3D SYSTEMS CORP — Director's Dealing 2010

Mar 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: 3D SYSTEMS CORP (TDSC)
CIK: 0000910638
Period of Report: 2010-03-03

Reporting Person: GOLD MIRIAM V (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-03-03	Common Stock	M	7500	$10.6875	Acquired	33300	Direct
2010-03-03	Common Stock	S	200	$14.36	Disposed	33100	Direct
2010-03-03	Common Stock	S	500	$14.404	Disposed	32600	Direct
2010-03-03	Common Stock	S	200	$14.46	Disposed	32400	Direct
2010-03-03	Common Stock	S	300	$14.4633	Disposed	32100	Direct
2010-03-03	Common Stock	S	1059	$14.5615	Disposed	31041	Direct
2010-03-03	Common Stock	S	200	$14.69	Disposed	30841	Direct
2010-03-03	Common Stock	S	1400	$14.76	Disposed	29441	Direct
2010-03-03	Common Stock	S	105	$14.7638	Disposed	29336	Direct
2010-03-03	Common Stock	S	600	$14.7775	Disposed	28736	Direct
2010-03-03	Common Stock	S	700	$14.78	Disposed	28036	Direct
2010-03-03	Common Stock	S	200	$14.79	Disposed	27836	Direct
2010-03-03	Common Stock	S	102	$14.81	Disposed	27734	Direct
2010-03-03	Common Stock	S	334	$14.82	Disposed	27400	Direct
2010-03-03	Common Stock	S	500	$14.92	Disposed	26900	Direct
2010-03-03	Common Stock	S	100	$15.085	Disposed	26800	Direct
2010-03-03	Common Stock	S	100	$15.10	Disposed	26700	Direct
2010-03-03	Common Stock	S	100	$15.105	Disposed	26600	Direct
2010-03-03	Common Stock	S	100	$15.115	Disposed	26500	Direct
2010-03-03	Common Stock	S	200	$15.13	Disposed	26300	Direct
2010-03-03	Common Stock	S	100	$15.135	Disposed	26200	Direct
2010-03-03	Common Stock	S	300	$15.14	Disposed	25900	Direct
2010-03-03	Common Stock	S	100	$15.145	Disposed	25800	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-03-03	Stock Option (Right to Buy)	$10.6875	M	7500	Disposed	2010-05-02	Common Stock (7500)	Direct

Footnotes

F1: The shares subject to this option vested over a period of three years in equal annual installments (2,500 shares per year) commencing on May 2, 2001, the first anniversary of the date of grant.

F2: Granted as compensation for services as director.