VivoSim Labs, INC. — Director's Dealing 2012

Apr 20, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ORGANOVO HOLDINGS, INC. (ONVO)
CIK: 0001497253
Period of Report: 2012-04-18

Reporting Person: Presnell Sharon Collins (EVP, Research & Development)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-18	Stock Options (Right to Buy)	$2.25	A	175000	Acquired	2022-04-18	Common Stock (175000)	Direct

Footnotes

F1: The option shares vest and become exersicable in 16 equal quarterly installments measured from April 18, 2012.