HALO · Halozyme Therapeutics, Inc. · Insider Trading

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $108.480 to $109.470. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.480 to $108.475. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $109.510 to $110.500. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $111.380 to $112.360. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $113.590 to $113.860. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $112.400 to $113.190. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $110.360 to $111.350. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $109.530 to $110.510. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $108.530 to $109.520. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.480 to $108.290. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $110.530 to $111.210. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.990 to $108.930. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Represents stock options granted under the Issuer's director compensation program. This grant will vest in full on the date of the Issuer's 2027 annual meeting of stockholders.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents restricted stock units granted under the Issuer's director compensation program. Each stock unit represents the right to receive one share of common stock and is scheduled to vest on the date of the Issuer's 2027 annual meeting of stockholders.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.930 to $107.660. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $109.040 to $109.970. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.600 to $108.450. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.580 to $107.310. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $108.605 to $109.460. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on June 15, 2026 in accordance with Rule 10b5-1.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $105.550 to $106.540. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.400 to $107.960. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.400 to $107.390. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.360 to $107.820 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.360 to $107.350 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.640 to $107.632. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.640 to $108.290. The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

Represents restricted stock units granted under the Issuer's director compensation program. Each stock unit represents the right to receive one share of common stock and is scheduled to vest on the date of the Issuer's 2027 annual meeting of stockholders.

Represents stock options granted under the Issuer's director compensation program. This grant will vest in full on the date of the Issuer's 2027 annual meeting of stockholders.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $107.69 to $107.900 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $105.69 to $106.680 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Grant to Reporting Person of options, exercisable over a 4-year period measured from the date of grant, 25% after 12 months, then 1/48th of the Option Shares per month thereafter. The date of grant was February 14, 2018.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $106.69 to $107.680 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

The options exercised and sales reported on this Form 4 were made pursuant to a written trading plan adopted by the Reporting Person on December 3, 2025 in accordance with Rule 10b5-1. The sales of common shares reported on this Form 4 represent shares that were acquired following exercise of stock options with a ten-year term expiring in February 2028.

Represents a weighted average sales price per share. The shares were sold at prices ranging from $104.585 to $105.080 The Reporting Person has provided to the issuer, and will provide to any security holder of the issuer or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.