TORLEY HELEN (PRESIDENT AND CEO) sold 7.2% of their position (60K shares) of HALOZYME THERAPEUTICS, INC. on the open market

Open‑market sale worth $6.44M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales

TORLEY HELEN

Filed: 9/12/2026ACC: 0001159036-26-000119

InsiderTORLEY HELENCIK 1528185

→

IssuerHALOZYME THERAPEUTICS, INC.CIK 1159036

DirectorOfficer· PRESIDENT AND CEO

Since Mar 2026

-60K

Net shares

Net seller

$6.44M

Total sold

Open market trades

0B · 7S

Total transactions

60K acquired · 120K disposed

Non-Derivative Transactions10

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

9/9/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−13.30K

Price / share

$107.22

Trade value

$1.43M

% of position

1.7%

9/9/2026

787.78K→774.48K

Common Stock

Direct

S · Sale

−6.60K

Price / share

$107.82

Trade value

$711.19K

% of position

0.9%

9/9/2026

774.48K→767.88K

Common Stock

Direct

S · Sale

−100.00

Price / share

$108.67

Trade value

$10.87K

% of position

0.0%

9/9/2026

767.88K→767.78K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

9/10/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−14.59K

Price / share

$107.01

Trade value

$1.56M

% of position

1.9%

9/10/2026

787.78K→773.19K

Common Stock

Direct

S · Sale

−5.41K

Price / share

$107.58

Trade value

$582.23K

% of position

0.7%

9/10/2026

773.19K→767.78K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

9/11/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−15.49K

Price / share

$107.15

Trade value

$1.66M

% of position

2.0%

9/11/2026

787.78K→772.29K

Common Stock

Direct

S · Sale

−4.51K

Price / share

$107.55

Trade value

$484.83K

% of position

0.6%

9/11/2026

772.29K→767.78K

Total

Net shares

+0.00

Net value

-$5.33M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/9/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	9/9/2026	S · Sale	−13.30K	$107.22	$1.43M	1.7%	787.78K	774.48K
Common Stock Direct	9/9/2026	S · Sale	−6.60K	$107.82	$711.19K	0.9%	774.48K	767.88K
Common Stock Direct	9/9/2026	S · Sale	−100.00	$108.67	$10.87K	0.0%	767.88K	767.78K
Common Stock Direct	9/10/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	9/10/2026	S · Sale	−14.59K	$107.01	$1.56M	1.9%	787.78K	773.19K
Common Stock Direct	9/10/2026	S · Sale	−5.41K	$107.58	$582.23K	0.7%	773.19K	767.78K
Common Stock Direct	9/11/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	9/11/2026	S · Sale	−15.49K	$107.15	$1.66M	2.0%	787.78K	772.29K
Common Stock Direct	9/11/2026	S · Sale	−4.51K	$107.55	$484.83K	0.6%	772.29K	767.78K
Total			+0.00		-$5.33M

Derivative Transactions3

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

121.55K

Exercisable

—

9/9/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

101.55K

Exercisable

—

9/10/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

81.55K

Exercisable

—

9/11/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to Purchase Common Stock Direct	Common Stock20K shares	9/9/2026	M · Option Exercise	−20K	18.41	—	121.55K
Option to Purchase Common Stock Direct	Common Stock20K shares	9/10/2026	M · Option Exercise	−20K	18.41	—	101.55K
Option to Purchase Common Stock Direct	Common Stock20K shares	9/11/2026	M · Option Exercise	−20K	18.41	—	81.55K