Insider trade

Officer sold ~$278K of HALO shares in the open market

Traded Nov 1, 2025 · Filed Dec 19, 2025

Why it stands out

Halozyme's SVP, CHIEF OPERATING OFFICER sold $278K of Halozyme shares. It happened by itself, for taxes or pay.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Officer$100K–$500KPre-arranged plan referenced

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$277,905

Shares × reported transaction price

Timing vs results

88 days after results of Aug 5, 2025, 2 days before results of Nov 3, 2025

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Planned / mechanical clue

Footnote references tax withholding

Only flagged when a footnote says so; never inferred

After	Stock	S&P 500	Difference
7 days	+1.2%	+0.4%	+0.7%
30 days	+5.2%	+0.1%	+5.1%
90 days	−7.8%	−4.3%	−3.5%
180 days	+1.2%	+8.7%	−7.5%

Past results only. Not a forecast.

The reported disposition of 4,263 shares represents the shares that were withheld and sold by the issuer as payment for tax withholding obligations.

9mo ago

Compensation award — excluded from discretionary-purchase analysis.

9mo ago

Compensation award — excluded from discretionary-purchase analysis.

Scheduled in advance9mo ago