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Filing Details

Accession Number:: 0001437749-21-003290
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-02-18 16:44:08
Reporting Period:: 2021-02-16

Accepted Time:: 2021-02-18 16:44:08
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1443669	Proto Labs Inc	PRLB	Fabricated Structural Metal Products (3440)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1536324	Iii R. Arthur Baker	5540 Pioneer Creek Drive Maple Plain MN 55359	Chief Technology Officer	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2021-02-16	3,474	$60.96	23,337	No	4	M	Direct
Common Stock	Acquisiton	2021-02-16	3,628	$58.35	26,965	No	4	M	Direct
Common Stock	Disposition	2021-02-16	802	$181.09	26,163	No	4	S	Direct
Common Stock	Disposition	2021-02-16	1,100	$182.81	25,063	No	4	S	Direct
Common Stock	Disposition	2021-02-16	900	$183.69	24,163	No	4	S	Direct
Common Stock	Disposition	2021-02-16	1,500	$184.85	22,663	No	4	S	Direct
Common Stock	Disposition	2021-02-16	2,100	$185.66	20,563	No	4	S	Direct
Common Stock	Disposition	2021-02-16	700	$186.82	19,863	No	4	S	Direct
Common Stock	Disposition	2021-02-16	2,000	$196.26	17,863	No	4	S	Direct
Common Stock	Disposition	2021-02-16	1,087	$197.05	16,776	No	4	F	Direct
Common Stock	Acquisiton	2021-02-16	4,212	$0.00	20,988	No	4	A	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	F	Direct
No	4	A	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2021-02-16	3,474	$0.00	3,474	$60.96
Common Stock	Employee Stock Option (right to buy)	Disposition	2021-02-16	3,628	$0.00	3,628	$58.35
Common Stock	Employee Stock Option (right to buy)	Acquisiton	2021-02-16	3,442	$0.00	3,442	$180.46

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
1,737	2026-05-02	No	4	M	Direct
907	2027-02-13	No	4	M	Direct
3,442	2031-02-16	No	4	A	Direct

Footnotes

Reflects the weighted average price of 802 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $180.85 to $181.76 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.
Reflects the weighted average price of 1,100 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $182.19 to $183.17 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.
Reflects the weighted average price of 900 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $183.34 to $184.21 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.
Reflects the weighted average price of 1,500 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $184.35 to $185.33 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.
Reflects the weighted average price of 2,100 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $185.37 to $186.21 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.
Reflects the weighted average price of 700 shares of common stock of Proto Labs, Inc. sold by the reporting person on February 16, 2021 with sale prices ranging from $186.43 to $187.34 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.
The option vests as to 20% of the shares in five annual installments beginning on May 4, 2017.
The option vests as to 20% of the shares in five annual installments beginning on February 13, 2018.
The restricted stock units vest as to 25% of the shares in four annual installments beginning on February 13, 2022.
The option vests as to 25% of the shares in four annual installments beginning on February 13, 2022.