Updated Jul 16, 2026
Snyder Mark Howard has filed 1 SEC Form 4 filing across 1 company in the last 90 days.
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-15 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 2.7K | $69.50 | $189K |
| 2026-06-15 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 5.0K | $0.00 | |
| 2026-02-24 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 3.8K | $70.64 | $267K |
| 2026-02-24 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 7.0K | $0.00 | |
| 2026-02-24 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 2.9K | $70.98 | $204K |
| 2026-02-24 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 5.3K | $0.00 | |
| 2026-02-17 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 6.5K | $79.44 | $515K |
| 2026-02-17 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 12.0K | $0.00 | |
| 2026-02-17 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 2.6K | $79.44 | $206K |
| 2026-02-17 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 4.8K | $0.00 | |
| 2025-06-12 | HALO | HALOZYME THERAPEUTICS, INC. | F — Tax withholding / forfeiture | 2.7K | $54.54 | $148K |
| 2025-06-12 | HALO | HALOZYME THERAPEUTICS, INC. | M — Option exercise | 5.0K | $0.00 |
Snyder Mark Howard is a corporate insider — currently tracked as SVP, CHIEF LEGAL OFFICER of HALOZYME THERAPEUTICS, INC. (HALO). InsiderAlpha tracks every SEC Form 4 filing in real time.
1 primary Form 4 filings in the last 90 days, covering 1 company.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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