WEHRWEIN SVEN

SEC source: 0001209191-23-045896 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,387

F1 · price: Reflects the weighted average price of 1,000 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on August 11, 2023 with sales prices ranging from $170.00 to $170.12 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 purchased or sold at each separate price.

SEC source: 0001209191-23-044834 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,387

F1 · shares: The deferred stock units will vest on the earlier of (a) immediately prior to the 2024 annual meeting of stockholders or (b) the one year anniversary of the grant date, provided the reporting person remains a member of the board as of the vesting date. The deferred stock units must be retained until completion of the reporting person's service on the board, and upon completion of such service, convert into an equal number of shares of our common stock. The reporting person may defer receipt of the shares for up to ten years after completion of service.

SEC source: 0001323885-23-000063 · wk-form4_1685132537.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,185

F1 · shares: The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan. The shares will vest upon the one-year anniversary of the grant date.

SEC source: 0001437749-23-015289 · rdgdoc.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,655

F1 · shares: Deferred stock units that vest in full on the earlier of the first anniversary of the grant date or the date of the 2024 annual meeting of shareholders of Proto Labs, Inc. (the "Company"), but must be retained by the reporting person until the completion of the reporting person's service on the Company's Board of Directors.

SEC source: 0001209191-23-029967 · doc4.xml · derivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,466

Underlying: Common Stock · 1,466 shares

Expires 2030-05-12

F2 · derivative.exercise_date: This option shall vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2023, provided the reporting person remains a member of the board as of the vesting date.

SEC source: 0001209191-23-029967 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,269

F1 · shares: The deferred stock units will vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2023, provided the reporting person remains a member of the board as of the vesting date. The deferred stock units must be retained until completion of the reporting person's service on the board, and upon completion of such service, convert into an equal number of shares of our common stock. The reporting person may defer receipt of the shares for up to ten years after completion of service.

SEC source: 0001209191-23-019389 · doc4.xml · derivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 732

Underlying: Common Stock · 1,000 shares

Expires 2026-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-23-019389 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,684

F1 · price: Reflects the weighted average price of 1,000 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on March 14, 2023 with sales prices ranging from $145.105 to $146.08 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 purchased or sold at each separate price.

SEC source: 0001209191-23-019389 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001437749-22-021718 · rdgdoc.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,142

F1 · shares: The deferred stock units vest in full on May 18, 2023, but must be retained by the reporting person until the completion of the reporting person's service on the Board of Directors of Proto Labs, Inc.

SEC source: 0001209191-22-046326 · doc4.xml · derivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,732

Underlying: Common Stock · 1,000 shares

Expires 2026-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-22-046326 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,684

SEC source: 0001209191-22-046326 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-22-045075 · doc4.xml · derivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,732

Underlying: Common Stock · 1,000 shares

Expires 2026-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-22-045075 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,684

SEC source: 0001209191-22-045075 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,684

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001323885-22-000077 · wf-form4_165365665518131.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,999

F1 · shares: The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2014 Stock Incentive Plan. The shares will vest upon the one-year anniversary of the grant date.

SEC source: 0001437749-22-013218 · rdgdoc.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,142

F1 · shares: The deferred stock units vest in full on May 18, 2023, but must be retained by the reporting person until the completion of the reporting person's service on the Board of Directors of Proto Labs, Inc.

SEC source: 0001209191-22-030619 · doc4.xml · derivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,252

Underlying: Common Stock · 2,252 shares

Expires 2029-05-17

F2 · derivative.exercise_date: This option shall vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2022, provided the reporting person remains a member of the board as of the vesting date.

SEC source: 0001209191-22-030619 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,684

F1 · shares: The deferred stock units will vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2022, provided the reporting person remains a member of the board as of the vesting date. The deferred stock units must be retained until completion of the reporting person's service on the board, and upon completion of such service, convert into an equal number of shares of our common stock. The reporting person may defer receipt of the shares for up to ten years after completion of service.

SEC source: 0001209191-21-066091 · doc4.xml · derivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,732

Underlying: Common Stock · 1,100 shares

Expires 2026-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-21-066091 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F1 · price: Reflects the weighted average price of 1,100 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on November 18, 2021 with sales prices ranging from $150.00 to $150.22 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 purchased or sold at each separate price.

SEC source: 0001209191-21-066091 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,946

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-065468 · doc4.xml · derivative · entry 8

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,832

Underlying: Common Stock · 900 shares

Expires 2026-05-14

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_price: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F3 · shares: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F5 · derivative.exercise_date: Fully vested.

F3 · derivative.underlying_shares: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F3 · balance_after: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-065468 · doc4.xml · nonDerivative · entry 5

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F4 · price: Reflects the weighted average price of 900 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on November 17, 2021 with sales prices ranging from $150.01 to $150.24 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 purchased or sold at each separate price.

SEC source: 0001209191-21-065468 · doc4.xml · nonDerivative · entry 4

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,746

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · shares: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 2,866 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 5,732 shares of Common Stock.

F3 · shares: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · price: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 2,866 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 5,732 shares of Common Stock.

F3 · price: This option was previously reported as an option for 2,866 shares of Common stock at an exercise price of $103.60 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-065468 · doc4.xml · derivative · entry 7

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,570 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-21-065468 · doc4.xml · derivative · entry 6

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 792 shares

Expires 2023-05-18

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F5 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-21-065468 · doc4.xml · nonDerivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F1 · price: Reflects the weighted average price of 2,362 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on November 16, 2021 with sales prices ranging from $149.00 to $149.49 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 purchased or sold at each separate price.

SEC source: 0001209191-21-065468 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,208

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-065468 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,638

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-049949 · doc4.xml · derivative · entry 6

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,570

Underlying: Common Stock · 2,000 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F5 · derivative.exercise_date: Fully vested.

F2 · derivative.underlying_shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · balance_after: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-049949 · doc4.xml · nonDerivative · entry 4

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F4 · price: Reflects the weighted average price of 2,000 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on August 4, 2021 with sales prices ranging from $112.00 to $112.39 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 purchased or sold at each separate price.

SEC source: 0001209191-21-049949 · doc4.xml · nonDerivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,846

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,285 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,570 shares of Common Stock.

F2 · shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F1 · price: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,285 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,570 shares of Common Stock.

F2 · price: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-049949 · doc4.xml · derivative · entry 5

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,570

Underlying: Common Stock · 3,000 shares

Expires 2025-05-31

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F5 · derivative.exercise_date: Fully vested.

F2 · derivative.underlying_shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · balance_after: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-049949 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F3 · price: Reflects the weighted average price of 3,000 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on August 3, 2021 with sales prices ranging from $111.01 to $111.84 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 purchased or sold at each separate price.

SEC source: 0001209191-21-049949 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,846

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,285 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,570 shares of Common Stock.

F2 · shares: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F1 · price: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. The stock split dividend was distributed on August 22, 2019, and at that time pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,285 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,570 shares of Common Stock.

F2 · price: This option was previously reported as an option for 3,285 shares of Common stock at an exercise price of $74.43 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-035369 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,435

F1 · shares: The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2014 Stock Incentive Plan. The shares will vest upon the one-year anniversary of the grant date.

SEC source: 0001209191-21-034938 · doc4.xml · derivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,778

Underlying: Common Stock · 2,778 shares

Expires 2028-05-19

F2 · derivative.exercise_date: This option shall vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2021, provided the reporting person remains a member of the board as of the vesting date.

SEC source: 0001209191-21-034938 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,820

F1 · shares: The deferred stock units will vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2021, provided the reporting person remains a member of the board as of the vesting date. The deferred stock units must be retained until completion of the reporting person's service on the board, and upon completion of such service, convert into an equal number of shares of our common stock. The reporting person may defer receipt of the shares for up to ten years after completion of service.

SEC source: 0001209191-21-035834 · doc4a.xml · derivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,860

Underlying: Common Stock · 2,860 shares

Expires 2028-05-19

F2 · shares: This amendment corrects the amounts reported on Form 4 filed on May 21, 2021.

F3 · derivative.exercise_date: This option shall vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2021, provided the reporting person remains a member of the board as of the vesting date.

F2 · derivative.underlying_shares: This amendment corrects the amounts reported on Form 4 filed on May 21, 2021.

F2 · balance_after: This amendment corrects the amounts reported on Form 4 filed on May 21, 2021.

SEC source: 0001209191-21-035834 · doc4a.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,846

F1 · shares: The deferred stock units will vest in four equal installments on the last day of each fiscal quarter with the first vesting occurring on June 30, 2021, provided the reporting person remains a member of the board as of the vesting date. The deferred stock units must be retained until completion of the reporting person's service on the board, and upon completion of such service, convert into an equal number of shares of our common stock. The reporting person may defer receipt of the shares for up to ten years after completion of service.

F2 · shares: This amendment corrects the amounts reported on Form 4 filed on May 21, 2021.

SEC source: 0001437749-21-012939 · rdgdoc.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,906

F1 · shares: The deferred stock units vest in full on May 18, 2022, but must be retained by the reporting person until the completion of the reporting person's service on the Board of Directors of Proto Labs, Inc.

SEC source: 0001209191-21-030182 · doc4.xml · derivative · entry 4

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,000

Underlying: Common Stock · 5,000 shares

Expires 2026-11-11

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: These options were granted on November 11, 2016. The options vest and are exercisable as to 25% of the shares one year from the date of grant and the remaining 75% thereafter vests and are exercisable in equal monthly installments on the same day of the month over the following three years.

SEC source: 0001209191-21-030182 · doc4.xml · nonDerivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,686

F2 · price: This transaction was executed in multiple trades at prices ranging from $78.07 to $78.57 per share. The price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-21-030182 · doc4.xml · nonDerivative · entry 2

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,686

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001209191-21-030182 · doc4.xml · nonDerivative · entry 1

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,686

F1 · price: This transaction was executed in multiple trades at prices ranging from $77.50 to $78.00 per share. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

SEC source: 0001209191-21-012680 · doc4.xml · derivative · entry 6

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,752 shares

Expires 2024-05-23

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · shares: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F5 · derivative.exercise_date: Fully vested.

F2 · derivative.underlying_shares: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F2 · balance_after: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

SEC source: 0001209191-21-012680 · doc4.xml · nonDerivative · entry 4

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,910

F4 · price: Reflects the weighted average price of 5,752 shares of Common Stock of the Issuer sold by the reporting person in multiple transactions on February 19, 2021 with sales prices ranging from $110.00 to $110.8143 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 purchased or sold at each separate price.

SEC source: 0001209191-21-012680 · doc4.xml · nonDerivative · entry 3

WEHRWEIN SVEN · CIK 0001205069 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,662

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. Pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,026 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,052 shares of Common Stock.

F2 · shares: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.

F1 · price: On July 25, 2019, the Issuer announced that its board of directors declared a two-for-one stock split of the Common Stock of the Issuer, effected in the form of a 100 percent stock dividend as of the record date on August 8, 2019. Pursuant to anti-dilution provisions of the Issuer's 2010 Equity Incentive Plan, an option for 3,026 shares of Common Stock held by the reporting person on August 22, 2019 became an option for 6,052 shares of Common Stock.

F2 · price: This option was previously reported as an option for 3,026 shares of Common stock at an exercise price of $58.29 per share, but was adjusted to reflect the stock dividend declared by the Issuer on July 25, 2019.