De Paolantonio Ernest Robert

SEC source: 0001104659-22-106787 · tm2227683-1_4seq1.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,907

F1 · shares: In connection with the vesting of 40,000 shares on October 1, 2022, a total of 10,093 of such shares were sold by the Issuer in order to satisfy the Reporting Person's tax withholding obligations. The Reporting Person had no discretion with respect to such sale, which was conducted automatically in accordance with the Issuer's corporate policies regarding the vesting of restricted stock.

F2 · price: Reflects the weighted average sale price of multiple same-way open market sale transactions effected by the Reporting Person on the same day at different prices through a sale order executed by a broker-dealer. The Reporting Person reported on a single line all such transactions that occurred within a one-dollar price range. The range of prices for the sale transactions on October 4, 2022, was $2.38 to $2.43. The Reporting Person hereby undertakes to provide upon request by the Securities Exchange Commission staff, the Issuer, or a shareholder of the Issuer, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Includes restricted stock units, which vest over various time periods.

SEC source: 0001104659-23-027555 · tm237728-1_4aseq1.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 259,907

F1 · shares: In connection with the vesting of 40,000 shares on October 1, 2022, a total of 10,093 of such shares were sold by the Issuer in order to satisfy the Reporting Person's tax withholding obligations. The Reporting Person had no discretion with respect to such sale, which was conducted automatically in accordance with the Issuer's corporate policies regarding the vesting of restricted stock.

F3 · price: Reflects the weighted average sale price of multiple same-way open market sale transactions effected by the Reporting Person on the same day at different prices through a sale order executed by a broker-dealer. The Reporting Person reported on a single line all such transactions that occurred within a one-dollar price range. The range of prices for the sale transactions on October 4, 2022, was $2.38 to $2.43. The Reporting Person hereby undertakes to provide upon request by the Securities Exchange Commission staff, the Issuer, or a shareholder of the Issuer, full information regarding the number of shares sold at each separate price.

F2 · acquired: Due to a clerical error, the original Form 4 filed on October 6, 2022 reflected an acquisition of 10,029 shares in lieu of a disposition of 10,029 shares. The amount of securities beneficially owned following the reported transaction reported in the previously filed Form 4 is correct.

F4 · balance_after: Includes restricted stock units, which vest over various time periods.

SEC source: 0001104659-22-082285 · tm2221508-1_4seq1.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,000

F1 · shares: On July 21, 2022, the reporting person was granted 150,000 restricted stock units pursuant to the Issuer's 2015 Stock Plan. One-fourth of the shares will vest on each of July 21, 2023, 2024, 2025 and 2026, subject to the reporting person's continuous service with the Issuer.

F2 · balance_after: Includes restricted stock units, 150,000 of which will vest over various time periods as set forth in footnote 1, and 120,000 of which will vest in three increments as follows: (1) 40,000 units on October 1, 2022, (2) 40,000 units on October 1, 2023, and (3) 40,000 units on October 1, 2024.

SEC source: 0001104659-22-042272 · tm2211324-7_4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,000

F1 · shares: The 120,000 restricted stock units relating to this grant will vest in three increments as follows: (1) 40,000 units on October 1, 2022, (2) 40,000 units on October 1, 2023, and (3) 40,000 units on October 1, 2024.

F2 · balance_after: Includes restricted stock units, which vest over various time periods as set forth in footnote 1.

SEC source: 0001104659-21-051156 · tm2113137-2_4seq1.xml · derivative · entry 2

De Paolantonio Ernest Robert · CIK 0001588538 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 195,000

Underlying: Common Stock · 195,000 shares

Expires 2031-04-15

F3 · derivative.exercise_price: Each restricted stock unit represents the right to receive one share of the Issuer's common stock.

F2 · price: These securities were issued as an inducement to the Reporting Person to enter into employment with the Registrant.

F4 · derivative.exercise_date: One-fourth of the shares underlying the derivative securities shall vest ratably on an annual basis beginning on April 15, 2022 contingent upon the Reporting Person's employment with the Registrant.

SEC source: 0001104659-21-051156 · tm2113137-2_4seq1.xml · derivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,000

Underlying: Common Stock · 240,000 shares

Expires 2031-04-15

F2 · price: These securities were issued as an inducement to the Reporting Person to enter into employment with the Registrant.

F1 · derivative.exercise_date: The shares underlying the derivative securities shall vest on the third anniversary of the date of grant contingent upon (a) the Reporting Person's continued employment with the Registrant and (b) subject to achieving certain performance criteria.

SEC source: 0000899243-18-030296 · doc4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,548

F1 · security: The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in these footnotes.

F2 · price: On November 4, 2018, the Reporting Person sold an aggregate of 16,161 shares of the Issuer's Common Stock at a weighted average price of $3.79 per share. The highest sale price for the Common Stock was $3.84 per share and the lowest sale price was $3.76 per share.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 7

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,709

F6 · kind: The shares of common stock were sold by the Reporting Person upon expiration of a pre-planned 10b5-1 trading plan and were sold to cover the Reporting Person's additional tax liability upon the vesting of the Reporting Person's RSUs.

F8 · price: On April 6, 2018, the Reporting Person sold an aggregate of 33,255 shares of the Issuer's Common Stock at a weighted average price of $2.06 per share. The highest sale price for the Common Stock was $2.15 per share and the lowest sale price was $2.00 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 6

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 189,864

F6 · kind: The shares of common stock were sold by the Reporting Person upon expiration of a pre-planned 10b5-1 trading plan and were sold to cover the Reporting Person's additional tax liability upon the vesting of the Reporting Person's RSUs.

F7 · price: On April 5, 2018, the Reporting Person sold an aggregate of 30,900 shares of the Issuer's Common Stock at a weighted average price of $2.12 per share. The highest sale price for the Common Stock was $2.15 per share and the lowest sale price was $2.08 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-18-009681 · doc4.xml · derivative · entry 12

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,075 shares

Expires 2020-02-06

F5 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the performance-based RSUs ("Performance RSUs") granted to the Reporting Person on February 6, 2017 under the EIP subject to certain performance measures. The remainder of the Performance RSUs under this grant will vest, in equal amounts, but subject to certain performance measures, after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

F5 · derivative.exercise_date: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the performance-based RSUs ("Performance RSUs") granted to the Reporting Person on February 6, 2017 under the EIP subject to certain performance measures. The remainder of the Performance RSUs under this grant will vest, in equal amounts, but subject to certain performance measures, after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

SEC source: 0000899243-18-009681 · doc4.xml · derivative · entry 11

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 63,333

Underlying: Common Stock · 31,667 shares

Expires 2020-02-06

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.

F4 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 6, 2017 under the EIP. The remainder of the RSUs under this grant will vest in equal portions after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

F4 · derivative.exercise_date: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 6, 2017 under the EIP. The remainder of the RSUs under this grant will vest in equal portions after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

SEC source: 0000899243-18-009681 · doc4.xml · derivative · entry 10

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2019-03-01

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs that were granted to the Reporting Person on February 29, 2016, pursuant to a grant under the EIP. The remainder of the RSUs under this grant will vest on March 1, 2019.

F3 · derivative.exercise_date: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs that were granted to the Reporting Person on February 29, 2016, pursuant to a grant under the EIP. The remainder of the RSUs under this grant will vest on March 1, 2019.

SEC source: 0000899243-18-009681 · doc4.xml · derivative · entry 9

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 34,391 shares

Expires 2018-04-03

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended (the "EIP"). Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock.

F2 · derivative.exercise_date: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended (the "EIP"). Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock.

SEC source: 0000899243-18-009681 · doc4.xml · derivative · entry 8

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,267 shares

Expires 2018-04-03

F1 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long-Term Incentive Plan.

F1 · derivative.exercise_date: The shares of common stock were acquired by the Reporting Person as a result of the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long-Term Incentive Plan.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 5

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 220,864

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the performance-based RSUs ("Performance RSUs") granted to the Reporting Person on February 6, 2017 under the EIP subject to certain performance measures. The remainder of the Performance RSUs under this grant will vest, in equal amounts, but subject to certain performance measures, after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

F5 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the performance-based RSUs ("Performance RSUs") granted to the Reporting Person on February 6, 2017 under the EIP subject to certain performance measures. The remainder of the Performance RSUs under this grant will vest, in equal amounts, but subject to certain performance measures, after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 4

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,789

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.

F4 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 6, 2017 under the EIP. The remainder of the RSUs under this grant will vest in equal portions after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

F4 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 6, 2017 under the EIP. The remainder of the RSUs under this grant will vest in equal portions after the first open window upon the filing of the Company's Annual Report in March 2019 and March 2020.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 3

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 162,122

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs that were granted to the Reporting Person on February 29, 2016, pursuant to a grant under the EIP. The remainder of the RSUs under this grant will vest on March 1, 2019.

F3 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs that were granted to the Reporting Person on February 29, 2016, pursuant to a grant under the EIP. The remainder of the RSUs under this grant will vest on March 1, 2019.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 2

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,122

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended (the "EIP"). Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock.

F2 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended (the "EIP"). Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock.

SEC source: 0000899243-18-009681 · doc4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,731

F1 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long-Term Incentive Plan.

SEC source: 0000899243-18-005382 · doc4.xml · derivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,000

Underlying: Common Stock · 70,000 shares

Expires 2021-03-19

F1 · kind: The RSUs were issued to the Reporting Person on February 18, 2018, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended. The award is subject to time-based vesting and will vest as follows: (i) one-third vests on the first open trading window of 2019; (ii) one-third vests on the date of the first open trading window of 2020; and (iii) the remaining third vests on the first open trading window of 2021. Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock. The Reporting Person has been granted the right to elect to defer actual payment of a vested RSU award, subject to compliance with Internal Revenue Code Section 409A.

F1 · derivative.exercise_date: The RSUs were issued to the Reporting Person on February 18, 2018, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended. The award is subject to time-based vesting and will vest as follows: (i) one-third vests on the first open trading window of 2019; (ii) one-third vests on the date of the first open trading window of 2020; and (iii) the remaining third vests on the first open trading window of 2021. Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock. The Reporting Person has been granted the right to elect to defer actual payment of a vested RSU award, subject to compliance with Internal Revenue Code Section 409A.

SEC source: 0000899243-17-008548 · doc4.xml · nonDerivative · entry 2

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,464

F2 · kind: The shares of common stock were sold under a pre-planned 10b5-1 trading plan and were sold to cover the Reporting Person's tax liability upon the vesting of RSUs.

SEC source: 0000899243-17-008548 · doc4.xml · derivative · entry 3

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 469 shares

Expires 2017-03-22

F1 · kind: The shares of common stock reported on this Form 4 were acquired by the Reporting Person in connection with the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long Term Incentive Plan.

SEC source: 0000899243-17-008548 · doc4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,634

F1 · price: The shares of common stock reported on this Form 4 were acquired by the Reporting Person in connection with the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long Term Incentive Plan.

SEC source: 0000899243-17-006495 · doc4.xml · derivative · entry 9

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 60,000

Underlying: Common Stock · 30,000 shares

Expires 2019-03-01

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.

F6 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 29, 2016 under the Plan. The remainder of the RSUs under this grant will vest in equal installments on March 1, 2018 and March 1, 2019.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 6

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,165

F2 · kind: The shares of common stock were sold upon expiration of a pre-planned 10b5-1 trading plan, and were sold to cover the Reporting Person's additional tax liability upon the vesting of the RSUs.

F7 · price: On March 1, 2017, the Reporting Person sold an aggregate of 2,650 shares of the Issuer's Common Stock at a weighted average price of $2.03 per share. The highest sale price for the Common Stock was $2.05 per share and the lowest sale price was $2.00 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 5

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,815

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.

F6 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 29, 2016 under the Plan. The remainder of the RSUs under this grant will vest in equal installments on March 1, 2018 and March 1, 2019.

F6 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 29, 2016 under the Plan. The remainder of the RSUs under this grant will vest in equal installments on March 1, 2018 and March 1, 2019.

SEC source: 0000899243-17-006495 · doc4.xml · derivative · entry 8

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,391

Underlying: Common Stock · 34,392 shares

Expires 2018-02-23

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.

F4 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. The remainder of the RSUs under this grant will vest on February 23, 2018.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 4

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,815

F2 · kind: The shares of common stock were sold upon expiration of a pre-planned 10b5-1 trading plan, and were sold to cover the Reporting Person's additional tax liability upon the vesting of the RSUs.

F5 · price: On February 23, 2017, the Reporting Person sold an aggregate of 13,800 shares of the Issuer's Common Stock at a weighted average price of $1.95 per share. The highest sale price for the Common Stock was $2.10 per share and the lowest sale price was $1.90 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 3

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,615

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.

F4 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. The remainder of the RSUs under this grant will vest on February 23, 2018.

F4 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. The remainder of the RSUs under this grant will vest on February 23, 2018.

SEC source: 0000899243-17-006495 · doc4.xml · derivative · entry 7

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 8,532 shares

Expires 2017-02-22

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 · kind: The shares of common stock were sold upon expiration of a pre-planned 10b5-1 trading plan, and were sold to cover the Reporting Person's additional tax liability upon the vesting of the RSUs.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 2

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,233

F2 · kind: The shares of common stock were sold upon expiration of a pre-planned 10b5-1 trading plan, and were sold to cover the Reporting Person's additional tax liability upon the vesting of the RSUs.

F3 · price: On February 22, 2017, the Reporting Person sold an aggregate of 3,300 shares of the Issuer's Common Stock at a weighted average price of $2.01 per share. The highest sale price for the Common Stock was $2.01 per share and the lowest sale price was $1.98 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-17-006495 · doc4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,523

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of the remaining Restricted Stock Units ("RSUs") that had been granted to the Reporting Person on February 22, 2014 under the Issuer's 2011 Equity Incentive Plan, as amended (the "Plan").

F1 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of the remaining Restricted Stock Units ("RSUs") that had been granted to the Reporting Person on February 22, 2014 under the Issuer's 2011 Equity Incentive Plan, as amended (the "Plan").

SEC source: 0000899243-17-003156 · doc4.xml · derivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,000

Underlying: Common Stock · 95,000 shares

Expires 2020-03-18

F1 · kind: The RSUs were issued to the Reporting Person on February 6, 2017, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended. The award is subject to time-based vesting and will vest as follows: (i) one-third vests on the later to occur of March 1, 2018 or the first open trading window of 2018; (ii) one-third vests on the date of the first open trading window of 2019; and (iii) the remaining third vests on the first open trading window of 2020. Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock. The Reporting Person has been granted the right to elect to defer actual payment of a vested RSU award, subject to compliance with Internal Revenue Code Section 409A. The issuance of these RSUs is subject to shareholder approval at the 2017 Annual Meeting of Stockholders.

F1 · derivative.exercise_date: The RSUs were issued to the Reporting Person on February 6, 2017, pursuant to a grant under the Issuer's 2011 Equity Incentive Plan, as amended. The award is subject to time-based vesting and will vest as follows: (i) one-third vests on the later to occur of March 1, 2018 or the first open trading window of 2018; (ii) one-third vests on the date of the first open trading window of 2019; and (iii) the remaining third vests on the first open trading window of 2020. Upon vesting, each RSU entitles the Reporting Person to one share of the Issuer's common stock. The Reporting Person has been granted the right to elect to defer actual payment of a vested RSU award, subject to compliance with Internal Revenue Code Section 409A. The issuance of these RSUs is subject to shareholder approval at the 2017 Annual Meeting of Stockholders.

SEC source: 0000899243-16-029948 · doc4.xml · nonDerivative · entry 4

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,991

F4 · kind: The shares of common stock were sold under a pre-planned 10b5-1 trading plan, and were sold to cover the Reporting Person's tax liability upon the vesting of RSUs.

F5 · price: On September 22, 2016, the Reporting Person sold an aggregate of 14,800 shares of the Issuer's Common Stock at a weighted average price of $2.44 per share. The highest sale price for the Common Stock was $2.47 per share and the lowest sale price was $2.41 per share. The Reporting Person undertakes to provide the Company, any security holder of the Company or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-16-029948 · doc4.xml · derivative · entry 6

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 68,783

Underlying: Common Stock · 34,392 shares

Expires 2018-02-23

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.

F3 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. Pursuant to a deferral, these RSUs vested on September 21, 2016. The remainder of the RSUs under this grant will vest in equal portions on each of (i) February 23, 2017 and (ii) February 23, 2018.

SEC source: 0000899243-16-029948 · doc4.xml · derivative · entry 5

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,532

Underlying: Common Stock · 8,533 shares

Expires 2017-02-22

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-half of the RSUs granted to the Reporting Person on February 22, 2014 under the Issuer's 2011 Equity Incentive Plan, as amended (the "Plan"). Pursuant to a deferral, these RSUs vested on September 21, 2016. The remaining half of the RSUs under this grant will vest on February 22, 2017.

SEC source: 0000899243-16-029948 · doc4.xml · nonDerivative · entry 3

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,791

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. Pursuant to a deferral, these RSUs vested on September 21, 2016. The remainder of the RSUs under this grant will vest in equal portions on each of (i) February 23, 2017 and (ii) February 23, 2018.

F3 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-third of the RSUs granted to the Reporting Person on February 23, 2015 under the Plan. Pursuant to a deferral, these RSUs vested on September 21, 2016. The remainder of the RSUs under this grant will vest in equal portions on each of (i) February 23, 2017 and (ii) February 23, 2018.

SEC source: 0000899243-16-029948 · doc4.xml · nonDerivative · entry 2

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,399

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 · kind: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-half of the RSUs granted to the Reporting Person on February 22, 2014 under the Issuer's 2011 Equity Incentive Plan, as amended (the "Plan"). Pursuant to a deferral, these RSUs vested on September 21, 2016. The remaining half of the RSUs under this grant will vest on February 22, 2017.

F2 · price: The shares of common stock were acquired by the Reporting Person as a result of the vesting of one-half of the RSUs granted to the Reporting Person on February 22, 2014 under the Issuer's 2011 Equity Incentive Plan, as amended (the "Plan"). Pursuant to a deferral, these RSUs vested on September 21, 2016. The remaining half of the RSUs under this grant will vest on February 22, 2017.

SEC source: 0000899243-16-029948 · doc4.xml · nonDerivative · entry 1

De Paolantonio Ernest Robert · CIK 0001588538 · CFO, Secretary and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,866

F1 · price: The shares of common stock reported on this Form 4 were acquired by the Reporting Person in connection with the vesting of Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's Long Term Incentive Plan. Pursuant to a deferral, these RSUs vested on September 21, 2016.