QMCO

SEC source: 0001628280-26-065076 · wk-form4_1791236184.xml · nonDerivative · entry 1

White Yue Zhou · CIK 0001875944 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 53,139

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors.

SEC source: 0001628280-26-065074 · wk-form4_1791235734.xml · nonDerivative · entry 1

Blevins Tony J · CIK 0002085976 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors.

SEC source: 0001628280-26-065072 · wk-form4_1791235526.xml · nonDerivative · entry 1

Tracy John R. · CIK 0002027146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors.

SEC source: 0001628280-26-065068 · wk-form4_1791235203.xml · nonDerivative · entry 1

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 40,896

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors.

SEC source: 0001628280-26-065061 · wk-form4_1791235006.xml · derivative · entry 2

Clancy James C · CIK 0002085977 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 400,000

Underlying: Common Stock · 400,000 shares

Expires 2033-10-01

F2 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on November 1, 2026, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001628280-26-065061 · wk-form4_1791235006.xml · nonDerivative · entry 1

Clancy James C · CIK 0002085977 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 163,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in three equal annual installments beginning on October 1, 2027, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001628280-26-065025 · wk-form4_1791234156.xml · derivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 500,000

Underlying: Common Stock · 500,000 shares

Expires 2033-10-01

F1 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on November 1, 2026, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001628280-26-065000 · wk-form4_1791233781.xml · nonDerivative · entry 1

Patel Hiral · CIK 0002152084 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in three equal annual installments beginning on October 1, 2027, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001628280-26-064989 · wk-form4_1791233213.xml · nonDerivative · entry 1

Jaworksi Don · CIK 0001947510 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 51,675

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of October 1, 2027 or the date of the Companys next annual meeting of stockholders, in each case subject to the Reporting Persons continued service on the Companys Board of Directors.

SEC source: 0001628280-26-064983 · wk-form4_1791232965.xml · derivative · entry 1

Craythorne Anthony · CIK 0002075430 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,000

Underlying: Common Stock · 200,000 shares

Expires 2033-10-01

F1 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on November 1, 2026, with a vesting commencement date of October 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001628280-26-053354 · wk-form4_1785960610.xml · nonDerivative · entry 1

Craythorne Anthony · CIK 0002075430 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,522

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on January 1, 2026. This Form 4 is a required filing under the Securities Exchange Act of 1934, and the securities in this Form 4 are subject to the terms of that certain Lock-Up Letter Agreement, by and between the issuer and the Reporting Person, dated as of June 1, 2026, and is subject to clause (h) thereunder.

F2 · price: The shares were sold on August 3, 2026 at a price of $10.7281 per share.

SEC source: 0001628280-26-047487 · wk-form4_1783454856.xml · nonDerivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 118,468

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on November 1, 2025 and January 1, 2026.This Form 4 is a required filing under the Securities Exchange Act of 1934, and the securities in this Form 4 are subject to the terms of that certain Lock-Up Letter Agreement, by and between the issuer and the Reporting Person, dated as of June 1, 2026, and is subject to clause (h) thereunder.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on July 2, 2026, at a price ranging from $10.48 to $10.53. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0001628280-26-047490 · wk-form4_1783454977.xml · nonDerivative · entry 1

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,770

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on July 1, 2023. This Form 4 is a required filing under the Securities Exchange Act of 1934, and the securities in this Form 4 are subject to the terms of that certain Lock-Up Letter Agreement, by and between the issuer and the Reporting Person, dated as of June 1, 2026, and is subject to clause (h) thereunder.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on July 2, 2026, at a price ranging from $10.48 to $10.53. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0000899140-26-000636 · form4.xml · derivative · entry 4

Dialectic Technology SPV LLC · CIK 0002055322 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 11,020,645 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · derivative.exercise_price: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · reported_value: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · reported_value: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · price: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · price: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · derivative.expiration_date: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · derivative.expiration_date: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · derivative.underlying_shares: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · derivative.underlying_shares: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · balance_after: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

SEC source: 0000899140-26-000636 · form4.xml · nonDerivative · entry 2

Dialectic Technology SPV LLC · CIK 0002055322 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,104,620

F4 · kind: On the Closing Date, as consideration for the Conversion, the Issuer issued to Dialectic, (i) 3,083,975 additional shares of Common Stock (the "Consideration Shares"), which represents the quotient of (A) approximately $13.0 million, the present value of nominal PIK interest that would accrue on the Convertible Notes from the Closing Date to the maturity date thereof, discounted at a rate of 11%, plus (B) approximately $3.0 million, the Term Loan Deferred Cash Interest Amount (as defined in the Credit Agreement) owed to Dialectic, divided by $5.194.

F2 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · balance_after: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F4 · balance_after: On the Closing Date, as consideration for the Conversion, the Issuer issued to Dialectic, (i) 3,083,975 additional shares of Common Stock (the "Consideration Shares"), which represents the quotient of (A) approximately $13.0 million, the present value of nominal PIK interest that would accrue on the Convertible Notes from the Closing Date to the maturity date thereof, discounted at a rate of 11%, plus (B) approximately $3.0 million, the Term Loan Deferred Cash Interest Amount (as defined in the Credit Agreement) owed to Dialectic, divided by $5.194.

SEC source: 0000899140-26-000636 · form4.xml · nonDerivative · entry 1

Dialectic Technology SPV LLC · CIK 0002055322 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,020,645

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · kind: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

F2 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic, Dialectic converted $57,241,228.00 of the previously issued senior secured convertible notes (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · balance_after: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock.

SEC source: 0001628280-26-041759 · wk-form4_1780970074.xml · derivative · entry 5

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 0

Underlying: Common Stock · 11,020,645 shares

Expires not disclosed

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_price: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · derivative.exercise_price: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · shares: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · shares: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · price: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · price: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

F1 · derivative.expiration_date: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · derivative.expiration_date: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · derivative.underlying_shares: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · derivative.underlying_shares: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F3 · balance_after: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0001628280-26-041759 · wk-form4_1780970074.xml · nonDerivative · entry 2

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 14,104,620

F1 · kind: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · kind: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · balance_after: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F4 · balance_after: On the Closing Date, as consideration for the Conversion, the Issuer issued to Dialectic, (i) 3,083,975 additional shares of Common Stock (the "Consideration Shares"), which represents the quotient of (A) approximately $13.0 million, the present value of nominal PIK interest that would accrue on the Convertible Notes from the Closing Date to the maturity date thereof, discounted at a rate of 11%, plus (B) approximately $3.0 million, the Term Loan Deferred Cash Interest Amount (as defined in the Credit Agreement) owed to Dialectic, divided by $5.194.

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0001628280-26-041759 · wk-form4_1780970074.xml · nonDerivative · entry 1

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 11,020,645

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: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · kind: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F1 · balance_after: On June 4, 2026 (the "Closing Date"), pursuant to a Conversion Agreement dated June 1, 2026 (the "Conversion Agreement"), by and among, among others, the Issuer and Dialectic (as defined below), Dialectic converted $57,241,228.00 of the previously issued 10.00% PIK senior secured convertible notes due 2028 (the "Convertible Notes"), consisting of the entire principal amount and all accrued and unpaid interest thereon, subject to certain conditions set forth in the Conversion Agreement (the "Conversion").

F2 · balance_after: In connection with the Conversion, on the Closing Date, the Convertible Notes were cancelled, and the Issuer issued to Dialectic 11,020,645 shares of Common Stock (as defined below).

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0000899140-26-000636 · form4.xml · derivative · entry 3

Dialectic Technology SPV LLC · CIK 0002055322 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 105,911

Underlying: Common Stock · 105,911 shares

Expires 2031-07-01

F1 · derivative.exercise_price: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · shares: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · price: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · derivative.exercise_date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · derivative.expiration_date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · derivative.underlying_shares: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F1 · balance_after: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

SEC source: 0001628280-26-041759 · wk-form4_1780970074.xml · derivative · entry 4

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 105,911

Underlying: Common Stock · 105,911 shares

Expires 2031-06-01

F6 · derivative.exercise_price: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · shares: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · price: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · derivative.exercise_date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · derivative.expiration_date: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · derivative.underlying_shares: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F6 · balance_after: On June 1, 2026 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Conversion Warrant") to purchase 105,911 (as may be adjusted pursuant to the Conversion Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $5.194 per share (as adjusted from time to time in accordance with the Conversion Warrant) on or after the Issuance Date and until the date that is five (5) years from the Issuance Date.

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0001628280-26-023655 · wk-form4_1775247333.xml · nonDerivative · entry 1

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,030

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on April 1, 2024.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on April 2, 2026, at a price ranging from $5.43 to $5.45. The Reporting Person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0001628280-26-023655 · wk-form4_1775247333.xml · derivative · entry 2

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,500

Underlying: Common Stock · 49,500 shares

Expires 2033-04-01

F3 · shares: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Persons continued service through each vesting date.

F3 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Persons continued service through each vesting date.

SEC source: 0001193125-26-142182 · ownership.xml · derivative · entry 1

Craythorne Anthony · CIK 0002075430 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,500

Underlying: Common Stock · 148,500 shares

Expires 2033-04-01

F1 · shares: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date.

F1 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001193125-26-142179 · ownership.xml · derivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 850,000

Underlying: Common Stock · 850,000 shares

Expires 2033-04-01

F1 · shares: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date.

F1 · derivative.exercise_date: This nonstatutory stock option vests over four years in equal monthly installments beginning on April 1, 2026, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-26-014606 · wk-form4_1772658379.xml · nonDerivative · entry 1

White William Hillis · CIK 0002108496 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,000

F1 · shares: Grant of 25,000 restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in three equal annual installments beginning on March 2, 2027, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-26-000753 · wk-form4_1767660080.xml · nonDerivative · entry 1

Craythorne Anthony · CIK 0002075430 · Chief Revenue Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest over three years in equal annual installments on each anniversary of the vesting commencement date, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-26-000750 · wk-form4_1767659314.xml · derivative · entry 2

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2033-01-01

F2 · shares: This nonstatutory stock option vests in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

F2 · derivative.exercise_date: This nonstatutory stock option vests in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-26-000750 · wk-form4_1767659314.xml · nonDerivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,700

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-26-000749 · wk-form4_1767659233.xml · nonDerivative · entry 1

White Yue Zhou · CIK 0001875944 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 41,139

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0001628280-26-000748 · wk-form4_1767659152.xml · nonDerivative · entry 1

Clancy James C · CIK 0002085977 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0001628280-26-000747 · wk-form4_1767659113.xml · nonDerivative · entry 1

Blevins Tony J · CIK 0002085976 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0001628280-26-000745 · wk-form4_1767659051.xml · nonDerivative · entry 1

Jaworksi Don · CIK 0001947510 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 39,675

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0001628280-26-000742 · wk-form4_1767658967.xml · nonDerivative · entry 1

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,271

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0001628280-26-000741 · wk-form4_1767658910.xml · nonDerivative · entry 1

Tracy John R. · CIK 0002027146 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of January 1, 2027 or the date of the Company's next annual meeting of stockholders, in each case subject to the Reporting Person's continued service on the Company's Board of Directors.

SEC source: 0000947871-25-001091 · ownership.xml · derivative · entry 1

Dialectic Technology SPV LLC · CIK 0002055322 · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: Not disclosed

Underlying: Common Stock · Not disclosed shares

Expires not disclosed

F1 · derivative.exercise_price: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · derivative.exercise_price: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F1 · reported_value: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · reported_value: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F1 · price: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · price: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F1 · derivative.expiration_date: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · derivative.expiration_date: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F1 · derivative.underlying_shares: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · derivative.underlying_shares: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F1 · valueOwnedAfter: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic Technology SPV LLC ("Dialectic"). The Convertible Notes mature December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F2 · valueOwnedAfter: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

SEC source: 0000709283-25-000099 · wk-form4_1767058062.xml · derivative · entry 3

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 0

Underlying: Common Stock · Not disclosed shares

Expires 2028-12-18

F4 · derivative.exercise_price: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · derivative.exercise_price: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F4 · shares: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · shares: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F4 · price: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · price: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F4 · derivative.expiration_date: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · derivative.expiration_date: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F4 · derivative.underlying_shares: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · derivative.underlying_shares: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F4 · balance_after: On December 18, 2025 (the "Closing Date"), the Issuer issued senior secured convertible notes (the "Convertible Notes") in the aggregate principal amount of $54,718,114 to Dialectic. The Convertible Notes mature on December 18, 2028 (the "Maturity Date") and have an interest rate of 10.00% per annum, payable in kind, compounded annually. The initial conversion price of the Convertible Notes equals $10.00 per share (the "Conversion Price") of Common Stock, subject to adjustment, and includes antidilution protections in favor of Dialectic as set forth in the Convertible Notes. The Conversion Price is subject to adjustment on the last day of the three (3) calendar quarters immediately following the Closing Date (each, a "Reset Price Date") to the greater of (a) $4.00 per share and (b) the lesser of (i) the then Conversion Price and (ii) the 30-day daily VWAP of the Common Stock immediately preceding the Reset Price Date.

F5 · balance_after: Based on the Conversion Price as of the Closing Date, the Convertible Notes were convertible into 5,471,811 shares of Common Stock. At the Issuer's option, all outstanding principal amount, accrued and unpaid interest and premium, if any, of any Convertible Notes outstanding on the Maturity Date will be exchanged into shares of Common Stock at an exchange price equal to 80% of the market price as set forth in the Convertible Notes. Following the six (6)-month anniversary of Closing Date, if certain conditions are met, the Issuer may elect to require the exchange of a portion of the total outstanding amount of any Convertible Notes into shares of Common Stock at the then outstanding Conversion Price.

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0002085976-25-000005 · wk-form4_1762301774.xml · nonDerivative · entry 1

Blevins Tony J · CIK 0002085976 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of November 1, 2026 or the date of the Company's next annual stockholder meeting, subject to continued service on the Company's Board of Directors.

SEC source: 0002085977-25-000004 · wk-form4_1762301403.xml · nonDerivative · entry 1

Clancy James C · CIK 0002085977 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,000

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in full on the earlier of November 1, 2026 or the date of the Company's next annual stockholder meeting, subject to continued service on the Company's Board of Directors.

SEC source: 0001419111-25-000003 · wk-form4_1762300800.xml · derivative · entry 2

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,000

Underlying: Common Stock · 50,000 shares

Expires 2032-11-01

F2 · shares: This nonstatutory stock option vests in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

F2 · derivative.exercise_date: This nonstatutory stock option vests in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001419111-25-000003 · wk-form4_1762300800.xml · nonDerivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,200

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. The RSUs vest in four equal annual installments beginning on July 1, 2026, with a vesting commencement date of July 1, 2025, subject to the Reporting Person's continued service through each vesting date.

SEC source: 0001628280-25-044169 · wk-form4_1759526523.xml · nonDerivative · entry 1

Meyrath Hugues · CIK 0001419111 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,700

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on October 1, 2024.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on October 2, 2025, at a price ranging from $10.85 to $10.87. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0001979364-25-000006 · wk-form4_1759524147.xml · nonDerivative · entry 3

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,139

F3 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on October 1, 2024.

F4 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on October 2, 2025, at a price ranging from $10.85 to $10.87. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0001979364-25-000006 · wk-form4_1759524147.xml · nonDerivative · entry 2

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,750

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of performance-based stock units granted on July 1, 2023.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on October 1, 2025, at a price ranging from $9.9026 to $9.9118. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0001979364-25-000006 · wk-form4_1759524147.xml · nonDerivative · entry 1

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,868

SEC source: 0000709283-25-000099 · wk-form4_1767058062.xml · derivative · entry 2

FICHTHORN JOHN · CIK 0001411509 · Director · 10% owner

10b5-1 filing: No plan indicated

Ownership: Indirect · by Dialectic Technology SPV LLC

Disclosed balance after: 2,653,308

Underlying: Common Stock · 2,653,308 shares

Expires 2032-09-23

F1 · derivative.exercise_price: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F1 · date: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F2 · date: The Forbearance Warrant is subject to a 4.99% beneficial ownership limitation and cannot be exercised in excess of such ownership limitation without waiver by Dialectic. On December 22, 2025, Dialectic provided notice to the Issuer of the waiver of such limitation, which will be effective February 21, 2026.

F1 · shares: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F2 · shares: The Forbearance Warrant is subject to a 4.99% beneficial ownership limitation and cannot be exercised in excess of such ownership limitation without waiver by Dialectic. On December 22, 2025, Dialectic provided notice to the Issuer of the waiver of such limitation, which will be effective February 21, 2026.

F1 · price: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F1 · derivative.exercise_date: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F1 · derivative.expiration_date: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F1 · derivative.underlying_shares: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F2 · derivative.underlying_shares: The Forbearance Warrant is subject to a 4.99% beneficial ownership limitation and cannot be exercised in excess of such ownership limitation without waiver by Dialectic. On December 22, 2025, Dialectic provided notice to the Issuer of the waiver of such limitation, which will be effective February 21, 2026.

F1 · balance_after: On September 23, 2025 ("Issuance Date"), the Issuer issued to Dialectic Technology SPV LLC ("Dialectic") a warrant (the "Forbearance Warrant") to purchase 2,653,308 (as may be adjusted pursuant to the Forbearance Warrant) shares of common stock, par value $0.01 per share of the Issuer (the "Common Stock"), at an exercise price equal to $8.81 per share (as adjusted from time to time in accordance with the Forbearance Warrant) on or after the Issuance Date and until the date that is seven (7) years from the Issuance Date.

F2 · balance_after: The Forbearance Warrant is subject to a 4.99% beneficial ownership limitation and cannot be exercised in excess of such ownership limitation without waiver by Dialectic. On December 22, 2025, Dialectic provided notice to the Issuer of the waiver of such limitation, which will be effective February 21, 2026.

F3 · ownership.nature: These securities are held directly by Dialectic, a 10% holder of the Issuer, and indirectly by John Fichthorn. Mr. Fichthorn is the Manager of Dialectic Technology Manager LLC, the Manager of Dialectic. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, if any.

SEC source: 0001979364-25-000004 · wk-form4_1758148192.xml · nonDerivative · entry 1

Nash Laura A. · CIK 0001979364 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,368

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units granted on July 1, 2022, and July 1, 2023.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on September 12, 2025, at a price ranging from $7.3803 to $7.41. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0000709283-25-000013 · wk-form4_1746479917.xml · nonDerivative · entry 1

FICHTHORN JOHN · CIK 0001411509 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,271

F1 · shares: Grant of restricted stock units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO, representing an amount prorated from the time of appointment to the first anniversary of the Company's last annual stockholder meeting. The RSUs vest in full on the earlier of May 1, 2026 or the date of the Company's next annual stockholder meeting, subject to continued service on the Company's Board of Directors.

SEC source: 0000709283-25-000010 · wk-form4_1745442862.xml · nonDerivative · entry 2

Moorehead Lewis W. · CIK 0001597383 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,971

F1 · shares: Represents the number of shares automatically sold on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of performance-based stock units granted on July 1, 2022.

F2 · price: Represents a weighted average price. These shares were sold as part of block trades for multiple security holders of the issuer on April 21, 2025, at a price ranging from $9.6144 to $9.67. The reporting person undertakes to provide upon request by the Securities and Exchange Commission, the issuer, or a securityholder of the issuer detailed information regarding the number of shares sold and the prices at which the transactions were executed.

SEC source: 0000709283-25-000010 · wk-form4_1745442862.xml · nonDerivative · entry 1

Moorehead Lewis W. · CIK 0001597383 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 25,150