Oleg Ryaboy - 09 Sep 2022 Form 4 Insider Report for Proto Labs Inc (PRLB)

Role: Chief Technology Officer
Signature: /s/ W. Morgan Burns, Attorney-in-Fact
Issuer symbol: PRLB
Transactions as of: 09 Sep 2022
Transactions value $: $0
Form type: 4
Date filed: 13 Sep 2022, 16:55
Next filing: 15 Feb 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PRLB	Common Stock	Award	$0	+9.36K		$0.00	9.36K	09 Sep 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	+6.31K		$0.00	6.31K	09 Sep 2022	Common Stock	6.31K	$40.06	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The restricted stock units vest as to 25% of the shares in four annual installments beginning on February 13, 2023.
F2	The stock option vest as to 25% of the shares in four annual installments beginning on February 13, 2023.