Key facts
- This page summarizes Mark Howard Snyder's Form 4 filing for HALOZYME THERAPEUTICS, INC. (HALO).
- 6 reported transactions and 2 derivative rows are listed below.
- Accepted by SEC: 17 Feb 2026, 18:53.
Mark Howard Snyder - 16 Feb 2026 Form 4 Insider Report for HALOZYME THERAPEUTICS, INC. (HALO)
- Reporting relationship
- SVP, CHIEF LEGAL OFFICER
- Issuer ticker
- HALO
- Reported as of
- 16 Feb 2026
- Net transaction value
- -$720,362
- SEC form
- 4
- Accepted by SEC
- 17 Feb 2026, 18:53:47 UTC
- Prior SEC filing
- 11 Feb 2026
- Next SEC filing
- 24 Feb 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ James R. Oehler, Attorney-in-Fact
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Mark Howard Snyder filed Form 4 for HALOZYME THERAPEUTICS, INC. (HALO) on 17 Feb 2026.
Change
- Previous filing in this sequence was filed on 11 Feb 2026.
- Current net transaction value: -$720,362.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 17 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
HALO
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +4,796
- Change %
- +14%
- Price
- $0.000000
- Shares after
- 38,977
- Date
- 16 Feb 2026
- Ownership
- Direct
HALO
transaction
Common Stock
Tax liability
- Transaction value
- $205,511
- Shares
- -2,587
- Change %
- -6.6%
- Price
- $79.44
- Shares after
- 36,390
- Date
- 16 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
HALO
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +12,016
- Change %
- +33%
- Price
- $0.000000
- Shares after
- 48,406
- Date
- 16 Feb 2026
- Ownership
- Direct
HALO
transaction
Common Stock
Tax liability
- Transaction value
- $514,851
- Shares
- -6,481
- Change %
- -13%
- Price
- $79.44
- Shares after
- 41,925
- Date
- 16 Feb 2026
- Ownership
- Direct
- Footnotes
- F2
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
HALO
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -4,796
- Change %
- -50%
- Price
- $0.000000
- Shares after
- 4,796
- Date
- 16 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,796
- Exercise price
- $0.000000
- Footnotes
- F3
HALO
transaction
Derivative
Performance Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -12,016
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 16 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 12,016
- Exercise price
- $0.000000
- Footnotes
- F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
The reported disposition of 2,587 shares represents the shares that were withheld by the issuer as payment for tax withholding obligations.
Footnote F2
The reported disposition of 6,481 shares represents the shares that were withheld by the issuer as payment for tax withholding obligations.
Footnote F3
This transaction represents the vesting and settlement of restricted stock units in shares of common stock of the issuer.
Footnote F4
This transaction represents the vesting and settlement of performance stock units in shares of common stock of the issuer.