Bjoern Klaas - Feb 15, 2022 Form 4 Insider Report for Proto Labs Inc (PRLB)

Role: VP and Mng Director-PL Europe
Signature: /s/ W. Morgan Burns, Attorney-in-Fact
Stock symbol: PRLB
Transactions as of: Feb 15, 2022
Transactions value $: $0
Form type: 4
Date filed: 2/17/2022, 03:07 PM
Previous filing: Feb 15, 2022
Next filing: Feb 15, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRLB	Common Stock	Award	$0	+3.79K	+43.26%	$0.00	12.5K	Feb 15, 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PRLB	Employee Stock Option (right to buy)	Award	$0	+4.04K		$0.00	4.04K	Feb 15, 2022	Common Stock	4.04K	$59.40	Direct	F2
transaction	PRLB	Performance Stock Units	Award	$0	+1.89K		$0.00	1.89K	Feb 15, 2022	Common Stock	1.89K		Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Restricted Stock Units that vest as follows: 25% of shares subject to the award will vest on February 13, 2023, and on each February 13th thereafter until all shares subject to the award are fully vested.
F2	25% of shares subject to the award will vest on February 13, 2023, and on each February 13th thereafter until all shares subject to the award are fully vested.
F3	Each performance stock unit represents a contingent right to receive one share of Proto Labs, Inc. common stock. The performance stock units vest upon Proto Labs, Inc. common stock achieving a specified price per share.