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Filing Details

Accession Number:: 0001209191-13-011416
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2013-02-25 19:41:56
Reporting Period:: 2012-11-29

Filing Date:: 2013-02-25
Accepted Time:: 2013-02-25 19:41:56
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1443669	Proto Labs Inc	PRLB	Fabricated Structural Metal Products (3440)	000000000

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1206641	A Richard Damore	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No
1218581	T Edward Anderson	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No
1390657	North Bridge Growth Equity I Lp	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No
1542779	Nbge Manager, Llc	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No
1542781	Nbge Gp, Llc	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No
1542785	North Bridge Growth Management, L.p.	C/O North Bridge Growth Equity 950 Winter Street, Suite 4600 Waltham MA 02454	No	No	Yes	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2012-11-29	610	$35.52	0	No	4	S	Direct
Common Stock	Disposition	2013-02-21	1,400,000	$0.00	2,004,290	No	4	J	Indirect	By North Bridge Growth Equity I, L.P.

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	J	Indirect	By North Bridge Growth Equity I, L.P.

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	2,112	Direct
Common Stock	534	Direct
Common Stock	1,097	Indirect	By Angel 2011 Dynasty Trust

Footnotes

Represents shares held of record which Richard D'Amore received in connection with a previous pro rata distribution from North Bridge Growth Equity I, L.P.
The transaction reported on this Form 4 represents a pro rata distribution, and not a purchase or sale of securities, by North Bridge Growth Equity I, L.P. to its general and limited partners without consideration.
Represents shares held directly by North Bridge Growth Equity I, L.P. NBGE Manager, LLC ("NBGE") is the managing manager of NBGE GP, LLC, which is the sole general partner of North Bridge Growth Management, L.P., which is the sole general partner of North Bridge Growth Equity I, L.P. NBGE has sole vesting and dispositive power over such shares. Shared voting and investment power over such shares is vested in the managers of NBGE, Edward Anderson and Richard D'Amore. Mr. Anderson and Mr. D'Amore each disclaim any beneficial ownership of such shares, except to the extent of any pecuniary interest therein. This report shall not be deemed an admission that any of the reporting persons is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
Represents 986 shares Mr. Anderson received in connection with the pro rata distribution from North Bridge Growth Equity I, L.P. referenced in footnote 3 above as well as 1,126 shares received in a previous distribution.
Represents shares held of record by Mr. D'Amore received in connection with the pro rata distribution from North Bridge Growth Equity I, L.P. referenced in footnote 3 above.
Represents shares held of record by a trust for the benefit of certain of Mr. Anderson's immediate family members of which 512 shares were received in connection with the pro rata distribution from North Bridge Growth Equity I, L.P. referenced in footnote 3 above as well as 585 shares received in a previous distribution. Mr. Anderson's immediate family member is the trustee of the trust. Mr. Anderson disclaims beneficial ownership of these shares, and the filing of this report is not an admission that Mr. Anderson is the beneficial owner of these securities for purposes of Section 16 or any other purpose.