Gianella Kenneth P.

SEC source: 0001193125-26-393371 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 245,328

F1 · shares: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated August 20, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.705 to $33.9661. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-357357 · ownership.xml · nonDerivative · entry 4

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 261,014

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated May 19, 2026.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.05 to $47.115. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-357357 · ownership.xml · nonDerivative · entry 3

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 261,522

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated May 19, 2026.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.00 to $46.99. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-357357 · ownership.xml · nonDerivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 269,723

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated May 19, 2026.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.01 to $45.865. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-357357 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 283,087

F1 · shares: Reflects shares sold pursuant to a Rule 10b5-1 plan dated May 19, 2026.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.00 to $44.94. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-272660 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 301,014

F1 · shares: Reflects shares sold to cover withholding taxes incurred upon the vesting and settlement of restricted stock units pursuant to a Rule 10b5-1 sale to cover instruction letter dated August 20, 2025.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.82 to $39.54. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the 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: 0001193125-26-155256 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,351

F1 · shares: Represents Ouster, Inc. (the "Company") restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. The RSUs vest as to 1/12 of the total number of RSUs on each quarterly anniversary of March 11, 2026, the vesting commencement date, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.

SEC source: 0000950170-25-075489 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 300,000

F1 · shares: Represents Company restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. One-third of the RSUs will vest on June 11, 2026, and the remainder will vest in eight quarterly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.

F1 · price: Represents Company restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Company's common stock. One-third of the RSUs will vest on June 11, 2026, and the remainder will vest in eight quarterly installments thereafter, subject to the Reporting Person's continued service through the applicable vesting date.

SEC source: 0000709283-25-000001 · wk-form4_1738792089.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,402

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 February 1, 2023.

SEC source: 0000950170-25-006922 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,681

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, 2024.

SEC source: 0000709283-24-000050 · wk-form4_1733433320.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 33,910

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 February 1, 2023 and September 1, 2023.

SEC source: 0000950170-25-006910 · ownership.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 35,168

F1 · shares: This amendment to the original Form 4 filed on December 5, 2024 is being filed to correct the amount of shares sold, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2 · balance_after: As a result of this error, the number of shares reported as beneficially owned by the reporting person following the corrected transaction reflects an increase in the number of shares reported as beneficially owned in the original Form 4.

SEC source: 0000709283-24-000032 · wk-form4_1729545438.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 392,750

F1 · shares: Grant of Restricted Stock Units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. Vesting is subject to continued employment with QMCO through the service vesting date, which occurs in three equal annual installments on October 1, 2025, October 1, 2026 and October 1, 2027. Delayed filing arose from an error related to effecting the reverse stock split within QMCOs stock plan administration platform and the resulting delay of the distribution of the equity award agreement to reporting person. Reporting person has elected to continue to use the grant date for the reported transaction date notwithstanding the delayed distribution of the equity award agreement.

SEC source: 0000709283-24-000011 · wk-form4_1713907711.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 375,000

F1 · security: Granted as annual refresh grant shares. Grant of Restricted Stock Units (RSUs), each of which represents a contingent right to receive one share of common stock of QMCO. Vesting is subject to continued employment with QMCO through the service vesting date, which occurs in three equal annual installments on January 1, 2025, January 1, 2026 and January 1, 2027. Delayed filing arose from an administrative error related to implementing and configuring QMCO's new stock plan administration platform.

SEC source: 0000709283-23-000031 · wk-form4_1693944191.xml · derivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2028-09-01

F2 · derivative.exercise_price: Grant of Performance-Based Restricted Stock Units ("PSUs"), each of which represents a contingent right to receive one share of common stock of QMCO, with vesting subject to the achievement of specified level of the average closing price of a share of QMCO common stock during any one hundred (100) calendar day period occurring between September 1, 2023 and September 1, 2028. Vesting is subject to continued employment with QMCO through the later of the achievement date or service vesting date, which will occur 36 months from the grant date on September 1, 2026.

F2 · derivative.exercise_date: Grant of Performance-Based Restricted Stock Units ("PSUs"), each of which represents a contingent right to receive one share of common stock of QMCO, with vesting subject to the achievement of specified level of the average closing price of a share of QMCO common stock during any one hundred (100) calendar day period occurring between September 1, 2023 and September 1, 2028. Vesting is subject to continued employment with QMCO through the later of the achievement date or service vesting date, which will occur 36 months from the grant date on September 1, 2026.

SEC source: 0000709283-23-000031 · wk-form4_1693944191.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 225,000

F1 · security: Grant of Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of common stock of QMCO. Vesting is subject to continued employment with QMCO through the service vesting date, which occurs in three equal annual installments on September 1, 2024, September 1, 2025 and September 1, 2026.

SEC source: 0000709283-23-000007 · wf-form4_167545898819096.xml · derivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 24,975 shares

Expires 2028-02-01

F2 · derivative.exercise_price: Grant of Performance-Based Restricted Stock Units ("PSUs"), each of which represents a contingent right to receive one share of common stock of QMCO, with vesting subject to the achievement of specified level of the average closing price of a share of QMCO common stock during any one hundred (100) calendar day period occurring between February 1, 2023 and February 1, 2028. Vesting is subject to continued employment with QMCO through the later of the achievement date or service vesting date, which will occur 36 months from the grant date on February 1, 2026.

F2 · derivative.exercise_date: Grant of Performance-Based Restricted Stock Units ("PSUs"), each of which represents a contingent right to receive one share of common stock of QMCO, with vesting subject to the achievement of specified level of the average closing price of a share of QMCO common stock during any one hundred (100) calendar day period occurring between February 1, 2023 and February 1, 2028. Vesting is subject to continued employment with QMCO through the later of the achievement date or service vesting date, which will occur 36 months from the grant date on February 1, 2026.

SEC source: 0000709283-23-000007 · wf-form4_167545898819096.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,000

F1 · security: Grant of Restricted Stock Units ("RSUs"), each of which represents a contingent right to receive one share of common stock of QMCO. Vesting is subject to continued employment with QMCO through the service vesting date, which occurs in three equal annual installments on February 1, 2024, February 1, 2025 and February 1, 2026.

SEC source: 0001140361-17-009254 · doc1.xml · nonDerivative · entry 3

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,968

F4 · kind: The transactions reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 17, 2016.

SEC source: 0001140361-17-009254 · doc1.xml · nonDerivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,968

F3 · kind: Exempt transaction pursuant to Section 16b-3(e) for payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of on this line were relinquished to the Issuer by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this line for any reason other than to cover required taxes.

SEC source: 0001140361-17-009254 · doc1.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,284

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: Represents restricted stock units ("RSUs") awarded to the Reporting Person on February 22, 2017, pursuant to the Issuer's 2016 Corporate Bonus Plan, that vested in full and settled immediately upon grant. The shares of Common Stock were delivered to the Reporting Person upon settlement for no consideration.

F2 · balance_after: Includes shares acquired by the Reporting Person under the Issuer's employee stock purchase plan on February 14, 2017.

SEC source: 0001140361-17-007550 · doc1.xml · derivative · entry 5

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,625

Underlying: Common Stock · 625 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · kind: Release and settlement of RSUs granted to the Reporting Person on May 11, 2015, as previously reported on a Form 3 by the Reporting Person.

F6 · derivative.exercise_date: 25% of the RSUs vested on May 11, 2016 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on August 11, 2016. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

F6 · derivative.expiration_date: 25% of the RSUs vested on May 11, 2016 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on August 11, 2016. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

SEC source: 0001140361-17-007550 · doc1.xml · derivative · entry 4

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,813

Underlying: Common Stock · 469 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F1 · kind: Release and settlement of restricted stock units ("RSUs") granted to the Reporting Person on August 11, 2014, as previously reported on a Form 3 by the Reporting Person.

F5 · derivative.exercise_date: 25% of the RSUs vested on August 11, 2015 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on November 11, 2015. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

F5 · derivative.expiration_date: 25% of the RSUs vested on August 11, 2015 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on November 11, 2015. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

SEC source: 0001140361-17-007550 · doc1.xml · nonDerivative · entry 3

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,356

F3 · kind: Exempt transaction pursuant to Section 16b-3(e) for payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of on this line were relinquished to the Issuer by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001140361-17-007550 · doc1.xml · nonDerivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,836

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: Release and settlement of RSUs granted to the Reporting Person on May 11, 2015, as previously reported on a Form 3 by the Reporting Person.

SEC source: 0001140361-17-007550 · doc1.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,211

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: Release and settlement of restricted stock units ("RSUs") granted to the Reporting Person on August 11, 2014, as previously reported on a Form 3 by the Reporting Person.

SEC source: 0001140361-16-086867 · doc1.xml · nonDerivative · entry 4

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 742

F4 · kind: The transaction reported on this line was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 26, 2016.

SEC source: 0001140361-16-086867 · doc1.xml · derivative · entry 6

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,250

Underlying: Common Stock · 625 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.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F2 · kind: Release and settlement of RSUs granted to the Reporting Person on May 11, 2015, as previously reported on a Form 3 by the Reporting Person.

F7 · derivative.exercise_date: 25% of the RSUs vested on May 11, 2016 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on August 11, 2016. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

F7 · derivative.expiration_date: 25% of the RSUs vested on May 11, 2016 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on August 11, 2016. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

SEC source: 0001140361-16-086867 · doc1.xml · derivative · entry 5

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,282

Underlying: Common Stock · 468 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.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive 1 share of the Issuer's Common Stock upon settlement for no consideration.

F1 · kind: Release and settlement of restricted stock units ("RSUs") granted to the Reporting Person on August 11, 2014, as previously reported on a Form 3 by the Reporting Person.

F6 · derivative.exercise_date: 25% of the RSUs vested on August 11, 2015 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on November 11, 2015. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

F6 · derivative.expiration_date: 25% of the RSUs vested on August 11, 2015 and thereafter vests quarterly as to 6.25% of the total RSUs beginning on November 11, 2015. Shares of the Issuer's common stock will be delivered to the Reporting Person following vesting.

SEC source: 0001140361-16-086867 · doc1.xml · nonDerivative · entry 3

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,424

F3 · kind: Exempt transaction pursuant to Section 16b-3(e) for payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. All of the shares reported as disposed of on this line were relinquished to the Issuer by the Reporting Person and cancelled by the Issuer in exchange for the Issuer's agreement to pay federal and state tax withholding obligations of the Reporting Person resulting from the vesting of RSUs. The Reporting Person did not sell or otherwise dispose of any of the shares reported on this Form 4 for any reason other than to cover required taxes.

SEC source: 0001140361-16-086867 · doc1.xml · nonDerivative · entry 2

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,835

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: Release and settlement of RSUs granted to the Reporting Person on May 11, 2015, as previously reported on a Form 3 by the Reporting Person.

SEC source: 0001140361-16-086867 · doc1.xml · nonDerivative · entry 1

Gianella Kenneth P. · CIK 0001677143 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,210

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: Release and settlement of restricted stock units ("RSUs") granted to the Reporting Person on August 11, 2014, as previously reported on a Form 3 by the Reporting Person.