SEC Form 4 · accession 0001437749-18-016526

Proto Labs Inc · PRLB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — VP/General Manager-Americas

Period of report

Aug 30, 2018

Accepted (ET)

Sep 4, 2018 · 4:51 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001443669

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I
Common Stock	Aug 30, 2018	M	3,528	$78.59	A	23,283	D
Common Stock	Aug 30, 2018	M	907	$58.35	A	24,190	D
Common Stock^F3	Aug 30, 2018	S	4,435	$150.1978	D	19,755	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (right to buy)^F4	$78.59	Aug 30, 2018	M	3,528	D	—	Feb 13, 2024	Common Stock	3,528	1,632	D
Employee Stock Option (right to buy)^F5	$58.35	Aug 30, 2018	M	907	D	—	Feb 13, 2027	Common Stock	907	3,628	D

F1Stock option exercise effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2018.
F2Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 8, 2018.
F3Reflects 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.
F4The option vests as to 20% of the shares in five annual installments beginning on February 13, 2015.
F5The option vests as to 20% of the shares in five annual installments beginning on February 13, 2018.