Proto Labs Inc — Director's Dealing 2013

Sep 24, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Proto Labs Inc (PRLB)
CIK: 0001443669
Period of Report: 2013-09-23

Reporting Person: Schneider Jacqueline D. (VP Sales & Customer Service)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-23	Common Stock	M	2000	$5.56	Acquired	3250	Direct
2013-09-23	Common Stock	S	2000	$78.9205	Disposed	1250	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-09-23	Employee Stock Option (right to buy)	$5.56	M	2000	Disposed	2019-04-28	Common Stock (2000)	Direct

Footnotes

F1: Transaction effected pursuant to Rule 10b5-1 trading plan adopted by the reporting person on August 8, 2013.

F2: Reflects the weighted average price of 2,000 shares of common stock of Proto Labs, Inc. sold by the reporting person in multiple transactions on September 23, 2013 with sale prices ranging from $78.9025 to $78.9600 per share. The reporting person undertakes to provide upon request by the U.S. Securities and Exchange Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3: The option vests as to 20% of the shares in five annual installments beginning on April 28, 2010.