AGX

SEC source: 0001104659-17-026980 · a4.xml · nonDerivative · entry 2

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

F2 · shares: On April 26, 2017, the Reporting Person sold 1,500 shares of the Issuer's common stock on the open market at an average price of $67.7366 per share.

SEC source: 0001104659-17-026980 · a4.xml · nonDerivative · entry 1

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · shares: On April 25, 2017, the Reporting Person sold 1,500 shares of the Issuer's common stock on the open market at an average price of $67.6945 per share.

SEC source: 0001104659-17-024999 · a4.xml · nonDerivative · entry 2

QUINN JAMES W · CIK 0001094454 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,570

F2 · shares: On April 20, 2017, the Reporting Person sold 6,826 shares of the Issuer's common stock on the open market at an average price of $66.2408 per share.

SEC source: 0001104659-17-024999 · a4.xml · nonDerivative · entry 1

QUINN JAMES W · CIK 0001094454 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,396

F1 · shares: On April 19, 2017, the Reporting Person sold 3,174 shares of the Issuer's common stock on the open market at an average price of $66.0047 per share.

SEC source: 0001104659-17-023828 · a4.xml · derivative · entry 6

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,000

Underlying: Common Stock · 7,446 shares

Expires 2026-04-13

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 · shares: On April 17, 2017, the Reporting Person exercised his stock option received on April 13, 2016 to purchase 7,446 shares of the Issuer's common stock at a price of $33.85 per share.

F5 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 30,000 shares of common stock at a price of $41.68 with Date Exercisable of 06/23/2017 and Expiration Date of 06/23/2026; and (b) options to acquire 40,000 shares of common stock at a price of $64.25 per share with Date Exercisable of 04/06/2018 and Expiration Date of 04/06/2027.

SEC source: 0001104659-17-023828 · a4.xml · nonDerivative · entry 4

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,700

F4 · shares: On April 17, 2017, the Reporting Person sold 6,446 shares of the Issuer's common stock on the open market at an average price of $65.07 per share.

SEC source: 0001104659-17-023828 · a4.xml · nonDerivative · entry 3

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,146

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 · shares: On April 17, 2017, the Reporting Person exercised his stock option received on April 13, 2016 to purchase 7,446 shares of the Issuer's common stock at a price of $33.85 per share.

SEC source: 0001104659-17-023828 · a4.xml · derivative · entry 5

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,446

Underlying: Common Stock · 2,554 shares

Expires 2026-04-13

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 April 13, 2017, the Reporting Person exercised his stock option received on April 13, 2016 to purchase 2,554 shares of the Issuer's common stock at a price of $33.85 per share.

SEC source: 0001104659-17-023828 · a4.xml · nonDerivative · entry 2

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,700

F2 · shares: On April 13, 2017, the Reporting Person sold 2,204 shares of the Issuer's common stock on the open market at an average price of $66.00 per share.

SEC source: 0001104659-17-023828 · a4.xml · nonDerivative · entry 1

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,904

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 April 13, 2017, the Reporting Person exercised his stock option received on April 13, 2016 to purchase 2,554 shares of the Issuer's common stock at a price of $33.85 per share.

SEC source: 0001104659-17-022315 · a4.xml · derivative · entry 2

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,000

Underlying: Common Stock · 50,000 shares

Expires 2027-04-06

F2 · shares: On April 6, 2017, the Reporting Person received 10-year options to purchase 50,000 shares of the Issuer's common stock with an exercise price of $64.25 per share.

F3 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 25,000 shares of common stock at a price of $16.37 per share with Date Exercisable of 03/07/2014 and Expiration Date of 03/07/2023; (b) options to acquire 50,000 shares of common stock at a price of $32.68 with Date Exercisable of 04/16/2016 and Expiration Date of 04/16/2025; (c) options to acquire 50,000 shares of common stock at a price of $33.85 per share with Date Exercisable of 04/13/2017 and Expiration Date of 04/13/2026; and (d) options to acquire 50,000 shares of common stock at a price of $64.25 per share with Date Exercisable of 04/06/2018 and Expiration Date of 04/06/2027

SEC source: 0001104659-17-022314 · a4.xml · derivative · entry 2

Watson David Hibbert · CIK 0001482442 · SVP & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Common Stock · 40,000 shares

Expires 2027-04-06

F1 · shares: On April 6, 2017, the Reporting Person received 10-year options to purchase 40,000 shares of the Issuer's common stock with an exercise price of $64.25 per share.

F2 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 10,000 shares of common stock at a price of $33.85 per share with Date Exercisable of 04/13/2017 and Expiration Date of 04/13/2026; (b) options to acquire 30,000 shares of common stock at a price of $41.68 with Date Exercisable of 06/23/2017 and Expiration Date of 06/23/2026; and (c) options to acquire 40,000 shares of common stock at a price of $64.25 per share with Date Exercisable of 04/06/2018 and Expiration Date of 04/06/2027.

SEC source: 0001104659-17-022313 · a4.xml · derivative · entry 1

Deily Richard H · CIK 0001358787 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 10,000 shares

Expires 2027-04-06

F1 · shares: On April 6, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $64.25 per share.

F2 · balance_after: As of the date of this Filing, the total number of options owned by the Reporting Person includes (a) options to purchase a total of 10,000 shares of common stock at the price of $33.85 per share with the date exercisable of 04/13/2017 and expiration date of 04/13/2026; and (b) options to acquire 10,000 shares of common stock at a price of $64.25 per share with Date Exercisable of 04/06/2018 and Expiration Date of 04/06/2027.

SEC source: 0001104659-17-005522 · a4.xml · nonDerivative · entry 4

Leimkuhler William F. · CIK 0001361943 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Simplified Employee Pension IRA

Disclosed balance after: 0

F1 · shares: On January 30, 2017, the Reporting Person sold 2,000 shares of the Issuer's common stock held through his Simplified Employee Pension IRA on the open market at a price of $73.2299 per share.

SEC source: 0001104659-17-004596 · a4.xml · nonDerivative · entry 4

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 327,411

F4 · shares: On January 27, 2017, the Reporting Person sold 83 shares of the Issuer's common stock which were acquired pursuant the exercise of stock options on January 25, 2017 [see footnote 1 above] on the open market at a price of $75.00 per share.

F5 · balance_after: 2,241 shares are held by Rainer and Beverley Bosselmann, as joint tenants, and the remaining shares are held by Rainer Bosselmann.

SEC source: 0001104659-17-004596 · a4.xml · nonDerivative · entry 3

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 327,494

F3 · shares: On January 26, 2017, the Reporting Person sold 22,807 shares of the Issuer's common stock which were acquired pursuant the exercise of stock options on January 25, 2017 [see footnote 1 above] on the open market at a price of $75.0644 per share.

SEC source: 0001104659-17-004596 · a4.xml · derivative · entry 5

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Common Stock · 50,000 shares

Expires 2024-04-16

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 January 25, 2017, the Reporting Person exercised his stock option received pursuant to an agreement dated April 16, 2014 to purchase 50,000 shares of the Issuer's common stock at a price of $27.09 per share.

F6 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 25,000 shares of common stock at a price of $16.37 per share with Date Exercisable of 03/07/2014 and Expiration Date of 03/07/2023; (b) options to acquire 50,000 shares of common stock at a price of $32.68 with Date Exercisable of 04/16/2016 and Expiration Date of 04/16/2025; and (c) options to acquire 50,000 shares of common stock at a price of $33.85 per share with Date Exercisable of 04/13/2017 and Expiration Date of 04/13/2026.

SEC source: 0001104659-17-004596 · a4.xml · nonDerivative · entry 2

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 350,301

F2 · shares: On January 25, 2017, the Reporting Person sold 12,600 shares of the Issuer's common stock which were acquired pursuant the exercise of stock options on the same day [see footnote 1 above] on the open market at a price of $76.0471 per share.

SEC source: 0001104659-17-004596 · a4.xml · nonDerivative · entry 1

BOSSELMANN RAINER H · CIK 0001028546 · Director · Chairman of the Board & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 362,901

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 January 25, 2017, the Reporting Person exercised his stock option received pursuant to an agreement dated April 16, 2014 to purchase 50,000 shares of the Issuer's common stock at a price of $27.09 per share.

SEC source: 0001104659-17-004025 · a4.xml · nonDerivative · entry 1

Griffin William F Jr · CIK 0001384123 · Director · VC/CEO of Gemma Power Systems

10b5-1 filing: Not disclosed

Ownership: Indirect · By William F. Griffin, Jr. Revocable Trust DTD 12/09/04

Disclosed balance after: 306,150

F1 · shares: On January 23, 2017, 25,000 shares of the Issuer's common stock were sold by William F. Griffin, Jr. Revocable Trust DTD 12/09/04 (the "Revocable Trust") on the open market at the average price of $70.33 per share. Pursuant to the transaction, the amount of shares of the Issuer's common stock owned by the Revocable Trust decreased from 331,150 shares to 306,150 shares.

SEC source: 0001104659-17-003387 · a4.xml · derivative · entry 3

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 10,000 shares

Expires 2022-12-18

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.

F1 · shares: On January 19, 2017, the Reporting Person purchased 10,000 shares of the Issuer's common stock with an exercise price of $18.87 per share through an cashless exercise of her stock option received on December 18, 2012.

F3 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 10,000 shares of common stock at a price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (b) options to acquire 10,000 shares of common stock at a price of $31.82 with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; and (c) options to acquire 10,000 shares of common stock at a price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026.

SEC source: 0001104659-17-003387 · a4.xml · nonDerivative · entry 2

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

F2 · shares: On January 19, 2017, the Reporting Person sold the 10,000 shares of the Issuer's common stock which were acquired pursuant to the exercise of stock options on the same day [see footnote 1 above] on the open market at a price of $70.67114 per share.

SEC source: 0001104659-17-003387 · a4.xml · nonDerivative · entry 1

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,000

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 January 19, 2017, the Reporting Person purchased 10,000 shares of the Issuer's common stock with an exercise price of $18.87 per share through an cashless exercise of her stock option received on December 18, 2012.

SEC source: 0001104659-17-002796 · a4.xml · derivative · entry 5

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Common Stock · 5,000 shares

Expires 2024-12-11

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.

F2 · shares: On January 13, 2017, the Reporting Person sold 5,000 shares of common stock on the open market at a price of $70.5772 per share.

F3 · balance_after: As of the date of this filing, the Reporting Person owns options to purchase 7,000 shares of common stock at the price of $30.44 per share with the date exercisable of 01/07/2017 and expiration date of 01/07/2026.

SEC source: 0001104659-17-002796 · a4.xml · nonDerivative · entry 2

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

F2 · shares: On January 13, 2017, the Reporting Person sold 5,000 shares of common stock on the open market at a price of $70.5772 per share.

SEC source: 0001104659-17-002796 · a4.xml · nonDerivative · entry 1

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,000

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 January 13, 2017, the Reporting Person exercised his stock option received on December 11, 2014 to purchase 5,000 shares of the Issuer's common stock at a price of $31.82 per share.

SEC source: 0001104659-17-002323 · a4.xml · derivative · entry 4

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

Underlying: Common Stock · 3,000 shares

Expires 2026-01-07

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 January 11, 2017, the Reporting Person exercised his stock option received on January 7, 2016 to purchase 3,000 shares of the Issuer's common stock at a price of $30.44 per share.

F2 · balance_after: As of the date of this filing, the Reporting Person owns options to purchase a total of 12,000 shares of the Issuer's common stock, which include options to purchase 5,000 shares of common stock at the price of $31.82 per share with the date exercisable of 12/11/2015 and expiration date of 12/11/2024 and options to purchase 7,000 shares of common stock at the price of $30.44 per share with the date exercisable of 01/07/2017 and expiration date of 01/07/2026.

SEC source: 0001104659-17-002323 · a4.xml · nonDerivative · entry 1

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

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 January 11, 2017, the Reporting Person exercised his stock option received on January 7, 2016 to purchase 3,000 shares of the Issuer's common stock at a price of $30.44 per share.

SEC source: 0001104659-17-001618 · a4.xml · nonDerivative · entry 2

Deily Richard H · CIK 0001358787 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: On January 6, 2017, the Reporting Person sold 2,650 shares of the Issuer's common stock on the open market at a price of $72.0075 per share.

SEC source: 0001104659-17-001618 · a4.xml · nonDerivative · entry 1

Deily Richard H · CIK 0001358787 · Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,650

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 January 6, 2017, the Reporting Person exercised his stock option received pursuant to an agreement dated April 2, 2012 to purchase 2,650 shares of the Issuer's common stock at a price of $16.47 per share.

SEC source: 0001104659-17-011658 · a4.xml · derivative · entry 4

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F1 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F2 · balance_after: As of the date of this filing, the Reporting Person owns options to purchase (a) 7,000 shares of common stock at a price of $30.44 per share with the date exercisable of 01/07/2017 and expiration date of 01/07/2026; and (b) 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 01/05/2018 and Expiration Date of 01/05/2027.

SEC source: 0001104659-17-011626 · a4.xml · derivative · entry 4

Leimkuhler William F. · CIK 0001361943 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F1 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F2 · balance_after: The total number of stock options owned by the Reporting Person includes options to acquire (i) 5,000 shares of Common Stock at an Exercise Price of $17.33 per share with Date Exercisable of 12/20/2012 and Expiration Date of 12/20/2021; (ii) 10,000 shares of Common Stock at an Exercise Price of $18.87 per share with Date Exercisable of 12/18/2013 and Expiration Date of 12/18/2022; (iii) 10,000 shares of Common Stock at an Exercise Price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (iv) 10,000 shares of Common Stock at an Exercise Price of $31.82 per share with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; (v) 10,000 shares of Common Stock at an Exercise Price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026; and (vi) 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 1/5/2018 and Expiration Date of 1/5/2027.

SEC source: 0001104659-17-011625 · a4.xml · derivative · entry 2

QUINN JAMES W · CIK 0001094454 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F1 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F2 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 10,000 shares of common stock at a price of $18.87 per share with Date Exercisable of 12/18/2013 and Expiration Date of 12/18/2022; (b) options to acquire 10,000 shares of common stock at a price of $ 26.88 with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (c) options to acquire 10,000 shares of common stock at a price of $31.82 per share with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; (d) options to acquire 10,000 shares of common stock at a price of $30.44 per share with Date Exercisable of 1/7/2017and Expiration Date of 1/7/2026; and (e) options to acquire 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 1/5/2018 and Expiration Date of 1/5/2027.

SEC source: 0001104659-17-011622 · a4.xml · derivative · entry 2

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F1 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F2 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 10,000 shares of common stock at a price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (b) options to acquire 10,000 shares of common stock at a price of $31.82 with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; (c) options to acquire 10,000 shares of common stock at a price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026; and (d) options to acquire 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 1/5/2018 and Expiration Date of 1/5/2027.

SEC source: 0001104659-17-011766 · a4.xml · derivative · entry 2

CRUMPTON HENRY A · CIK 0001430958 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F1 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F2 · balance_after: The total number of stock options owned by the Reporting Person includes options to acquire (i) 10,000 shares of Common Stock at an Exercise Price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (ii) 10,000 shares of Common Stock at an Exercise Price of $31.82 per share with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; (iii) 10,000 shares of Common Stock at an Exercise Price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026; and (iv) 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 1/5/2018 and Expiration Date of 1/5/2027.

SEC source: 0001104659-17-012736 · a4.xml · derivative · entry 2

MITCHELL W G CHAMPION · CIK 0001204823 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 10,000 shares

Expires 2027-01-05

F2 · shares: Pursuant to a stock option agreement dated January 5, 2017, the Reporting Person received 10-year options to purchase 10,000 shares of the Issuer's common stock with an exercise price of $71.75 per share.

F3 · balance_after: The total number of stock options owned by the Reporting Person includes options to acquire (i) 5,000 shares of Common Stock at an Exercise Price of $12.43 per share with Date Exercisable of 12/17/2010 and Expiration Date of 12/17/2019; (ii) 5,000 shares of Common Stock at an Exercise Price of $17.33 per share with Date Exercisable of 12/20/2012 and Expiration Date of 12/20/2021; (iii) 10,000 shares of Common Stock at an Exercise Price of $18.87 per share with Date Exercisable of 12/18/2013 and Expiration Date of 12/18/2022; (iv) 10,000 shares of Common Stock at an Exercise Price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (v) 10,000 shares of Common Stock at an Exercise Price of $31.82 per share with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024;

F4 · balance_after: (vi) 10,000 shares of Common Stock at an Exercise Price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026; and (vii) 10,000 shares of common stock at a price of $71.75 per share with Date Exercisable of 1/5/2018 and Expiration Date of 1/5/2027.

SEC source: 0001104659-17-000767 · a4.xml · nonDerivative · entry 2

Griffin William F Jr · CIK 0001384123 · Director · VC/CEO of Gemma Power Systems

10b5-1 filing: Not disclosed

Ownership: Indirect · By William F. Griffin, Jr. Revocable Trust DTD 12/09/04

Disclosed balance after: 331,150

F2 · shares: On January 4, 2017, 13,570 shares of the Issuer's common stock were sold by the Revocable Trust on the open market at the average price of $73.0583 per share. Pursuant to the transaction, the amount of shares of the Issuer's common stock owned by the Revocable Trust decreased from 344,720 shares to 331,150 shares.

SEC source: 0001104659-17-000582 · a4.xml · nonDerivative · entry 1

QUINN JAMES W · CIK 0001094454 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,570

F1 · shares: On January 3, 2017, the Reporting Person sold an aggregate of 10,000 shares of the Issuer's common stock on the open market at an average price of $70.7751 per share.

SEC source: 0001104659-17-000767 · a4.xml · nonDerivative · entry 1

Griffin William F Jr · CIK 0001384123 · Director · VC/CEO of Gemma Power Systems

10b5-1 filing: Not disclosed

Ownership: Indirect · By William F. Griffin, Jr. Revocable Trust DTD 12/09/04

Disclosed balance after: 344,720

F1 · shares: On December 27, 2016, 3,200 shares of the Issuer's common stock were sold by William F. Griffin, Jr. Revocable Trust DTD 12/09/04 (the "Revocable Trust") on the open market at the average price of $73.18 per share. Pursuant to the transaction, the amount of shares of the Issuer's common stock owned by the Revocable Trust decreased from 347,920 shares to 344,720 shares.

SEC source: 0001104659-16-163872 · a4.xml · nonDerivative · entry 1

Griffin William F Jr · CIK 0001384123 · Director · VC/CEO of Gemma Power Systems

10b5-1 filing: Not disclosed

Ownership: Indirect · By William F. Griffin, Jr. Revocable Trust DTD 12/09/04

Disclosed balance after: 347,920

F1 · shares: On December 22, 2016, 8,230 shares of the Issuer's common stock were sold by William F. Griffin, Jr. Revocable Trust DTD 12/09/04 (the "Revocable Trust") on the open market at the average price of $73.34 per share. Pursuant to the transaction, the amount of shares of the Issuer's common stock owned by the Revocable Trust decreased from 356,150 shares to 347,920 shares.

SEC source: 0001104659-16-163350 · a4.xml · derivative · entry 3

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Common Stock · 5,000 shares

Expires 2021-12-20

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 · shares: On December 21, 2016, the Reporting Person exercised her stock option with an exercise price of $17.33 per share to purchase 5,000 shares of the Issuer's common stock [see footnote 1 above].

F4 · balance_after: As of the date of this filing, the total number of options owned by the Reporting Person includes (a) options to acquire 10,000 shares of the Issuer's common stock at a price $18.87 with Date Exercisable of 12/18/2013 and Expiration Date of 12/18/2022, (b) options to acquire 10,000 shares of common stock at a price of $26.88 per share with Date Exercisable of 12/17/2014 and Expiration Date of 12/17/2023; (c) options to acquire 10,000 shares of common stock at a price of $31.82 with Date Exercisable of 12/11/2015 and Expiration Date of 12/11/2024; and (d) options to acquire 10,000 shares of common stock at a price of $30.44 per share with Date Exercisable of 1/7/2017 and Expiration Date of 1/7/2026.

SEC source: 0001104659-16-163350 · a4.xml · nonDerivative · entry 2

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,000

F2 · shares: On December 21, 2016, the Reporting Person sold the 5,000 shares of the Issuer's common stock which were acquired pursuant to the exercise of stock options on the same day [see footnote 1 above] on the open market at a price of $74.43 per share [see footnote 1 above].

SEC source: 0001104659-16-163350 · a4.xml · nonDerivative · entry 1

Flanders Cynthia · CIK 0001463638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,000

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 December 21, 2016, the Reporting Person purchased 5,000 shares of the Issuer's common stock with an exercise price of $17.33 per share through an cashless exercise of her stock option received on December 20, 2011.

SEC source: 0001104659-16-162817 · a4.xml · nonDerivative · entry 2

Sherras Brian R · CIK 0001545637 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · shares: On December 16, 2016, the Reporting Person sold 10,000 shares of the Issuer's common stock on the open market at a price of $70.33 per share.

SEC source: 0001104659-16-162817 · a4.xml · nonDerivative · entry 1

Sherras Brian R · CIK 0001545637 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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 December 16, 2016, the Reporting Person exercised his stock option received on April 2, 2012 to purchase 10,000 shares of the Issuer's common stock at a price of $16.47 per share.

SEC source: 0001104659-16-153317 · a4.xml · nonDerivative · entry 1

Leimkuhler William F. · CIK 0001361943 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,000

F1 · shares: On October 31, 2016, the Reporting Person sold a total of 5,000 shares of the Issuer's common stock on the open market at an average price of $56.53 per share.

SEC source: 0001104659-16-152948 · a4.xml · nonDerivative · entry 2

Leimkuhler William F. · CIK 0001361943 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

F2 · shares: On October 27, 2016, the Reporting Person sold a total of 4,377 shares of the Issuer's common stock on the open market at an average price of $55.47 per share. As of the date of this report, the Reporting Person directly owns a total of 20,000 shares of the Issuer's common stock.

SEC source: 0001104659-16-152948 · a4.xml · nonDerivative · entry 1

Leimkuhler William F. · CIK 0001361943 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,377

F1 · shares: On October 26, 2016, the Reporting Person sold a total of 623 shares of the Issuer's common stock on the open market at an average price of $55.40 per share.

SEC source: 0001104659-16-150065 · a4.xml · nonDerivative · entry 1

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,000

F1 · shares: On October 12, 2016, the Reporting Person sold 1,935 shares of the Issuer's common stock at a price of $57.7136 per share on the open market.

SEC source: 0001104659-16-149169 · a4.xml · nonDerivative · entry 3

Getsinger Peter W · CIK 0001627519 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By inherited IRA.

Disclosed balance after: 0

F2 · shares: On October 4, 2016, the Reporting Person sold 400 shares of the Issuer's common stock held through the Peter W Getsinger inherited IRA at a price of $58.17 per share on the open market.