Proto Labs Inc — Director's Dealing 2015

Jul 27, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Proto Labs Inc (PRLB)
CIK: 0001443669
Period of Report: 2015-07-23

Reporting Person: Schneider Jacqueline D. (Vice President Global Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-23	Common Stock	M	5000	$5.56	Acquired	11729	Direct
2015-07-23	Common Stock	M	14000	$7.86	Acquired	25729	Direct
2015-07-23	Common Stock	M	7142	$30.58	Acquired	32871	Direct
2015-07-23	Common Stock	M	3858	$47.08	Acquired	36729	Direct
2015-07-23	Common Stock	S	8846	$73.1174	Disposed	27883	Direct
2015-07-23	Common Stock	S	1154	$73.6662	Disposed	26729	Direct
2015-07-23	Common Stock	S	10000	$74.5481	Disposed	16729	Direct
2015-07-23	Common Stock	S	10000	$76.509	Disposed	6729	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-23	Employee Stock Option (right to buy)	$5.56	M	5000	Disposed	2019-04-28	Common Stock (5000)	Direct
2015-07-23	Employee Stock Option (right to buy)	$7.86	M	14000	Disposed	2020-12-21	Common Stock (14000)	Direct
2015-07-23	Employee Stock Option (right to buy)	$30.58	M	7142	Disposed	2022-05-07	Common Stock (7142)	Direct
2015-07-23	Employee Stock Option (right to buy)	$47.08	M	3858	Disposed	2023-02-15	Common Stock (3858)	Direct

Footnotes

F1: Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 10, 2015.

F2: Reflects the weighted average price of 8,846 shares of common stock of Proto Labs, Inc. sold by the reporting person on July 23, 2015 with sale prices ranging from $72.56 to $73.56 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: Reflects the weighted average price of 1,154 shares of common stock of Proto Labs, Inc. sold by the reporting person on July 23, 2015 with sale prices ranging from $73.58 to $74.02 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.

F4: Reflects the weighted average price of 10,000 shares of common stock of Proto Labs, Inc. sold by the reporting person on July 23, 2015 with sale prices ranging from $74.50 to $74.75 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.

F5: Reflects the weighted average price of 10,000 shares of common stock of Proto Labs, Inc. sold by the reporting person on July 23, 2015 with sale prices ranging from $76.50 to $76.65 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.

F6: Fully vested.

F7: The option vests as to 20% of the shares in five annual installments beginning on December 21, 2011.

F8: The option vests as to 20% of the shares in five annual installments beginning on May 7, 2013.

F9: The option vests as to 20% of the shares in five annual installments beginning on February 15, 2014.