VivoSim Labs, INC. — Director's Dealing 2012

Dec 22, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ORGANOVO HOLDINGS, INC. (ONVO)
CIK: 0001497253
Period of Report: 2012-12-21

Reporting Person: Baltera Robert Jr. (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-21	Common Stock	M	25000	$.80	Acquired	141506	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-12-21	Warrant (Right to Buy)	$1	H	25000	Disposed	2017-02-28	Common Stock (25000)	Direct
2012-12-21	Warrant (Right to Buy)	$.80	P	25000	Acquired	2017-02-28	Common Stock (25000)	Direct
2012-12-21	Warrant (Right to Buy)	$.80	M	25000	Disposed	2017-02-28	Common Stock (25000)	Direct

Footnotes

F1: These two transactions reported in Table II above involve the amendment of an outstanding warrant to reduce the exercise price from $1.00 a share to $0.80 a share in connection with the Company's tender offer. The amendment is reported above as the cancellation of the prior warrant and the acquisition of a new one.