Proto Labs Inc — Director's Dealing 2018

Sep 4, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Proto Labs Inc (PRLB)
CIK: 0001443669
Period of Report: 2018-08-30

Reporting Person: Bodor Robert (VP/General Manager-Americas)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-08-30	Common Stock	M	3528	$78.59	Acquired	23283	Direct
2018-08-30	Common Stock	M	907	$58.35	Acquired	24190	Direct
2018-08-30	Common Stock	S	4435	$150.19780	Disposed	19755	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-08-30	Employee Stock Option (right to buy)	$78.59	M	3528	Disposed	2024-02-13	Common Stock (3528)	Direct
2018-08-30	Employee Stock Option (right to buy)	$58.35	M	907	Disposed	2027-02-13	Common Stock (907)	Direct

Footnotes

F1: Stock option exercise effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2018.

F2: Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2018.

F3: Reflects the weighted average price of 4,435 shares of common stock of Proto Labs, Inc. sold by the reporting person on August 30, 2018 with sale prices ranging from $150.00 to $150.70 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: The option vests as to 20% of the shares in five annual installments beginning on February 13, 2015.

F5: The option vests as to 20% of the shares in five annual installments beginning on February 13, 2018.