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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
910638	3D Systems Corp	TDSC	Services-Prepackaged Software (7372)	954431352

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1251199	Kevin Mcalea	333 Three D Systems Circle Rock Hill SC 29730	Vice President	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-06-07	50,000	$7.58	131,456	No	4	M	Direct
Common Stock	Disposition	2011-06-07	15,501	$18.09	115,955	No	4	S	Direct
Common Stock	Disposition	2011-06-07	5,300	$18.13	110,655	No	4	S	Direct
Common Stock	Disposition	2011-06-07	5,000	$18.15	105,655	No	4	S	Direct
Common Stock	Disposition	2011-06-07	5,500	$18.16	100,155	No	4	S	Direct
Common Stock	Disposition	2011-06-07	5,600	$18.17	94,555	No	4	S	Direct
Common Stock	Disposition	2011-06-07	5,700	$18.18	88,855	No	4	S	Direct
Common Stock	Disposition	2011-06-07	1,300	$18.18	87,555	No	4	S	Direct
Common Stock	Disposition	2011-06-07	1,000	$18.19	86,555	No	4	S	Direct
Common Stock	Disposition	2011-06-07	1,900	$18.20	84,655	No	4	S	Direct
Common Stock	Disposition	2011-06-07	2,400	$18.21	82,255	No	4	S	Direct
Common Stock	Disposition	2011-06-07	400	$18.22	81,855	No	4	S	Direct
Common Stock	Disposition	2011-06-07	399	$18.23	81,456	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2011-06-07	50,000	$0.00	50,000	$7.58

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
110,000		2011-08-24	No	4	M	Direct

Footnotes

These shares consist of the remaining 25,000 options of the total original grant of 75,000 options which vested over a period of four years in equal installments of 18,750 shares per year, commencing on August 24, 2002, the first anniversary of the grant date. These 25,000 remaining options were subject to the Corporation's two-for-one stock split distributed to the Corporation's stockholders on May 18, 2011.
Granted as compensation for services as an employee.