Proto Labs Inc 4

4 · Proto Labs Inc · Filed Mar 16, 2016

Form 4

Period: 2016-03-14

Chief Operating Officer

Transactions

Exercise/Conversion
Employee Stock Option (right to buy)
2016-03-14−1,999→ 7,996 total
Exercise: $67.15Exp: 2025-02-09→ Common Stock (1,999 underlying)
Exercise/Conversion
Common Stock
2016-03-14$47.08/sh+3,234$152,257→ 38,358 total
Exercise/Conversion
Employee Stock Option (right to buy)
2016-03-14−21,000→ 0 total
Exercise: $7.86Exp: 2020-12-21→ Common Stock (21,000 underlying)
Sale
Common Stock
2016-03-14$75.11/sh−26,233$1,970,353→ 14,124 total
Exercise/Conversion
Common Stock
2016-03-14$7.86/sh+21,000$165,060→ 35,124 total
Exercise/Conversion
Common Stock
2016-03-14$67.15/sh+1,999$134,233→ 40,357 total
Exercise/Conversion
Employee Stock Option (right to buy)
2016-03-14−3,234→ 6,468 total
Exercise: $47.08Exp: 2023-02-15→ Common Stock (3,234 underlying)

Footnotes (5)

[F1]Sale effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 18, 2015.
[F2]Reflects 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.
[F3]Fully vested.
[F4]The option vests as to 20% of the shares in five annual installments beginning on February 15, 2014.
[F5]The option vests as to 20% of the shares in five annual installments beginning on February 9, 2016.

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