VivoSim Labs, INC. — Director's Dealing 2015

Mar 16, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ORGANOVO HOLDINGS, INC. (ONVO)
CIK: 0001497253
Period of Report: 2015-03-12

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-03-12	Common Stock	M	50000	$.08	Acquired	74064	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-03-12	Stock Option (Right to Buy)	$.08	M	50000	Disposed	2021-10-13	Common Stock (50000)	Direct

Footnotes

F1: Represents shares acquired pursuant to the exercise of a previously granted stock option.

F2: This number does not include 1,052,192 shares of common stock underlying outstanding options held by Dr. Presnell; post-transaction Dr. Presnell continues to beneficially own or have a right to acquire 1,126,256 shares of common stock.

F3: 25% of the option shares vest and become exercisable on May 2, 2012 and the remaining shares vest in 3 equal annual installments thereafter.