Mark Howard Snyder

HALO

Mark Howard Snyder serves as SVP, CHIEF LEGAL OFFICER at Halozyme Therapeutics, Inc. (HALO). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

1 trades

$720.4K

Net Position

Net Seller

$720.4K

Companies Traded

HALO

Active Period

Feb 2026

1 total trades

Most Recent

Sell HALO

Feb 16, 2026 · $720.4K

Mark Howard Snyder's Insider Trading at Halozyme Therapeutics, Inc. (HALO)

Buys

0 · $0.00

Sells

1 · $720.4K

Total Shares Bought

Total Shares Sold

9,068

HALO Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value	Shares After
Feb 16, 2026↗	Sell	9,068	$79.44	$720.4K	0

Related Insiders

Cortney Caudill

officer: SVP, CHIEF OPERATING OFFICER

HALOSell · Mar 10, 2026

Helen Torley

director, officer: PRESIDENT AND CEO

HALOSell · Mar 4, 2026

Helen Torley

PRESIDENT AND CEO

HALOSell · Feb 16, 2026

Nicole LaBrosse

SVP, CHIEF FINANCIAL OFFICER

HALOSell · Feb 16, 2026

Bernadette Connaughton

director

HALOSell · Jan 5, 2026

Bernadette Connaughton

Director

HALOSell · Dec 1, 2025

Bernadette Connaughton

HALOSell · Oct 1, 2025

Jeffrey William Henderson

HALOSell · Apr 28, 2025

Explore More Insider Trading Data

HALO Insider Trading Activity

View all insider trades at Halozyme Therapeutics, Inc.

Healthcare Sector Insider Trades

See insider activity across healthcare stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity