Form 4 Tracker
Lawrence Otto Klein

Director; Director, Chief Executive Officer · 7 filings · Latest: Oct 1, 2026

Jade Biosciences, Inc.
Oruka Therapeutics, Inc.
TickerOwnerRelationshipDateTransactionCost#SharesValue ($)#Shares TotalSEC Filing
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerOct 1, 2026
Sale
$83.6225,000$2.1M923,128
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerOct 1, 2026
Option Exercise
$7.8025,000$195.0K948,128
ORKA
LAWRENCE KLEIN—Oct 1, 2026
Proposed Sale
$83.2925,000$2.1M—
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerSep 15, 2026
Sale
$95.712,452$234.7K923,128
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerSep 1, 2026
Sale
$91.8375,000$6.9M925,580
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerSep 1, 2026
Option Exercise
$7.8075,000$585.0K1,000,580
ORKA
LAWRENCE KLEIN—Sep 1, 2026
Proposed Sale
$92.6275,000$6.9M—
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerJun 15, 2026
Sale
$69.691,729$120.5K925,580
ORKA
Lawrence Otto KleinDirector, Chief Executive OfficerMar 16, 2026
Sale
$41.301,729$71.4K927,309