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Saltz Aaron

Disclosed activity across 1 company

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22587
SEC CIK
0001807986

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Latest disclosed role at each company.

CompanyLast reported asReport datePublished
MAGNITE, INC.MGNI · Entity 2049CHIEF LEGAL OFFICERSeptember 10, 2026September 11, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

MAGNITE, INC.

Report date September 10, 2026 · Filed September 11, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect224,389 Reported balance After 2026-09-10 transaction · row 1
1 source row

Row 1 · 2026-09-10 · Sale · Disposed 40,000 · Balance 224,389

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2026.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.3667 to $23.5250, inclusive. The Reporting Person undertakes to provide to 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 to this Form 4.

Filing footnotes · ownership attribution and instrument terms

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2026.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.3667 to $23.5250, inclusive. The Reporting Person undertakes to provide to 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 to this Form 4.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
September 10, 2026 Filed Sep 11, 2026 20:15 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 40,000 $23.41 $936,400.00
Disclosure

SEC source: 0001807986-26-000009 · wk-form4_1789157744.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 224,389

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 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 $23.3667 to $23.5250, inclusive. The Reporting Person undertakes to provide to 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 to this Form 4.

Read SEC document
August 15, 2026 Filed Aug 18, 2026 20:21 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 5,627 $24.73 $139,155.71
Disclosure

SEC source: 0001807986-26-000007 · wk-form4_1787084484.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 264,389

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
May 15, 2026 Filed May 19, 2026 21:00 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 5,627 $12.82 $72,138.14
Disclosure

SEC source: 0001807986-26-000004 · form4-05192026_050511.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 270,016

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
February 15, 2026 Filed Feb 18, 2026 21:30 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 12,761 $11.70 $149,303.70
Disclosure

SEC source: 0001807986-26-000003 · form4-02182026_040216.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,643

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
January 09, 2026 Filed Jan 12, 2026 21:30 UTC MAGNITE, INC. MGNI · Entity 2049 Exercise / conversionPerformance Stock Units · Derivative 28,215 $0.00 $0.00
Disclosure

SEC source: 0001807986-26-000002 · form4-01122026_040111.xml · derivative · entry 3

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 28,215 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.

F3 · derivative.exercise_price: Each PSU represents a contingent right to receive, on vesting, one share of the Issuer's common stock, subject to Issuer performance as more specifically described in Footnote 4 herein.

F1 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: Vesting of the PSU was determined based on the Issuer's total stockholder return ("TSR") for the three-year period beginning on January 1, 2023 relative to the TSRs of the companies in the Russell 2000 index over that period. The number of PSUs reported in column 5 on the Form 4 filed with the Securities and Exchange Commission on January 4, 2023 reflected the target number of PSUs initially subject to the award. The award was eligible to vest as to 0% to 150% of the target number of PSUs. On January 9, 2026, the Compensation Committee of the Issuer's Board of Directors determined that, based on 126.35% achievement, the Reporting Person actually vested 28,215 shares.

F4 · derivative.expiration_date: Vesting of the PSU was determined based on the Issuer's total stockholder return ("TSR") for the three-year period beginning on January 1, 2023 relative to the TSRs of the companies in the Russell 2000 index over that period. The number of PSUs reported in column 5 on the Form 4 filed with the Securities and Exchange Commission on January 4, 2023 reflected the target number of PSUs initially subject to the award. The award was eligible to vest as to 0% to 150% of the target number of PSUs. On January 9, 2026, the Compensation Committee of the Issuer's Board of Directors determined that, based on 126.35% achievement, the Reporting Person actually vested 28,215 shares.

Read SEC document
January 09, 2026 Filed Jan 12, 2026 21:30 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 15,026 $16.17 $242,970.42
Disclosure

SEC source: 0001807986-26-000002 · form4-01122026_040111.xml · nonDerivative · entry 2

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 288,404

F2 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of the performance stock units ("PSUs") being reported herein.

Read SEC document
January 09, 2026 Filed Jan 12, 2026 21:30 UTC MAGNITE, INC. MGNI · Entity 2049 Exercise / conversionCommon Stock 28,215 $0.00 $0.00
Disclosure

SEC source: 0001807986-26-000002 · form4-01122026_040111.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,430

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 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

Read SEC document
January 01, 2026 Filed Jan 6, 2026 00:18 UTC MAGNITE, INC. MGNI · Entity 2049 GrantPerformance Stock Units · Derivative 22,115 $0.00 $0.00
Disclosure

SEC source: 0001807986-26-000001 · form4-01062026_120152.xml · derivative · entry 2

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,115

Underlying: Common Stock · 22,115 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive on vesting one share of the Issuer's common stock.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2026, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2026. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

F4 · derivative.expiration_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2026, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2026. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

Read SEC document
January 01, 2026 Filed Jan 6, 2026 00:18 UTC MAGNITE, INC. MGNI · Entity 2049 GrantCommon Stock 65,831 $0.00 $0.00
Disclosure

SEC source: 0001807986-26-000001 · form4-01062026_120152.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,215

F1 · shares: Represents restricted stock units that vest as follows: 17,829 on February 15, 2027, 4,114 on each May 15, August 15, November 15, and February 15 thereafter until November 15, 2029 and 2,748 on February 15, 2030, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

Read SEC document
November 15, 2025 Filed Nov 18, 2025 23:00 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 5,695 $14.15 $80,584.25
Disclosure

SEC source: 0001807986-25-000009 · form4-11182025_061106.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 209,384

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
September 19, 2025 Filed Sep 19, 2025 20:15 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 8,522 $24.50 $208,789.00
Disclosure

SEC source: 0001807986-25-000007 · form4-09192025_040904.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 215,079

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

Read SEC document
September 15, 2025 Filed Sep 17, 2025 20:41 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 6,180 $23.94 $147,949.20
Disclosure

SEC source: 0001807986-25-000005 · form4-09172025_080914.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 223,601

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

Read SEC document
August 29, 2025 Filed Aug 29, 2025 20:30 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 12,403 $26.07 $323,346.21
Disclosure

SEC source: 0001415889-25-023302 · form4-08292025_040803.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 229,781

Read SEC document
August 18, 2025 Filed Aug 20, 2025 20:30 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 5,770 $23.85 $137,614.50
Disclosure

SEC source: 0001415889-25-022454 · form4-08202025_040818.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 242,184

F1 · kind: These shares were sold to cover the Reporting Person's tax obligation resulting from the settlement of vested Restricted Stock Units. The sale is mandated by the Issuer's election to require the satisfaction of tax withholding obligations to be funded by sell to cover transactions and does not represent a discretionary transaction by the Reporting Person.

Read SEC document
August 14, 2025 Filed Aug 15, 2025 20:37 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 13,860 $23.34 $323,492.40
Disclosure

SEC source: 0001415889-25-022084 · form4-08152025_080806.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,954

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.29 to $23.445, inclusive. The Reporting Person undertakes to provide to 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 to this Form 4.

Read SEC document
June 30, 2025 Filed Jul 2, 2025 20:15 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 17,574 $22.00 $386,628.00
Disclosure

SEC source: 0001415889-25-019024 · form4-07022025_040733.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 261,814

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

Read SEC document
June 16, 2025 Filed Jun 18, 2025 20:47 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 16,788 $17.50 $293,790.00
Disclosure

SEC source: 0001415889-25-017699 · form4-06182025_080657.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 279,388

F1 · kind: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 14, 2025.

Read SEC document
June 04, 2025 Filed Jun 6, 2025 22:00 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 15,328 $16.71 $256,130.88
Disclosure

SEC source: 0001415889-25-016040 · form4-06062025_090659.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 296,176

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.7036 to $16.715, inclusive. The Reporting Person undertakes to provide to 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 to this Form 4.

Read SEC document
May 15, 2025 Filed May 16, 2025 21:40 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 6,001 $15.88 $95,295.88
Disclosure

SEC source: 0001415889-25-013468 · form4-05162025_050501.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 311,504

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
February 15, 2025 Filed Feb 19, 2025 21:27 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 13,125 $20.00 $262,500.00
Disclosure

SEC source: 0001415889-25-004624 · form4-02192025_090205.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317,505

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
February 07, 2025 Filed Feb 7, 2025 23:44 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 17,947 $19.75 $354,453.25
Disclosure

SEC source: 0001415889-25-003397 · form4-02072025_110240.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 330,630

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024.

Read SEC document
January 09, 2025 Filed Jan 13, 2025 22:41 UTC MAGNITE, INC. MGNI · Entity 2049 GrantPerformance Stock Units · Derivative 17,199 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-001404 · form4-01132025_100125.xml · derivative · entry 2

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,199

Underlying: Common Stock · 17,199 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive on vesting one share of the Issuer's common stock.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2025, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2025. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

F4 · derivative.expiration_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2025, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2025. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

Read SEC document
January 09, 2025 Filed Jan 13, 2025 22:41 UTC MAGNITE, INC. MGNI · Entity 2049 GrantCommon Stock 51,095 $0.00 $0.00
Disclosure

SEC source: 0001415889-25-001404 · form4-01132025_100125.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 348,577

F1 · shares: Represents restricted stock units that vest as follows: 13,838 on February 15, 2026, 3,193 on each May 15, August 15, November 15, and February 15 thereafter until November 15, 2028 and 2,134 on February 15, 2029, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

Read SEC document
November 25, 2024 Filed Nov 27, 2024 21:30 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 6,110 $17.50 $106,925.00
Disclosure

SEC source: 0001415889-24-027856 · form4-11272024_041101.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 297,482

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024.

Read SEC document
November 15, 2024 Filed Nov 20, 2024 01:07 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 4,153 $15.85 $65,825.05
Disclosure

SEC source: 0001415889-24-027286 · form4-11202024_011151.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 303,592

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
November 07, 2024 Filed Nov 8, 2024 21:15 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 5,112 $13.50 $69,012.00
Disclosure

SEC source: 0001415889-24-026433 · form4-11082024_041114.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 307,745

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024.

Read SEC document
August 15, 2024 Filed Aug 16, 2024 21:04 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 4,153 $12.51 $51,954.03
Disclosure

SEC source: 0001415889-24-021470 · form4-08162024_090849.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 312,857

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
June 14, 2024 Filed Jun 14, 2024 22:02 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 4,778 $13.65 $65,219.70
Disclosure

SEC source: 0001415889-24-017006 · form4-06142024_100655.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 317,010

F1 · kind: The transaction reported was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 15, 2024.

Read SEC document
May 15, 2024 Filed May 17, 2024 21:01 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 3,553 $9.80 $34,819.40
Disclosure

SEC source: 0001415889-24-013567 · form4-05172024_050548.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,788

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
February 15, 2024 Filed Feb 16, 2024 21:26 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 12,738 $9.74 $124,068.12
Disclosure

SEC source: 0001415889-24-004135 · form4-02162024_090215.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 321,781

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
February 15, 2024 Filed May 6, 2024 20:15 UTC Amendment MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 9,178 $9.74 $89,393.72
Disclosure

SEC source: 0001415889-24-012321 · form4a-05062024_040541.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 325,341

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

Read SEC document
January 02, 2024 Filed Jan 4, 2024 22:01 UTC MAGNITE, INC. MGNI · Entity 2049 GrantPerformance Stock Units · Derivative 22,331 $0.00 $0.00
Disclosure

SEC source: 0001209191-24-000836 · doc4.xml · derivative · entry 2

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,331

Underlying: Common Stock · 22,331 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive on vesting one share of the Issuer's common stock.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2024, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2024. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

F4 · derivative.expiration_date: The PSUs will generally vest on the three-year anniversary of the grant date of the award subject to the Reporting Person's continued service through such date. The number of shares vested will be determined based on the Issuer's total stockholder return ("TSR") relative to the TSRs of the companies in the Russell 2000 index for the three year-period beginning January 1, 2024, as well as certain interim measurements based on relative TSR for the one-year and two-year periods beginning on January 1, 2024. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

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January 02, 2024 Filed Jan 4, 2024 22:01 UTC MAGNITE, INC. MGNI · Entity 2049 GrantCommon Stock 62,602 $0.00 $0.00
Disclosure

SEC source: 0001209191-24-000836 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 334,519

F1 · shares: Represents restricted stock units that vest as follows: 16,955 on February 15, 2025, 3,913 on each May 15, August 15, November 15, and February 15 thereafter until November 15, 2027 and 2,604 on February 15, 2028, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

F2 · price: Equity grant under the Company's Amended and Restated 2014 Equity Incentive Plan.

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November 15, 2023 Filed Nov 17, 2023 21:24 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 3,466 $7.89 $27,346.74
Disclosure

SEC source: 0001209191-23-055753 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271,917

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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August 16, 2023 Filed Aug 18, 2023 20:26 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 3,594 $8.31 $29,866.14
Disclosure

SEC source: 0001209191-23-046547 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 275,383

F1 · kind: Represents the non-discretionary sale of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

F2 · balance_after: Reflects the transfer of 51,843 shares of the Issuer's Common Stock to the Reporting Person's ex-spouse. The Reporting Person no longer reports as beneficially owned any securities owned by the Reporting Person's ex-spouse.

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May 16, 2023 Filed May 18, 2023 23:59 UTC MAGNITE, INC. MGNI · Entity 2049 SaleCommon Stock 3,801 $10.88 $41,354.88
Disclosure

SEC source: 0001209191-23-030824 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 330,820

F1 · kind: Represents the non-discretionary sale of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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February 15, 2023 Filed Feb 17, 2023 21:39 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 6,031 $13.27 $80,031.37
Disclosure

SEC source: 0001209191-23-010672 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,621

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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February 14, 2023 Filed Feb 16, 2023 21:50 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 4,242 $11.82 $50,140.44
Disclosure

SEC source: 0001209191-23-010105 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 340,652

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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January 01, 2023 Filed Jan 5, 2023 00:28 UTC MAGNITE, INC. MGNI · Entity 2049 GrantPerformance Stock Units · Derivative 22,331 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-001415 · doc4.xml · derivative · entry 2

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,331

Underlying: Common Stock · 22,331 shares

Expires not disclosed

F3 · derivative.exercise_price: Each performance stock unit ("PSU") represents a contingent right to receive on vesting one share of the Issuer's common stock.

F2 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: Vesting of the PSU will be determined based on the Issuer's total stockholder return ("TSR") for the three-year period beginning on the grant date of the award relative to the TSRs of the companies in the Russell 2000 index over that period. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

F4 · derivative.expiration_date: Vesting of the PSU will be determined based on the Issuer's total stockholder return ("TSR") for the three-year period beginning on the grant date of the award relative to the TSRs of the companies in the Russell 2000 index over that period. The number of PSUs reported in column 5 reflects the target number of PSUs subject to the award. The award is eligible to vest as to 0% to 150% of the target number of PSUs.

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January 01, 2023 Filed Jan 5, 2023 00:28 UTC MAGNITE, INC. MGNI · Entity 2049 GrantCommon Stock 62,602 $0.00 $0.00
Disclosure

SEC source: 0001209191-23-001415 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 344,894

F1 · shares: Represents restricted stock units that vest as follows: 16,955 on February 15, 2024, 3,913 on each May 15, August 15, November 15, and February 15 thereafter until November 15, 2026 and 2,604 on February 15, 2027, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

F2 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

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November 15, 2022 Filed Nov 18, 2022 02:08 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 1,767 $11.47 $20,267.49
Disclosure

SEC source: 0001209191-22-057756 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,292

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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August 15, 2022 Filed Aug 17, 2022 20:25 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 1,767 $9.80 $17,316.60
Disclosure

SEC source: 0001209191-22-046263 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,059

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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May 15, 2022 Filed May 17, 2022 21:45 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 3,288 $10.59 $34,819.92
Disclosure

SEC source: 0001209191-22-029793 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 285,826

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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April 01, 2022 Filed Apr 5, 2022 21:07 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 18,718 $13.49 $252,505.82
Disclosure

SEC source: 0001209191-22-023136 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 289,114

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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February 15, 2022 Filed Feb 16, 2022 23:18 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 1,310 $13.95 $18,274.50
Disclosure

SEC source: 0001209191-22-010290 · doc4.xml · nonDerivative · entry 2

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 307,832

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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February 14, 2022 Filed Feb 16, 2022 23:18 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 9,221 $13.30 $122,639.30
Disclosure

SEC source: 0001209191-22-010290 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 309,142

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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February 01, 2022 Filed Feb 4, 2022 00:22 UTC MAGNITE, INC. MGNI · Entity 2049 GrantEmployee Stock Option (right to buy) · Derivative 37,887 $0.00 Strike: $13.90 $0.00
Disclosure

SEC source: 0001209191-22-007012 · doc4.xml · derivative · entry 2

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,887

Underlying: Common Stock · 37,887 shares

Expires 2032-02-01

F2 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

F3 · derivative.exercise_date: 25% of the total number of shares underlying this option will vest on February 1, 2023 and the remaining shares vest 1/36 per month over the next 36 months thereafter, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

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February 01, 2022 Filed Feb 4, 2022 00:22 UTC MAGNITE, INC. MGNI · Entity 2049 GrantCommon Stock 53,250 $0.00 $0.00
Disclosure

SEC source: 0001209191-22-007012 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 318,363

F1 · shares: Represents restricted stock units (the "RSUs") that vest as follows: 25% of the total number of shares underlying the RSU will vest on February 15, 2023 and the remaining shares vest in 12 equal quarterly installments on the 15th of every May, August, November and February thereafter, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

F2 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

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November 15, 2021 Filed Nov 17, 2021 23:19 UTC MAGNITE, INC. MGNI · Entity 2049 Tax withholdingCommon Stock 1,365 $22.50 $30,712.50
Disclosure

SEC source: 0001209191-21-065236 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,113

F1 · kind: Represents the non-discretionary forfeiture of shares on behalf of the Reporting Person pursuant to an arrangement mandated by the Issuer to cover the tax withholding obligations associated with the vesting of restricted stock units.

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September 10, 2021 Filed Sep 11, 2021 00:11 UTC MAGNITE, INC. MGNI · Entity 2049 Exercise / conversionStock Option (Right to Buy) · Derivative 4,575 $0.00 Strike: $5.16 $0.00
Disclosure

SEC source: 0001209191-21-055581 · doc4.xml · derivative · entry 11

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,872

Underlying: Common Stock · 4,575 shares

Expires 2029-02-28

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

F3 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

F6 · derivative.exercise_date: 25% of the total number of shares underlying this option vested on February 14, 2020 and the remaining shares vest 1/36 per month over the next 36 months thereafter, subject to continued service to the Issuer through each vesting date. This equity grant may be subject to accelerated vesting in the event the Reporting Person's employment is terminated under certain circumstances.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.