NINE

SEC source: 0001193125-26-280002 · ownership.xml · nonDerivative · entry 1

Law Adam R. · CIK 0001700296 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 92,222

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-236853 · ownership.xml · nonDerivative · entry 1

Schmidt Heather · CIK 0002131462 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 72,222

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-232867 · ownership.xml · nonDerivative · entry 1

Esslemont Alexander · CIK 0001807815 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,778

F1 · shares: Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

SEC source: 0001193125-26-232882 · ownership.xml · nonDerivative · entry 1

Willis Darryl Keith · CIK 0001748639 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,778

F1 · shares: Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

SEC source: 0001193125-26-232907 · ownership.xml · nonDerivative · entry 1

Luz S. Brett · CIK 0001715489 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,889

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-232908 · ownership.xml · nonDerivative · entry 1

Hall Jerome D JR · CIK 0001617666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,778

F1 · shares: Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

SEC source: 0001193125-26-232895 · ownership.xml · nonDerivative · entry 1

Schmidt Heather · CIK 0002131462 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 38,889

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-232894 · ownership.xml · nonDerivative · entry 1

Hawks Carney · CIK 0001840842 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,667

F1 · shares: Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

SEC source: 0001193125-26-232879 · ownership.xml · nonDerivative · entry 1

Fox Ann G · CIK 0001727661 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 331,111

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-232876 · ownership.xml · nonDerivative · entry 1

BARTELS PATRICK J JR · CIK 0001581475 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,778

F1 · shares: Represents time-based restricted stock units that will vest on June 30, 2027, subject to the Reporting Person's continued service through the applicable vesting date; provided, however, that in the event the Reporting Person is up for re-election at the Issuer's next annual meeting of stockholders and is not elected to continue serving as a member of the board of directors at such annual meeting of stockholders, the shares shall be deemed fully vested on that annual meeting date.

SEC source: 0001193125-26-232872 · ownership.xml · nonDerivative · entry 1

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,111

F1 · shares: Represents time-based restricted stock units that will vest in three equal installments beginning on the first anniversary of the applicable vesting commencement date, subject to the Reporting Person's continued employment through each applicable vesting date.

SEC source: 0001193125-26-096640 · ownership.xml · nonDerivative · entry 1

Sirkes Guy · CIK 0001808492 · See Remarks

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: 0001193125-26-096650 · ownership.xml · nonDerivative · entry 1

Willis Darryl Keith · CIK 0001748639 · 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: 0001193125-26-096637 · ownership.xml · nonDerivative · entry 1

Luz S. Brett · CIK 0001715489 · See Remarks

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: 0001193125-26-096655 · ownership.xml · nonDerivative · entry 1

SCHWINGER SCOTT · CIK 0001282435 · 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: 0001193125-26-096657 · ownership.xml · nonDerivative · entry 1

MOORE THEODORE R. · CIK 0001526088 · See Remarks

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: 0001193125-26-096639 · ownership.xml · nonDerivative · entry 1

Fox Ann G · CIK 0001727661 · Director · See Remarks

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: 0001193125-26-096644 · ownership.xml · nonDerivative · entry 1

Hall Jerome D JR · CIK 0001617666 · 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: 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: 0001193125-26-096641 · ownership.xml · nonDerivative · entry 1

Crombie David · CIK 0001727542 · See Remarks

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: 0001193125-25-277528 · ownership.xml · nonDerivative · entry 1

Burnett Richard Alan · CIK 0001600737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: On November 9, 2025, Richard A. Burnett informed Nine Energy Service, Inc. (the "Issuer") of his intention to resign from the board of directors of the Issuer, effective immediately. Pursuant to the Restricted Stock Agreement, dated as of May 8, 2025, between the Issuer and Mr. Burnett, these shares of restricted stock, to vest on May 8, 2026 (the first anniversary of the grant date), were awarded to Mr. Burnett for his membership on the Issuer's board of directors and are thus forfeited upon such termination of directorship.

SEC source: 0000950170-25-106649 · ownership.xml · nonDerivative · entry 1

Sirkes Guy · CIK 0001808492 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 139,444

SEC source: 0000950170-25-106650 · ownership.xml · nonDerivative · entry 1

Fox Ann G · CIK 0001727661 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 373,795

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.620 to $0.661, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any securities holder of Nine Energy Service, Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-25-102359 · ownership.xml · nonDerivative · entry 1

Hall Jerome D JR · CIK 0001617666 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,250

F1 · shares: These shares of restricted stock will vest on May 8, 2026.

SEC source: 0000950170-25-073519 · ownership.xml · nonDerivative · entry 1

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 219,996

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.620 to $0.625, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any securities holder of Nine Energy Service, Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-25-073514 · ownership.xml · nonDerivative · entry 1

MOORE THEODORE R. · CIK 0001526088 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,873

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.685 to $0.744, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any securities holder of Nine Energy Service, Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-25-070785 · ownership.xml · nonDerivative · entry 2

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,853

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.660 to $0.686, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any securities holder of Nine Energy Service, Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-25-070789 · ownership.xml · nonDerivative · entry 2

MOORE THEODORE R. · CIK 0001526088 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,403

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.708 to $0.745, inclusive. The reporting person undertakes to provide to Nine Energy Service, Inc., any securities holder of Nine Energy Service, Inc., or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000950170-25-070792 · ownership.xml · nonDerivative · entry 1

Sirkes Guy · CIK 0001808492 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 189,341

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 9, 2023.

SEC source: 0000950170-25-070784 · ownership.xml · nonDerivative · entry 1

Luz S. Brett · CIK 0001715489 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,484

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 9, 2023.

SEC source: 0000950170-25-070789 · ownership.xml · nonDerivative · entry 1

MOORE THEODORE R. · CIK 0001526088 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,420

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 9, 2023.

SEC source: 0000950170-25-070785 · ownership.xml · nonDerivative · entry 1

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 299,490

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 9, 2023.

SEC source: 0000950170-25-070782 · ownership.xml · nonDerivative · entry 1

Fox Ann G · CIK 0001727661 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 651,764

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 9, 2023.

SEC source: 0000950170-25-068222 · ownership.xml · nonDerivative · entry 2

Sirkes Guy · CIK 0001808492 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 193,623

F2 · shares: These shares of restricted stock will vest in three equal annual installments on the first three anniversaries of the grant date.

SEC source: 0000950170-25-068230 · ownership.xml · nonDerivative · entry 1

Willis Darryl Keith · CIK 0001748639 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,409

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

SEC source: 0000950170-25-068224 · ownership.xml · nonDerivative · entry 2

Luz S. Brett · CIK 0001715489 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 110,015

F2 · shares: These shares of restricted stock will vest in three equal annual installments on the first three anniversaries of the grant date.

SEC source: 0000950170-25-068221 · ownership.xml · nonDerivative · entry 1

SCHWINGER SCOTT · CIK 0001282435 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,107

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

SEC source: 0000950170-25-068223 · ownership.xml · nonDerivative · entry 1

BALDWIN MARK E · CIK 0001230129 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 113,524

F1 · shares: These shares of restricted stock will vest on August 1, 2025.

SEC source: 0000950170-25-068249 · ownership.xml · nonDerivative · entry 2

MOORE THEODORE R. · CIK 0001526088 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 190,623

F2 · shares: These shares of restricted stock will vest in three equal annual installments on the first three anniversaries of the grant date.

SEC source: 0000950170-25-068247 · ownership.xml · nonDerivative · entry 1

Burnett Richard Alan · CIK 0001600737 · 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: 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: 0000950170-25-068235 · ownership.xml · nonDerivative · entry 2

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 307,066

F2 · shares: These shares of restricted stock will vest in three equal annual installments on the first three anniversaries of the grant date.

SEC source: 0000950170-25-068227 · ownership.xml · nonDerivative · entry 2

Fox Ann G · CIK 0001727661 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 662,090

F2 · shares: These shares of restricted stock will vest in three equal annual installments on the first three anniversaries of the grant date.

SEC source: 0000950170-25-068222 · ownership.xml · nonDerivative · entry 1

Sirkes Guy · CIK 0001808492 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,623

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 7, 2024.

SEC source: 0000950170-25-068224 · ownership.xml · nonDerivative · entry 1

Luz S. Brett · CIK 0001715489 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,015

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 7, 2024.

SEC source: 0000950170-25-068249 · ownership.xml · nonDerivative · entry 1

MOORE THEODORE R. · CIK 0001526088 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,623

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 7, 2024.

SEC source: 0000950170-25-068235 · ownership.xml · nonDerivative · entry 1

Crombie David · CIK 0001727542 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 217,066

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 7, 2024.

SEC source: 0000950170-25-068227 · ownership.xml · nonDerivative · entry 1

Fox Ann G · CIK 0001727661 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 527,090

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 7, 2024.

SEC source: 0000950170-25-064614 · ownership.xml · nonDerivative · entry 1

Sirkes Guy · CIK 0001808492 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 151,819

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 3, 2022.

F2 · balance_after: Reflects the transfer of 561 shares of common stock by the reporting person to his ex-spouse since the date of the reporting person's last ownership report.

SEC source: 0000950170-25-064617 · ownership.xml · nonDerivative · entry 1

Luz S. Brett · CIK 0001715489 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 97,624

F1 · shares: The sale reported on this Form 4 reflects the non-discretionary sale of shares of common stock of Nine Energy Service, Inc. by the reporting person necessary to satisfy tax withholding obligations in connection with the vesting of the time-based restricted stock award granted on May 3, 2022.