ASPN

SEC source: 0000950170-25-027197 · ownership.xml · nonDerivative · entry 1

Whitaker Corby C · CIK 0001610273 · SVP, Sales and Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 131,034

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: Represents 111,989 shares of Common Stock and 19,045 RSUs.

SEC source: 0000950170-24-121009 · ownership.xml · nonDerivative · entry 1

SCHILLING KEITH L · CIK 0001628467 · SVP, Technology

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,443

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: Represents 7,972 shares of Common Stock and 20,471 RSUs.

SEC source: 0000950170-24-110608 · ownership.xml · nonDerivative · entry 1

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 483,640

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 Trading Plan previously adopted by the reporting person on June 4, 2024.

F2 · price: These transactions were executed in multiple trades at prices ranging from $30.00 to $30.17. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Represents 436,108 shares of Common Stock and 47,532 Restricted Stock Units.

SEC source: 0000950170-24-106936 · ownership.xml · nonDerivative · entry 1

Daniel Santhosh P · CIK 0001935618 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,934

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: Represents 5,614 shares of Common Stock and 14,320 RSUs.

SEC source: 0000950170-24-104529 · ownership.xml · nonDerivative · entry 1

Pittman Stephanie · CIK 0001991670 · Chief Human Resources Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,453

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: Represents 3,651 shares of Common Stock and 18,802 RSUs.

SEC source: 0000950170-24-101328 · ownership.xml · derivative · entry 6

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 50,679

Underlying: Common Stock · 25,300 shares

Expires 2033-06-01

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.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

F6 · derivative.exercise_date: The options are currently vested with respect to 25,326 shares. The remaining options vest in two installments as follows: 25,327 shares on March 8, 2025 and 25,326 shares on March 8, 2026.

SEC source: 0000950170-24-101328 · ownership.xml · nonDerivative · entry 5

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,790

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

F5 · balance_after: Represents 20,790 Restricted Stock Units.

SEC source: 0000950170-24-101328 · ownership.xml · nonDerivative · entry 4

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 20,890

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

F4 · price: These transactions were executed in multiple trades at prices ranging from $29.68 to $30.59. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-101328 · ownership.xml · nonDerivative · entry 3

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,955

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

F3 · price: These transactions were executed in multiple trades at prices ranging from $30.55 to $30.71. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-101328 · ownership.xml · nonDerivative · entry 2

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 29,057

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

F2 · price: These transactions were executed in multiple trades at prices ranging from $29.55 to $30.50. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-101328 · ownership.xml · nonDerivative · entry 1

RODRIGUEZ RICARDO C. · CIK 0001920996 · CFO & Treasurer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 53,255

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 transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 Trading Plan previously adopted by the reporting person on May 16, 2024.

SEC source: 0000950170-24-098705 · ownership.xml · derivative · entry 1

Wood River Capital, LLC · CIK 0001888978 · 10% owner

Koch, Inc. · CIK 0002027344 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,139,999 shares

Expires 2027-02-18

F1 · security: On August 19, 2024, Wood River Capital, LLC ("Wood River") and Aspen Aerogels, Inc. (the "Issuer") entered into a Note Purchase and Sale Agreement (the "NPA") pursuant to which the Issuer agreed to repurchase all of its outstanding Convertible Senior PIK Toggle Notes due 2027 (the "Notes") from Wood River. The repurchase closed on August 19, 2024.

F2 · derivative.exercise_price: Represents the effective conversion price of $29.936625 per share of the common stock of Issuer, as reported in the Issuer's Current Report on Form 8-K, filed on November 29, 2022.

F3 · shares: Represents the aggregate capitalized principal amount of the Notes, including paid-in-kind interest, capitalized through, but not including, the interest payment date of June 30, 2024.

F4 · derivative.exercise_date: Prior to their repurchase by the Issuer, the Notes were convertible at any time and matured on February 18, 2027.

F4 · derivative.expiration_date: Prior to their repurchase by the Issuer, the Notes were convertible at any time and matured on February 18, 2027.

F5 · derivative.underlying_shares: Represents 4,139,999 shares of the Issuer's common stock issuable upon conversion of the Aggregate Principal Amount based on the effective conversion price of $29.936625 per share.

F6 · ownership.direct: Wood River is beneficially owned by SCC Holdings, LLC ("SCC"), SCC is beneficially owned by KIM, LLC ("KIM"), KIM is beneficially owned by Koch Investments Group, LLC ("KIG"), KIG is beneficially owned by Koch Investments Group Holdings, LLC ("KIGH"), KIGH is beneficially owned by Koch Companies, LLC ("KCLLC"), and KCLLC is beneficially owned by Koch, Inc., in each case by means of ownership of all voting equity instruments. Koch, Inc., KCLLC, KIGH, KIG, KIM and SCC may be deemed to beneficially own the securities beneficially owned by Wood River by virtue of (i) Koch, Inc.'s beneficial ownership of KCLLC, (ii) KCLLC's beneficial ownership of KIGH, (iii) KIGH's beneficial ownership of KIG, (iv) KIG's beneficial ownership of KIM, (v) KIM's beneficial ownership of SCC, and (vi) SCC's beneficial ownership of Wood River.

SEC source: 0000950170-24-097987 · ownership.xml · derivative · entry 2

Robinson Cari · CIK 0002031424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,676

Underlying: Common Stock · 1,676 shares

Expires 2034-08-14

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-097987 · ownership.xml · nonDerivative · entry 1

Robinson Cari · CIK 0002031424 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,876

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-079587 · ownership.xml · derivative · entry 1

Wood River Capital, LLC · CIK 0001888978 · 10% owner

KOCH INDUSTRIES INC · CIK 0000923338 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

Underlying: Common Stock · 187,732 shares

Expires 2027-02-18

F1 · security: On February 15, 2022, Wood River Capital, LLC ("Wood River") entered into a note purchase agreement (the "NPA") with Aspen Aerogels, Inc. (the "Issuer") relating to the issuance and sale of $100,000,000 in aggregate principal amount of the Issuer's Convertible Senior PIK Toggle Notes due 2027, as amended by Amendment No. 1 to Convertible Senior PIK Toggle Notes Due 2027, dated November 28, 2022, by and between the Issuer and Wood River (as amended, the "Notes"). The Notes are convertible into shares of the Issuer's common stock at Wood River's option at any time until the business day prior to the maturity date.

F2 · derivative.exercise_price: Represents the effective conversion price of $29.936625 per share of the Issuer's common stock as reported in the Issuer's Current Report on Form 8-K, filed on November 29, 2022. The conversion price is subject to adjustment upon the occurrence of certain dilutive events such as stock splits and combinations, stock dividends, mergers and spin-offs.

F3 · kind: On June 13, 2024, the Issuer notified Wood River that, in connection with the interest payment on the Notes, the Issuer had elected to have all accrued and unpaid interest on the Notes to, but not including, the interest payment date of June 30, 2024 paid in-kind as an increase to the principal amount, which resulted in Wood River acquiring an additional $5,620,083 aggregate principal amount of the Notes (the "PIK Interest Payment").

F3 · reported_value: On June 13, 2024, the Issuer notified Wood River that, in connection with the interest payment on the Notes, the Issuer had elected to have all accrued and unpaid interest on the Notes to, but not including, the interest payment date of June 30, 2024 paid in-kind as an increase to the principal amount, which resulted in Wood River acquiring an additional $5,620,083 aggregate principal amount of the Notes (the "PIK Interest Payment").

F4 · derivative.underlying_shares: Represents 187,732 shares of the Issuer's common stock issuable to Wood River upon conversion of the principal amount represented by the PIK Interest Payment.

F5 · ownership.direct: Wood River is beneficially owned by SCC Holdings, LLC ("SCC"), SCC is beneficially owned by KIM, LLC ("KIM"), KIM is beneficially owned by Koch Investments Group, LLC ("KIG"), KIG is beneficially owned by Koch Investments Group Holdings, LLC ("KIGH"), and KIGH is beneficially owned by Koch Industries, Inc. ("Koch Industries"), in each case by means of ownership of all voting equity instruments. Koch Industries, SCC, KIM, KIG, and KIGH may be deemed to beneficially own the shares of the Issuer's common stock beneficially owned by Wood River by virtue of (i) Koch Industries' beneficial ownership of KIGH, (ii) KIGH's beneficial ownership of KIG, (iii) KIG's beneficial ownership of KIM, (iv) KIM's beneficial ownership of SCC and (v) SCC's beneficial ownership of Wood River.

SEC source: 0000950170-24-079293 · ownership.xml · nonDerivative · entry 1

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 546,995

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Awards.

F2 · balance_after: Represents 499,463 shares of Common Stock and 47,532 Restricted Stock Units.

SEC source: 0000950170-24-068010 · ownership.xml · nonDerivative · entry 1

Johnson Virginia · CIK 0001929494 · CLO, GC, Secretary & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,132

F1 · shares: Shares withheld by Registrant to satisfy the minimum statutory tax withholding requirements on vesting of Restricted Stock Units ("RSUs").

F2 · balance_after: Represents 6,102 shares of Common Stock and 21,030 RSUs.

SEC source: 0000950170-24-067553 · ownership.xml · derivative · entry 2

Kool Kathleen · CIK 0001934384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067553 · ownership.xml · nonDerivative · entry 1

Kool Kathleen · CIK 0001934384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,583

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067551 · ownership.xml · derivative · entry 2

Blalock Rebecca · CIK 0001677366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067551 · ownership.xml · nonDerivative · entry 1

Blalock Rebecca · CIK 0001677366 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,175

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067549 · ownership.xml · derivative · entry 2

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067549 · ownership.xml · nonDerivative · entry 1

Mitchell Steven R · CIK 0001610279 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,158

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067547 · ownership.xml · derivative · entry 2

SWEETNAM JAMES E · CIK 0001188600 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067547 · ownership.xml · nonDerivative · entry 1

SWEETNAM JAMES E · CIK 0001188600 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,581

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067546 · ownership.xml · derivative · entry 2

Noetzel Mark L · CIK 0001472264 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F2 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067546 · ownership.xml · nonDerivative · entry 1

Noetzel Mark L · CIK 0001472264 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,220

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-067544 · ownership.xml · derivative · entry 4

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,657

Underlying: Common Stock · 1,657 shares

Expires 2034-05-30

F4 · derivative.exercise_date: The reporting person was granted options representing the remaining portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. The options will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual

SEC source: 0000950170-24-067544 · ownership.xml · nonDerivative · entry 3

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 3

Disclosed balance after: 10,000

F3 · balance_after: These shares of Common Stock are held by a Trust for the benefit of another one of the reporting person's children, of which the reporting person is the Trustee.

SEC source: 0000950170-24-067544 · ownership.xml · nonDerivative · entry 2

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote 2

Disclosed balance after: 10,000

F2 · balance_after: These shares of Common Stock are held by a Trust for the benefit of one of the reporting person's children, of which the reporting person is the Trustee.

SEC source: 0000950170-24-067544 · ownership.xml · nonDerivative · entry 1

NOGLOWS WILLIAM P · CIK 0001201094 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,617

F1 · shares: The reporting person was granted restricted shares of common stock representing a portion of the annual grant of equity for service as a non-employee director pursuant to the Issuer's Non-Employee Director Compensation Policy. These restricted shares will vest on the earlier of (a) May 30, 2025, or (b) the day prior to the Issuer's annual meeting of stockholders to be held in 2025.

SEC source: 0000950170-24-066183 · ownership.xml · derivative · entry 11

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 296,771 shares

Expires 2025-12-11

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.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F8 · shares: The reporting person previously disclosed the grant of an aggregate of 454,926 options on December 11, 2015, including 370,181 options subject to performance conditions. Of the performance-based options, 131,578 options were previously forfeited by the reporting person as a result of the applicable performance targets not being achieved. Accordingly, an aggregate of 323,348 options remained exercisable from the December 11, 2015 grant as of the date of this Form 4.

F7 · derivative.exercise_date: This option is fully vested and exercisable.

F8 · derivative.underlying_shares: The reporting person previously disclosed the grant of an aggregate of 454,926 options on December 11, 2015, including 370,181 options subject to performance conditions. Of the performance-based options, 131,578 options were previously forfeited by the reporting person as a result of the applicable performance targets not being achieved. Accordingly, an aggregate of 323,348 options remained exercisable from the December 11, 2015 grant as of the date of this Form 4.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 7

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 622,880

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F2 · shares: The shares of common stock were sold solely to satisfy the reporting person's tax withholding obligations related to the exercise of stock options to purchase 691,124 shares as reported herein.

F5 · price: These transactions were executed in multiple trades at prices ranging from $28.67 to $29.59. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

F6 · balance_after: Represents 418,398 shares of Common Stock and 47,532 Restricted Stock Units and 156,950 shares of Restricted Stock.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 6

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 799,626

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 transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

SEC source: 0000950170-24-066183 · ownership.xml · derivative · entry 10

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 296,771

Underlying: Common Stock · 26,577 shares

Expires 2025-12-11

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.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F8 · shares: The reporting person previously disclosed the grant of an aggregate of 454,926 options on December 11, 2015, including 370,181 options subject to performance conditions. Of the performance-based options, 131,578 options were previously forfeited by the reporting person as a result of the applicable performance targets not being achieved. Accordingly, an aggregate of 323,348 options remained exercisable from the December 11, 2015 grant as of the date of this Form 4.

F7 · derivative.exercise_date: This option is fully vested and exercisable.

F8 · derivative.underlying_shares: The reporting person previously disclosed the grant of an aggregate of 454,926 options on December 11, 2015, including 370,181 options subject to performance conditions. Of the performance-based options, 131,578 options were previously forfeited by the reporting person as a result of the applicable performance targets not being achieved. Accordingly, an aggregate of 323,348 options remained exercisable from the December 11, 2015 grant as of the date of this Form 4.

SEC source: 0000950170-24-066183 · ownership.xml · derivative · entry 9

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 108,105 shares

Expires 2025-03-11

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.

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F7 · derivative.exercise_date: This option is fully vested and exercisable.

SEC source: 0000950170-24-066183 · ownership.xml · derivative · entry 8

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 259,671 shares

Expires 2024-09-10

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 transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F7 · derivative.exercise_date: This option is fully vested and exercisable.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 5

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 502,855

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F2 · shares: The shares of common stock were sold solely to satisfy the reporting person's tax withholding obligations related to the exercise of stock options to purchase 691,124 shares as reported herein.

F4 · price: These transactions were executed in multiple trades at prices ranging from $29.59 to $30.00. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 4

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 529,141

F1 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

F2 · shares: The shares of common stock were sold solely to satisfy the reporting person's tax withholding obligations related to the exercise of stock options to purchase 691,124 shares as reported herein.

F3 · price: These transactions were executed in multiple trades at prices ranging from $28.59 to $29.58. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 3

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 759,799

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 transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 2

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 733,222

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 transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

SEC source: 0000950170-24-066183 · ownership.xml · nonDerivative · entry 1

Young Donald R · CIK 0001610257 · Director · President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 625,117

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 transactions reported on this Form 4 were effected pursuant to a Rule 10B5-1 trading plan previously adopted by the reporting person on February 26, 2024.

SEC source: 0000950170-24-063943 · ownership.xml · derivative · entry 3

Kool Kathleen · CIK 0001934384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 4,470 shares

Expires 2032-11-01

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 · derivative.exercise_date: This option is fully vested and exercisable.

SEC source: 0000950170-24-063943 · ownership.xml · nonDerivative · entry 2

Kool Kathleen · CIK 0001934384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,685

F1 · price: These transactions were executed in multiple trades at a weighted average price within the range of $27.30. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold in each transaction.

F2 · balance_after: Includes 7,488 shares of restricted stock.

SEC source: 0000950170-24-063943 · ownership.xml · nonDerivative · entry 1

Kool Kathleen · CIK 0001934384 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,155

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: 0000950170-24-060642 · ownership.xml · nonDerivative · entry 1

Wood River Capital, LLC · CIK 0001888978 · 10% owner

KOCH INDUSTRIES INC · CIK 0000923338 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,280,426

F1 · price: The sale was executed in a single block trade at $23.50 per share.

F2 · ownership.direct: Wood River is beneficially owned by SCC Holdings, LLC ("SCC"), SCC is beneficially owned by KIM, LLC ("KIM"), KIM is beneficially owned by Koch Investments Group, LLC ("KIG"), KIG is beneficially owned by Koch Investments Group Holdings, LLC ("KIGH"), and KIGH is beneficially owned by Koch Industries, Inc. ("Koch Industries"), in each case by means of ownership of all voting equity instruments. Koch Industries, SCC, KIM, KIG, and KIGH may be deemed to beneficially own the shares of the Issuer's common stock beneficially owned by Wood River by virtue of (i) Koch Industries' beneficial ownership of KIGH, (ii) KIGH's beneficial ownership of KIG, (iii) KIG's beneficial ownership of KIM, (iv) KIM's beneficial ownership of SCC and (v) SCC's beneficial ownership of Wood River.

SEC source: 0000950170-24-059310 · ownership.xml · derivative · entry 4

SCHILLING KEITH L · CIK 0001628467 · SVP, Technology

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 55,979

Underlying: Common Stock · 20,000 shares

Expires 2033-06-01

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.

F4 · derivative.exercise_date: The options are currently vested with respect to 25,326 shares. The remaining options vest in two installments as follows: 25,327 shares on March 8, 2025 and 25,326 shares on March 8, 2026.

SEC source: 0000950170-24-059310 · ownership.xml · nonDerivative · entry 3

SCHILLING KEITH L · CIK 0001628467 · SVP, Technology

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,792

F2 · price: These transactions were executed in multiple trades at prices ranging from $27.38 to $27.45. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

F3 · balance_after: Represents 7,133 shares of Common Stock and 21,659 Restricted Stock Units.

SEC source: 0000950170-24-059310 · ownership.xml · nonDerivative · entry 2

SCHILLING KEITH L · CIK 0001628467 · SVP, Technology

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,292

F1 · price: These transactions were executed in multiple trades at prices ranging from $26.38 to $27.36. The reporting person will provide to the staff of the Securities and Exchange Commission, the issuer, or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price.

SEC source: 0000950170-24-059310 · ownership.xml · nonDerivative · entry 1

SCHILLING KEITH L · CIK 0001628467 · SVP, Technology

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,792

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.