Mark Howard Snyder - 09 Feb 2026 Form 4 Insider Report for HALOZYME THERAPEUTICS, INC. (HALO)

Reporting relationship: SVP, CHIEF LEGAL OFFICER
Issuer ticker: HALO
Reported as of: 09 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Feb 2026, 21:20:59 UTC
Prior SEC filing: 06 Jan 2026
Next SEC filing: 17 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ James R. Oehler, Attorney-in-Fact

Key filing fact

Mark Howard Snyder filed Form 4 for HALOZYME THERAPEUTICS, INC. (HALO) on 11 Feb 2026.

Key facts

This page summarizes Mark Howard Snyder's Form 4 filing for HALOZYME THERAPEUTICS, INC. (HALO).
5 reported transactions and 5 derivative rows are listed below.
Accepted by SEC: 11 Feb 2026, 21:20.

Change

Previous filing in this sequence was filed on 06 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001902866 Primary reporting owner

Snyder Mark Howard

Relationship: SVP, CHIEF LEGAL OFFICER
Address: C/O HALOZYME THERAPEUTICS, INC., 12390 EL CAMINO REAL, SAN DIEGO
Signature: /s/ James R. Oehler, Attorney-in-Fact
Signature date: 11 Feb 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

HALO transaction Derivative

Option to Purchase Common Stock

Award

Transaction value: $0
Shares: +18,730
Change %
Price: $0.000000
Shares after: 18,730
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 18,730
Exercise price: $80.48
Footnotes: F1

HALO transaction Derivative

Restricted Stock Units

Award

Transaction value: $0
Shares: +17,396
Change %
Price: $0.000000
Shares after: 17,396
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 17,396
Exercise price: $0.000000
Footnotes: F2

HALO transaction Derivative

Performance Stock Units

Award

Transaction value: $0
Shares: +4,651
Change %: +63%
Price: $0.000000
Shares after: 12,016
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 4,651
Exercise price: $0.000000
Footnotes: F3

HALO transaction Derivative

Performance Stock Units

Award

Transaction value: $0
Shares: +7,808
Change %: +21%
Price: $0.000000
Shares after: 45,127
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,808
Exercise price: $0.000000
Footnotes: F4

HALO transaction Derivative

Performance Stock Units

Award

Transaction value: $0
Shares: +29,502
Change %
Price: $0.000000
Shares after: 29,502
Date: 09 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 29,502
Exercise price: $0.000000
Footnotes: F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

This option vests one-fourth on such date and then 1/48th monthly thereafter.

Footnote F2

This award vests one-fourth on the first anniversary of the grant date and then one-fourth on each anniversary date thereafter.

Footnote F3

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The Issuer awarded the reporting person performance-based vesting stock units ("PSUs") on February 16, 2023 that included a performance measurement period ending December 31, 2025. This transaction represents the Issuer's determination of the number of stock units that became eligible to vest based on performance for such performance period. The stock units remain subject to a service-based requirement through the third anniversary of the PSU grant date.

Footnote F4

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The Issuer awarded the reporting person performance-based vesting stock units ("PSUs") on February 23, 2024 that included a performance measurement period ending December 31, 2025. This transaction represents the Issuer's determination of the number of stock units that became eligible to vest based on performance for such performance period. The stock units remain subject to a service-based requirement through the third anniversary of the PSU grant date.

Footnote F5

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The Issuer awarded the reporting person performance-based vesting stock units ("PSUs") on February 20, 2025 that included a performance measurement period ending December 31, 2025. This transaction represents the Issuer's determination of the number of stock units that became eligible to vest based on performance for such performance period. The stock units remain subject to a service-based requirement through the third anniversary of the PSU grant date.