TORLEY HELEN (PRESIDENT AND CEO) sold 6.1% of their position (50K shares) of HALOZYME THERAPEUTICS, INC. on the open market

Open‑market sale worth $3.43M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 12 sales

TORLEY HELEN

Filed: 5/13/2026ACC: 0001159036-26-000070

InsiderTORLEY HELENCIK 1528185

→

IssuerHALOZYME THERAPEUTICS, INC.CIK 1159036

DirectorOfficer· PRESIDENT AND CEO

Since Mar 2026

-50K

Net shares

Net seller

$3.43M

Total sold

Open market trades

0B · 12S

Total transactions

50K acquired · 100K disposed

Non-Derivative Transactions15

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$12.07

Trade value

$241.40K

% of position

2.6%

5/11/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−9.72K

Price / share

$64.63

Trade value

$628.54K

% of position

1.2%

5/11/2026

787.78K→778.05K

Common Stock

Direct

S · Sale

−3.58K

Price / share

$65.46

Trade value

$234.01K

% of position

0.5%

5/11/2026

778.05K→774.48K

Common Stock

Direct

S · Sale

−6.70K

Price / share

$66.33

Trade value

$444.39K

% of position

0.9%

5/11/2026

774.48K→767.78K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$12.07

Trade value

$241.40K

% of position

2.6%

5/12/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−100.00

Price / share

$67.85

Trade value

$6.78K

% of position

0.0%

5/12/2026

787.78K→787.68K

Common Stock

Direct

S · Sale

−1.40K

Price / share

$70.29

Trade value

$98.26K

% of position

0.2%

5/12/2026

787.68K→786.28K

Common Stock

Direct

S · Sale

−9.80K

Price / share

$71.37

Trade value

$699.57K

% of position

1.2%

5/12/2026

786.28K→776.48K

Common Stock

Direct

S · Sale

−5.90K

Price / share

$72.15

Trade value

$425.67K

% of position

0.8%

5/12/2026

776.48K→770.58K

Common Stock

Direct

S · Sale

−2.80K

Price / share

$73.12

Trade value

$204.74K

% of position

0.4%

5/12/2026

770.58K→767.78K

Common Stock

Direct

M · Option Exercise

+10K

Price / share

$12.07

Trade value

$120.70K

% of position

1.3%

5/13/2026

767.78K→777.78K

Common Stock

Direct

S · Sale

−2.10K

Price / share

$68.10

Trade value

$143.01K

% of position

0.3%

5/13/2026

777.78K→775.68K

Common Stock

Direct

S · Sale

−3.35K

Price / share

$68.88

Trade value

$230.75K

% of position

0.4%

5/13/2026

775.68K→772.33K

Common Stock

Direct

S · Sale

−3.95K

Price / share

$69.79

Trade value

$275.66K

% of position

0.5%

5/13/2026

772.33K→768.38K

Common Stock

Direct

S · Sale

−600.00

Price / share

$70.81

Trade value

$42.49K

% of position

0.1%

5/13/2026

768.38K→767.78K

Total

Net shares

+0.00

Net value

-$2.83M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	5/11/2026	M · Option Exercise	+20K	$12.07	$241.40K	2.6%	767.78K	787.78K
Common Stock Direct	5/11/2026	S · Sale	−9.72K	$64.63	$628.54K	1.2%	787.78K	778.05K
Common Stock Direct	5/11/2026	S · Sale	−3.58K	$65.46	$234.01K	0.5%	778.05K	774.48K
Common Stock Direct	5/11/2026	S · Sale	−6.70K	$66.33	$444.39K	0.9%	774.48K	767.78K
Common Stock Direct	5/12/2026	M · Option Exercise	+20K	$12.07	$241.40K	2.6%	767.78K	787.78K
Common Stock Direct	5/12/2026	S · Sale	−100.00	$67.85	$6.78K	0.0%	787.78K	787.68K
Common Stock Direct	5/12/2026	S · Sale	−1.40K	$70.29	$98.26K	0.2%	787.68K	786.28K
Common Stock Direct	5/12/2026	S · Sale	−9.80K	$71.37	$699.57K	1.2%	786.28K	776.48K
Common Stock Direct	5/12/2026	S · Sale	−5.90K	$72.15	$425.67K	0.8%	776.48K	770.58K
Common Stock Direct	5/12/2026	S · Sale	−2.80K	$73.12	$204.74K	0.4%	770.58K	767.78K
Common Stock Direct	5/13/2026	M · Option Exercise	+10K	$12.07	$120.70K	1.3%	767.78K	777.78K
Common Stock Direct	5/13/2026	S · Sale	−2.10K	$68.10	$143.01K	0.3%	777.78K	775.68K
Common Stock Direct	5/13/2026	S · Sale	−3.35K	$68.88	$230.75K	0.4%	775.68K	772.33K
Common Stock Direct	5/13/2026	S · Sale	−3.95K	$69.79	$275.66K	0.5%	772.33K	768.38K
Common Stock Direct	5/13/2026	S · Sale	−600.00	$70.81	$42.49K	0.1%	768.38K	767.78K
Total			+0.00		-$2.83M

Derivative Transactions3

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

12.07

Held after

81.92K

Exercisable

—

5/11/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

12.07

Held after

61.92K

Exercisable

—

5/12/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

10K shares

−10K

Strike price

12.07

Held after

51.92K

Exercisable

—

5/13/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to Purchase Common Stock Direct	Common Stock20K shares	5/11/2026	M · Option Exercise	−20K	12.07	—	81.92K
Option to Purchase Common Stock Direct	Common Stock20K shares	5/12/2026	M · Option Exercise	−20K	12.07	—	61.92K
Option to Purchase Common Stock Direct	Common Stock10K shares	5/13/2026	M · Option Exercise	−10K	12.07	—	51.92K