SEC Form 4 · accession 0001437749-16-027835

Proto Labs Inc · PRLB

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

Reporting owner

Officer — Executive VP and Tech. Officer

Period of report

Mar 14, 2016

Accepted (ET)

Mar 16, 2016 · 4:42 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	Mar 14, 2016	M	21,000	$7.86	A	35,124	D
Common Stock	Mar 14, 2016	M	3,234	$47.08	A	38,358	D
Common Stock	Mar 14, 2016	M	1,999	$67.15	A	40,357	D
Common Stock^F1,F2	Mar 14, 2016	S	26,233	$75.1097	D	14,124	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)^F3	$7.86	Mar 14, 2016	M	21,000	D	—	Dec 21, 2020	Common Stock	21,000	0	D
Employee Stock Option (right to buy)^F4	$47.08	Mar 14, 2016	M	3,234	D	—	Feb 15, 2023	Common Stock	3,234	6,468	D
Employee Stock Option (right to buy)^F5	$67.15	Mar 14, 2016	M	1,999	D	—	Feb 9, 2025	Common Stock	1,999	7,996	D

F1Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2015.
F2Reflects the weighted average price of 26,233 shares of common stock of Proto Labs, Inc. sold by the reporting person on March 14, 2016 with sale prices ranging from $75.00 to $75.28 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.
F3Fully vested.
F4The option vests as to 20% of the shares in five annual installments beginning on February 15, 2014.
F5The option vests as to 20% of the shares in five annual installments beginning on February 9, 2016.