VHC

SEC source: 0001404851-26-000005 · form4-10022026_041001.xml · nonDerivative · entry 1

Angelo Michael F · CIK 0001404851 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 28,209

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 20, 2026.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.00 to $10.56 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000004 · form4-09152026_120916.xml · nonDerivative · entry 3

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 339,633

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F4 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.71 to $11.60 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000004 · form4-09152026_120916.xml · nonDerivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 344,058

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F3 · price: This sale price represents the weighted average sale price of the shares sold ranging from $11.16 to $11.62 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000004 · form4-09152026_120916.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 352,058

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $11.06 to $11.99 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000002 · form4-09022026_110902.xml · nonDerivative · entry 4

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,058

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F5 · price: This sale price represents the weighted average sale price of the shares sold ranging from $12.12 to $12.15 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000002 · form4-09022026_110902.xml · nonDerivative · entry 3

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 360,576

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F4 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.96 to $11.89 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000002 · form4-09022026_110902.xml · nonDerivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 364,633

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F3 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.63 to $11.545 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001608933-26-000004 · form4-09022026_040907.xml · nonDerivative · entry 3

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 16,874

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F3 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.63 to $11.545 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001404771-26-000002 · form4-09022026_110902.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 369,633

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $11.00 to $11.63 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001608933-26-000004 · form4-09022026_040907.xml · nonDerivative · entry 2

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,624

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

SEC source: 0001608933-26-000004 · form4-09022026_040907.xml · nonDerivative · entry 1

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,625

F1 · kind: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan adopted on May 29, 2026.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $11.00 to $11.615 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001882685-26-000002 · form4-07132026_040701.xml · nonDerivative · entry 1

Allanson Katherine · CIK 0001882685 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,205

F1 · shares: These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock awards and do not represent a sale by the Reporting Person.

SEC source: 0001241556-26-000005 · form4-06252026_040601.xml · nonDerivative · entry 1

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,457

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2027 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001404851-26-000002 · form4-06152026_110600.xml · nonDerivative · entry 1

Angelo Michael F · CIK 0001404851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,209

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2027 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001806477-26-000002 · form4-06152026_110608.xml · nonDerivative · entry 1

Chow Heidy Kingwan · CIK 0001806477 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,500

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2027 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001608933-26-000002 · form4-06152026_110611.xml · nonDerivative · entry 1

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,374

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2027 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001241556-25-000004 · form4-12032025_111218.xml · derivative · entry 2

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 625 shares

Expires 2033-06-15

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: The shares subject to the option were fully vested and exercisable, and reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001241556-25-000004 · form4-12032025_111218.xml · nonDerivative · entry 1

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,957

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: 0001608933-25-000004 · form4-11272025_121120.xml · nonDerivative · entry 1

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,874

SEC source: 0001404851-25-000004 · form4-11262025_041120.xml · nonDerivative · entry 1

Angelo Michael F · CIK 0001404851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 21,709

SEC source: 0001882685-25-000004 · form4-11262025_041124.xml · derivative · entry 1

Allanson Katherine · CIK 0001882685 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2035-11-24

F1 · derivative.exercise_date: 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on each annual anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Amended and Restated 2013 Equity Incentive Plan (the "Plan")) has not terminated prior to each such date. If a Change in Control (as defined in the Plan) occurs, all of the Shares underlying this Option then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001404771-25-000005 · form4-11262025_041122.xml · derivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By Spouse

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2035-11-24

F1 · derivative.exercise_date: 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on each annual anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Amended and Restated 2013 Equity Incentive Plan (the "Plan")) has not terminated prior to each such date. If a Change in Control (as defined in the Plan) occurs, all of the Shares underlying this Option then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001404771-25-000005 · form4-11262025_041122.xml · derivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2035-11-24

F1 · derivative.exercise_date: 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Shares subject to the Option shall vest and become exercisable on each annual anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Amended and Restated 2013 Equity Incentive Plan (the "Plan")) has not terminated prior to each such date. If a Change in Control (as defined in the Plan) occurs, all of the Shares underlying this Option then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-25-019669 · form4-07112025_040703.xml · nonDerivative · entry 1

Allanson Katherine · CIK 0001882685 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,305

F1 · shares: These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock awards and do not represent a sale by the Reporting Person.

SEC source: 0001415889-25-019668 · form4-07112025_040702.xml · nonDerivative · entry 1

Short Robert D III · CIK 0001495444 · Chief Scientist

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,848

F1 · shares: These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock awards and do not represent a sale by the Reporting Person.

SEC source: 0001415889-25-018247 · form4-06252025_080609.xml · nonDerivative · entry 1

Short Robert D III · CIK 0001495444 · Chief Scientist

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,898

F1 · shares: These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock units and do not represent a sale by the Reporting Person.

SEC source: 0001415889-25-017376 · form4-06162025_040619.xml · nonDerivative · entry 1

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,749

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2026 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-25-017378 · form4-06162025_040623.xml · nonDerivative · entry 1

Chow Heidy Kingwan · CIK 0001806477 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2026 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-25-017375 · form4-06162025_040617.xml · nonDerivative · entry 1

Angelo Michael F · CIK 0001404851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,334

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2026 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-25-017377 · form4-06162025_040620.xml · nonDerivative · entry 1

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,332

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2026 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-24-026847 · form4-11142024_041104.xml · nonDerivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 374,633

F1 · shares: 1/4 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Restricted Stock shall vest and become exercisable on each yearly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-24-026850 · form4-11142024_041109.xml · nonDerivative · entry 1

Allanson Katherine · CIK 0001882685 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,407

F1 · shares: 1/4 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Restricted Stock shall vest and become exercisable on each yearly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

F2 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001415889-24-026849 · form4-11142024_041107.xml · nonDerivative · entry 1

Short Robert D III · CIK 0001495444 · Chief Scientist

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,906

F1 · shares: 1/4 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Restricted Stock shall vest and become exercisable on each yearly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

F2 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

F3 · balance_after: Reflects the issuance of vested Restricted Stock Units directly to The Short Revocable Living Trust.

SEC source: 0001415889-24-026847 · form4-11142024_041104.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 74,649

F1 · shares: 1/4 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and 1/4 of the total number of Restricted Stock shall vest and become exercisable on each yearly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-24-017417 · form4-06182024_040612.xml · nonDerivative · entry 1

Angelo Michael F · CIK 0001404851 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,834

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2025 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

F2 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001415889-24-017418 · form4-06182024_040614.xml · nonDerivative · entry 1

Feiner Gary · CIK 0001608933 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,249

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2025 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

F2 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001415889-24-017416 · form4-06182024_040610.xml · nonDerivative · entry 1

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,832

F1 · shares: The total number of restricted shares ("Restricted Stock") shall vest on the earlier of (i) the one-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2025 annual meeting of stockholders, in each case, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

F2 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001415889-24-017406 · form4-06182024_040601.xml · nonDerivative · entry 1

Chow Heidy Kingwan · CIK 0001806477 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,500

F1 · shares: 1/3 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and the remaining shares of Restricted Stock shall vest on the yearly anniversary thereafter, such that all such shares shall be fully vested on the earlier of (i) the three-year anniversary of the grant date or (ii) the close of business on the day prior to the Company's 2027 annual meeting of stockholders, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001415889-24-014811 · form4-05292024_110514.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 44,649

SEC source: 0001415889-24-014400 · form4-05232024_110540.xml · nonDerivative · entry 3

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 43,649

SEC source: 0001415889-24-014400 · form4-05232024_110540.xml · nonDerivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 41,774

SEC source: 0001415889-24-014400 · form4-05232024_110540.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 41,772

F1 · balance_after: The number of shares beneficially owned reflects the Issuer's 1-for-20 reverse stock split effected October 25, 2023.

SEC source: 0001415889-24-011539 · form4-04252024_090444.xml · nonDerivative · entry 1

MCBRIDE DARL C · CIK 0001179974 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,834

F1 · shares: These shares were withheld by the Issuer to satisfy income tax and withholding and remittance obligations in connection with previously reported restricted stock awards and do not represent a sale by the Reporting Person.

SEC source: 0001209191-24-000325 · doc4.xml · nonDerivative · entry 1

MCBRIDE DARL C · CIK 0001179974 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,969

F1 · shares: 1/2 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-year anniversary of the grant date, and the remaining shares of Restricted Stock shall vest on the one year anniversary thereafter, so long as the Reporting Person's continuous status as a Service Provider (as defined in the Company's 2013 Equity Incentive Plan) has not terminated prior to such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001209191-23-041841 · doc4.xml · nonDerivative · entry 1

Short Robert D III · CIK 0001495444 · Director · Chief Scientist

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 61,486

F1 · shares: 1/48 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-month anniversary of the grant date, and 1/48 of the total number of Restricted Stock shall vest and become exercisable on each monthly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001209191-23-041840 · doc4.xml · nonDerivative · entry 2

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · By: Spouse

Disclosed balance after: 830,283

F1 · shares: 1/48 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-month anniversary of the grant date, and 1/48 of the total number of Restricted Stock shall vest and become exercisable on each monthly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001209191-23-041840 · doc4.xml · nonDerivative · entry 1

Larsen Kendall · CIK 0001404771 · Director · President & CEO · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,492,679

F1 · shares: 1/48 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-month anniversary of the grant date, and 1/48 of the total number of Restricted Stock shall vest and become exercisable on each monthly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001209191-23-041839 · doc4.xml · nonDerivative · entry 1

Allanson Katherine · CIK 0001882685 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,150

F1 · shares: 1/48 of the total number of restricted shares ("Restricted Stock") shall vest and become exercisable on the one-month anniversary of the grant date, and 1/48 of the total number of Restricted Stock shall vest and become exercisable on each monthly anniversary thereafter, so long as the individual's continuous status as a Service Provider (as defined in the Company's Amended and Restated 2013 Equity Incentive Plan) has not terminated prior to each such date. If a Change in Control occurs, all of the Restricted Stock then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.

SEC source: 0001209191-23-038589 · doc4.xml · derivative · entry 2

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 12,500 shares

Expires 2033-06-15

F2 · derivative.exercise_date: All shares underlying this option shall vest and become exercisable upon the earlier of (a) one year from the date of grant or (b) the close of business on the day prior to the Company's 2024 annual meeting of stockholders, in either case, so long as the Participant (as defined in the Plan) has not earlier terminated his continuous status as a Service Provider (as defined in the Plan). If a Change in Control (as defined in the Plan) occurs, all shares underlying this option then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control. This option will be exercisable for twelve (12) months after the Participant ceases to be a Service Provider, unless such termination is due to the Participant's death, Disability (as defined in the Plan), or Cause (as defined in the Plan), in which case the option shall vest in accordance with the terms of the Participant's option agreement.

SEC source: 0001209191-23-038589 · doc4.xml · nonDerivative · entry 1

O'BRIEN THOMAS M · CIK 0001241556 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 246,660

F1 · shares: The restricted stock units shall vest and become exercisable upon the earlier of (a) one year from the date of grant or (b) the close of business on the day prior to the Company's 2024 annual meeting of stockholders, in either case, so long as the Participant (as defined in the Company's 2013 Equity Incentive Plan (the "Plan")) has not earlier terminated his continuous status as a Service Provider (as defined in the Plan). If a Change in Control (as defined in the Plan) occurs, all of the restricted stock units then unvested as of the date of the Change in Control, will vest and become exercisable immediately prior to the consummation of the Change in Control transaction.