stock Options Exercise -22.4% -20,000 69,224 09 Mar 2026 Direct
Helen Torley HALO Common Stock Sale -1.29% $702,114 $70.21 -10,000 767,780 04 Mar 2026 Direct
Helen Torley HALO Common Stock Options Exercise 1.3% 10,000 777,780 04 Mar 2026 Direct
Helen Torley HALO Option to Purchase Common Stock Options Exercise -6.18% -10,000 151,923 04 Mar 2026 Direct
Helen Torley HALO Common Stock Sale -2.54% $1,380,149 $69.01 -20,000 767,780 03 Mar 2026 Direct
Helen Torley HALO Common Stock Options Exercise 2.6% 20,000 787,780 03 Mar 2026 Direct
Helen Torley HALO Option to Purchase Common Stock Options Exercise -11% -20,000 161,923 03 Mar 2026 Direct
Helen Torley HALO Common Stock Sale -2.54% $1,393,894 $69.69 -20,000 767,780 02 Mar 2026 Direct
Helen Torley HALO Common Stock Options Exercise 2.6% 20,000 787,780 02 Mar 2026 Direct
Helen Torley HALO Option to Purchase Common Stock Options Exercise -9.9% -20,000 181,923 02 Mar 2026 Direct
Mark Howard Snyder HALO Common Stock Tax liability -7.36% -3,782 47,610 23 Feb 2026 Direct
Mark Howard Snyder HALO Common Stock Options Exercise 15.8% 7,011 51,392 23 Feb 2026 Direct
Mark Howard Snyder HALO Restricted Stock Units Options Exercise -33.3% -7,011 14,022 23 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Tax liability -8.57% -3,608 38,494 23 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Options Exercise 18.9% 6,688 42,102 23 Feb 2026 Direct
Nicole LaBrosse HALO Performance Stock Units Options Exercise -15.5% -6,688 36,357 23 Feb 2026 Direct
Helen Torley HALO Common Stock Tax liability -1.55% -12,104 767,780 23 Feb 2026 Direct
Helen Torley HALO Common Stock Options Exercise 2.96% 22,436 779,884 23 Feb 2026 Direct
Helen Torley HALO Restricted Stock Units Options Exercise -33.3% -22,436 44,872 23 Feb 2026 Direct
Cortney Caudill HALO Common Stock Tax liability -6.73% -1,037 14,366 20 Feb 2026 Direct
Cortney Caudill HALO Common Stock Options Exercise 20.9% 2,666 15,403 20 Feb 2026 Direct
Cortney Caudill HALO Restricted Stock Units Options Exercise -25% -2,666 7,998 20 Feb 2026 Direct
Mark Howard Snyder HALO Common Stock Tax liability -6.09% -2,876 44,381 20 Feb 2026 Direct
Mark Howard Snyder HALO Common Stock Options Exercise 12.7% 5,332 47,257 20 Feb 2026 Direct
Mark Howard Snyder HALO Restricted Stock Units Options Exercise -25% -5,332 15,995 20 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Tax liability -7.51% -2,876 35,414 20 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Options Exercise 16.2% 5,332 38,290 20 Feb 2026 Direct
Nicole LaBrosse HALO Restricted Stock Units Options Exercise -25% -5,332 15,995 20 Feb 2026 Direct
Helen Torley HALO Common Stock Tax liability -1.18% -9,040 757,448 20 Feb 2026 Direct
Helen Torley HALO Common Stock Options Exercise 2.24% 16,757 766,488 20 Feb 2026 Direct
Helen Torley HALO Restricted Stock Units Options Exercise -25% -16,757 50,270 20 Feb 2026 Direct
Mark Howard Snyder HALO Common Stock Tax liability -20% -9,068 36,390 16 Feb 2026 Direct
Mark Howard Snyder HALO Common Stock Options Exercise 53.2% 16,812 48,406 16 Feb 2026 Direct
Mark Howard Snyder HALO Performance Stock Units Options Exercise -100% -12,016 0 16 Feb 2026 Direct
Mark Howard Snyder HALO Restricted Stock Units Options Exercise -50% -4,796 4,796 16 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Tax liability -34.6% -12,894 24,425 16 Feb 2026 Direct
Nicole LaBrosse HALO Common Stock Options Exercise 144.4% 23,773 40,231 16 Feb 2026 Direct
Nicole LaBrosse HALO Performance Stock Units Options Exercise -100% -13,351 0 16 Feb 2026 Direct
Nicole LaBrosse HALO Restricted Stock Units Options Exercise -100% -10,422 0 16 Feb 2026 Direct
Helen Torley HALO Common Stock Tax liability -6.27% -48,043 718,394 16 Feb 2026 Direct
Helen Torley HALO Common Stock Options Exercise 12.9% 89,055 777,336 16 Feb 2026 Direct
Helen Torley HALO Performance Stock Units Options Exercise -100% -51,171 0 16 Feb 2026 Direct
Helen Torley HALO Restricted Stock Units Options Exercise -100% -37,884 0 16 Feb 2026 Direct
Cortney Caudill HALO Performance Stock Units Award 17,154 14,751 09 Feb 2026 Direct
Cortney Caudill HALO Restricted Stock Units Award 13,047 13,047 09 Feb 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.