Peffer Julie

SEC source: 0001193125-26-096642 · ownership.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · price: On March 4, 2026, in connection with the emergence of Nine Energy Service, Inc. (the "Issuer") from Chapter 11 bankruptcy, all of the Issuer's shares of common stock, par value $0.01 per share, were cancelled for no consideration.

SEC source: 0001628280-25-028208 · wk-form4_1748467931.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 634,153

SEC source: 0001628280-25-028208 · wk-form4_1748467931.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 672,501

SEC source: 0001628280-25-025253 · wk-form4_1747176010.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 684,153

SEC source: 0001628280-25-025253 · wk-form4_1747176010.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 710,077

SEC source: 0000950170-25-068246 · ownership.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,000

F1 · shares: These shares of restricted stock will vest on May 8, 2026 (the first anniversary of the grant date).

SEC source: 0001628280-25-024317 · wk-form4_1746823232.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 730,077

SEC source: 0001628280-25-016658 · wk-form4_1743719343.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 750,077

F2 · shares: Represents shares withheld to satisfy tax withholding obligations in connection with the issuance of shares upon the vesting of RSUs.

SEC source: 0001628280-25-016658 · wk-form4_1743719343.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 770,233

F1 · shares: Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on April 1, 2025 and vest as follows: 25% of the RSUs will vest on April 1, 2026 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on March 31, 2029 (subject to the reporting person's continued employment through each vesting date).

SEC source: 0001628280-25-015937 · wk-form4_1743540273.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 623,380

F1 · shares: Represents shares withheld to satisfy tax withholding obligations in connection with the issuance of shares upon the vesting of RSUs.

SEC source: 0001628280-25-009081 · wk-form4_1740778273.xml · nonDerivative · entry 3

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 626,381

F3 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the issuance of shares upon the vesting of PSUs.

SEC source: 0001628280-25-009081 · wk-form4_1740778273.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 671,790

F2 · kind: On January 27, 2025, the Reporting Person was granted performance stock units ("PSUs") which vested on February 25, 2025.

SEC source: 0001628280-25-009081 · wk-form4_1740778273.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,404

F1 · kind: On April 1, 2024, the Reporting Person was granted performance stock units ("PSUs") which vested on February 25, 2025.

SEC source: 0001628280-25-000085 · wk-form4_1735855288.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 558,845

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-24-041784 · wk-form4_1727823862.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 561,846

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-24-030920 · wk-form4_1719955470.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 566,471

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-24-014396 · wk-form4_1712091747.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 570,187

F1 · shares: Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on April 1, 2024 and vest as follows: 25% of the RSUs will vest on April 1, 2025 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on March 31, 2028 (subject to the reporting person's continued employment through each vesting date).

SEC source: 0001628280-24-030920 · wk-form4_1719955470.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 568,329

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-24-013153 · wk-form4_1711493114.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 365,309

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-24-010030 · wk-form4_1709935137.xml · nonDerivative · entry 3

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 370,272

F3 · kind: Represents shares withheld to satisfy tax withholding obligations in connection with the issuance of shares upon the vesting of PSUs.

SEC source: 0001628280-24-000262 · wk-form4_1704320134.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 226,591

SEC source: 0001628280-24-010030 · wk-form4_1709935137.xml · nonDerivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 418,009

F2 · kind: On November 13, 2023, the Reporting Person was granted performance stock units ("PSUs") which vested on March 5, 2024.

SEC source: 0001628280-23-033709 · wk-form4_1696371229.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,208

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-23-024715 · wk-form4_1689107050.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 227,825

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-23-022238 · wk-form4_1686860559.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,442

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-23-010725 · wf-form4_168064411472604.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230,669

F1 · shares: Represents shares withheld to satisfy tax withholding obligations on vesting of restricted stock units.

SEC source: 0001628280-23-009290 · wf-form4_167995015450232.xml · derivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 237,939

Underlying: Common Stock · 136,724 shares

Expires 2033-03-23

F2 · derivative.exercise_date: The option was granted on March 23, 2023 and vests as follows: 25% of the option will vest on March 23, 2024 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on December 31, 2026 (subject to the reporting person's continued employment through each vesting date).

SEC source: 0001628280-23-009290 · wf-form4_167995015450232.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,333

F1 · shares: Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on March 23, 2023 and vest as follows: 25% of the RSUs will vest on March 23, 2024 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on December 31, 2026 (subject to the reporting person's continued employment through each vesting date).

SEC source: 0001628280-23-009574 · wf-form4a_168003799427830.xml · derivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 203,758

Underlying: Common Stock · 102,543 shares

Expires 2033-03-23

F2 · shares: The original Form 4, filed on March 27, 2023, is being amended by this Form 4 amendment to correct an administrative error, which misreported an acquisition that occurred on March 23, 2023 as comprising (1) 108,696 shares of the issuer's Common Stock (when in fact 81,522 shares of the issuer's Common Stock were acquired) and (2) 136,724 options (when in fact 102,543 shares of the issuer's options were acquired). As a result of this administrative error, the number of shares and options beneficially owned by the reporting person following the corrected transaction reflects (1) a reduction in the number of shares of Common Stock reported as beneficially owned by the reporting person by 27,174 shares and (2) a reduction in the number of options reported as beneficially owned by the reporting person by 34,181 options.

F3 · derivative.exercise_date: The option was granted on March 23, 2023 and vests as follows: 25% of the option will vest on March 23, 2024 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on December 31, 2026 (subject to the reporting person's continued employment through each vesting date).

F2 · derivative.underlying_shares: The original Form 4, filed on March 27, 2023, is being amended by this Form 4 amendment to correct an administrative error, which misreported an acquisition that occurred on March 23, 2023 as comprising (1) 108,696 shares of the issuer's Common Stock (when in fact 81,522 shares of the issuer's Common Stock were acquired) and (2) 136,724 options (when in fact 102,543 shares of the issuer's options were acquired). As a result of this administrative error, the number of shares and options beneficially owned by the reporting person following the corrected transaction reflects (1) a reduction in the number of shares of Common Stock reported as beneficially owned by the reporting person by 27,174 shares and (2) a reduction in the number of options reported as beneficially owned by the reporting person by 34,181 options.

F2 · balance_after: The original Form 4, filed on March 27, 2023, is being amended by this Form 4 amendment to correct an administrative error, which misreported an acquisition that occurred on March 23, 2023 as comprising (1) 108,696 shares of the issuer's Common Stock (when in fact 81,522 shares of the issuer's Common Stock were acquired) and (2) 136,724 options (when in fact 102,543 shares of the issuer's options were acquired). As a result of this administrative error, the number of shares and options beneficially owned by the reporting person following the corrected transaction reflects (1) a reduction in the number of shares of Common Stock reported as beneficially owned by the reporting person by 27,174 shares and (2) a reduction in the number of options reported as beneficially owned by the reporting person by 34,181 options.

SEC source: 0001628280-23-009574 · wf-form4a_168003799427830.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 267,159

F1 · shares: Each restricted stock unit ("RSU") represents a right to receive one share of the issuer's Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on March 23, 2023 and vest as follows: 25% of the RSUs will vest on March 23, 2024 and the remaining 75% will vest in equal quarterly installments on the last day of each calendar quarter thereafter, such that the entire award will be vested on December 31, 2026 (subject to the reporting person's continued employment through each vesting date).

F2 · shares: The original Form 4, filed on March 27, 2023, is being amended by this Form 4 amendment to correct an administrative error, which misreported an acquisition that occurred on March 23, 2023 as comprising (1) 108,696 shares of the issuer's Common Stock (when in fact 81,522 shares of the issuer's Common Stock were acquired) and (2) 136,724 options (when in fact 102,543 shares of the issuer's options were acquired). As a result of this administrative error, the number of shares and options beneficially owned by the reporting person following the corrected transaction reflects (1) a reduction in the number of shares of Common Stock reported as beneficially owned by the reporting person by 27,174 shares and (2) a reduction in the number of options reported as beneficially owned by the reporting person by 34,181 options.

F2 · balance_after: The original Form 4, filed on March 27, 2023, is being amended by this Form 4 amendment to correct an administrative error, which misreported an acquisition that occurred on March 23, 2023 as comprising (1) 108,696 shares of the issuer's Common Stock (when in fact 81,522 shares of the issuer's Common Stock were acquired) and (2) 136,724 options (when in fact 102,543 shares of the issuer's options were acquired). As a result of this administrative error, the number of shares and options beneficially owned by the reporting person following the corrected transaction reflects (1) a reduction in the number of shares of Common Stock reported as beneficially owned by the reporting person by 27,174 shares and (2) a reduction in the number of options reported as beneficially owned by the reporting person by 34,181 options.

SEC source: 0001628280-22-032748 · wf-form4_167245124536553.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,637

F1 · shares: Each restricted stock unit ("RSU") represents a right to receive one share of the BigBear.ai Holdings, Inc.'s Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on December 28, 2022 and will vest on April 1, 2023.

SEC source: 0000899243-22-022192 · doc4.xml · derivative · entry 2

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 101,215

Underlying: Common Stock · 101,215 shares

Expires 2032-06-13

F2 · derivative.exercise_date: The option was granted on June 13, 2022 and vests as follows: 25% of the option will vest on June 13, 2023 and the remaining 75% will vest in equal quarterly installments on each quarterly anniversary of the date of grant thereafter, such that the entire award will be vested on June 13, 2026 (subject to the Reporting Person's continued employment through each vesting date).

SEC source: 0000899243-22-022192 · doc4.xml · derivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,486

Underlying: Common Stock · 40,486 shares

Expires not disclosed

F1 · derivative.exercise_date: Each restricted stock unit ("RSU") represents a right to receive one share of BigBear.ai Holdings, Inc.'s Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on June 13, 2022. 25% of the RSUs will vest on June 13, 2023 and the remaining 75% will vest in equal installments on each quarterly anniversary thereafter, such that the entire award will be vested on June 13, 2026 (subject to the Reporting Person's continued employment through each vesting date).

F1 · derivative.expiration_date: Each restricted stock unit ("RSU") represents a right to receive one share of BigBear.ai Holdings, Inc.'s Common Stock, subject to the Reporting Person's continued service through the vesting date. The reported RSUs were granted on June 13, 2022. 25% of the RSUs will vest on June 13, 2023 and the remaining 75% will vest in equal installments on each quarterly anniversary thereafter, such that the entire award will be vested on June 13, 2026 (subject to the Reporting Person's continued employment through each vesting date).

SEC source: 0001628280-24-010030 · wk-form4_1709935137.xml · nonDerivative · entry 1

Peffer Julie · CIK 0001932370 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 314,418

F1 · kind: On March 23, 2023, the Reporting Person was granted performance stock units ("PSUs") which vested on March 5, 2024.