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 $6.61M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 12 sales

TORLEY HELEN

Filed: 10/8/2026ACC: 0001159036-26-000140

InsiderTORLEY HELENCIK 1528185

→

IssuerHALOZYME THERAPEUTICS, INC.CIK 1159036

DirectorOfficer· PRESIDENT AND CEO

Since Mar 2026

-60K

Net shares

Net seller

$6.61M

Total sold

Open market trades

0B · 12S

Total transactions

60K acquired · 120K disposed

Non-Derivative Transactions15

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

10/6/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−2.30K

Price / share

$107.90

Trade value

$248.17K

% of position

0.3%

10/6/2026

787.78K→785.48K

Common Stock

Direct

S · Sale

−6K

Price / share

$109.33

Trade value

$656K

% of position

0.8%

10/6/2026

785.48K→779.48K

Common Stock

Direct

S · Sale

−9.92K

Price / share

$109.89

Trade value

$1.09M

% of position

1.3%

10/6/2026

779.48K→769.56K

Common Stock

Direct

S · Sale

−1.78K

Price / share

$110.81

Trade value

$197.25K

% of position

0.2%

10/6/2026

769.56K→767.78K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

10/7/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−8.60K

Price / share

$111.03

Trade value

$954.87K

% of position

1.1%

10/7/2026

787.78K→779.18K

Common Stock

Direct

S · Sale

−10.30K

Price / share

$111.84

Trade value

$1.15M

% of position

1.3%

10/7/2026

779.18K→768.88K

Common Stock

Direct

S · Sale

−900.00

Price / share

$112.78

Trade value

$101.50K

% of position

0.1%

10/7/2026

768.88K→767.98K

Common Stock

Direct

S · Sale

−200.00

Price / share

$113.69

Trade value

$22.74K

% of position

0.0%

10/7/2026

767.98K→767.78K

Common Stock

Direct

M · Option Exercise

+20K

Price / share

$18.41

Trade value

$368.20K

% of position

2.6%

10/8/2026

767.78K→787.78K

Common Stock

Direct

S · Sale

−4.81K

Price / share

$108.18

Trade value

$520.34K

% of position

0.6%

10/8/2026

787.78K→782.97K

Common Stock

Direct

S · Sale

−3.09K

Price / share

$108.91

Trade value

$336.53K

% of position

0.4%

10/8/2026

782.97K→779.88K

Common Stock

Direct

S · Sale

−11.90K

Price / share

$110.00

Trade value

$1.31M

% of position

1.5%

10/8/2026

779.88K→767.98K

Common Stock

Direct

S · Sale

−200.00

Price / share

$110.51

Trade value

$22.10K

% of position

0.0%

10/8/2026

767.98K→767.78K

Total

Net shares

+0.00

Net value

-$5.51M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	10/6/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	10/6/2026	S · Sale	−2.30K	$107.90	$248.17K	0.3%	787.78K	785.48K
Common Stock Direct	10/6/2026	S · Sale	−6K	$109.33	$656K	0.8%	785.48K	779.48K
Common Stock Direct	10/6/2026	S · Sale	−9.92K	$109.89	$1.09M	1.3%	779.48K	769.56K
Common Stock Direct	10/6/2026	S · Sale	−1.78K	$110.81	$197.25K	0.2%	769.56K	767.78K
Common Stock Direct	10/7/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	10/7/2026	S · Sale	−8.60K	$111.03	$954.87K	1.1%	787.78K	779.18K
Common Stock Direct	10/7/2026	S · Sale	−10.30K	$111.84	$1.15M	1.3%	779.18K	768.88K
Common Stock Direct	10/7/2026	S · Sale	−900.00	$112.78	$101.50K	0.1%	768.88K	767.98K
Common Stock Direct	10/7/2026	S · Sale	−200.00	$113.69	$22.74K	0.0%	767.98K	767.78K
Common Stock Direct	10/8/2026	M · Option Exercise	+20K	$18.41	$368.20K	2.6%	767.78K	787.78K
Common Stock Direct	10/8/2026	S · Sale	−4.81K	$108.18	$520.34K	0.6%	787.78K	782.97K
Common Stock Direct	10/8/2026	S · Sale	−3.09K	$108.91	$336.53K	0.4%	782.97K	779.88K
Common Stock Direct	10/8/2026	S · Sale	−11.90K	$110.00	$1.31M	1.5%	779.88K	767.98K
Common Stock Direct	10/8/2026	S · Sale	−200.00	$110.51	$22.10K	0.0%	767.98K	767.78K
Total			+0.00		-$5.51M

Derivative Transactions3

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

61.55K

Exercisable

—

10/6/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

41.55K

Exercisable

—

10/7/2026

Option to Purchase Common Stock

Direct

M · Option Exercise

Converts to

Common Stock

20K shares

−20K

Strike price

18.41

Held after

21.55K

Exercisable

—

10/8/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Option to Purchase Common Stock Direct	Common Stock20K shares	10/6/2026	M · Option Exercise	−20K	18.41	—	61.55K
Option to Purchase Common Stock Direct	Common Stock20K shares	10/7/2026	M · Option Exercise	−20K	18.41	—	41.55K
Option to Purchase Common Stock Direct	Common Stock20K shares	10/8/2026	M · Option Exercise	−20K	18.41	—	21.55K