Tapewire

Nasdaq · USD

MGNI

MAGNITE, INC.

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Tapewire entity
2049
SEC CIK
0001595974
Parsed reports
687

Last 12 months

Inside the activity.

0 purchase rows · 51 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202504
Dec 202501
Jan 202600
Feb 202601
Mar 202600
Apr 202600
May 202601
Jun 2026011
Jul 202605
Aug 2026016
Sep 2026011
Oct 202601

Latest available

Insider transactions

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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 dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
July 09, 2021 Filed Jul 13, 2021 21:05 UTC SaleCommon Stock 9,010 $32.68 $294,446.80
Disclosure

SEC source: 0001209191-21-046563 · doc4.xml · nonDerivative · entry 1

Knopper Douglas S · CIK 0001350876 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,246

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.41 to $33.21, 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.

Read SEC document
July 01, 2021 Filed Jul 2, 2021 20:42 UTC
Gephart BrianChief Accounting Officer
GrantStock Option (Right to Buy) · Derivative 13,594 $0.00 Strike: $34.68 $0.00
Disclosure

SEC source: 0001209191-21-044998 · doc4.xml · derivative · entry 2

Gephart Brian · CIK 0001778484 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,594

Underlying: Common Stock · 13,594 shares

Expires 2031-07-01

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

F3 · derivative.exercise_date: 25% of the total number of shares underlying the option will vest on June 28, 2022 and the remaining shares vest 1/36 per month over the next 36 months thereafter, subject to the Reporting Person's 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.

Read SEC document
July 01, 2021 Filed Jul 2, 2021 20:42 UTC
Gephart BrianChief Accounting Officer
GrantCommon Stock 18,268 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044998 · doc4.xml · nonDerivative · entry 1

Gephart Brian · CIK 0001778484 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,268

F1 · shares: Represents restricted stock units that vest as follows: 4,948 on August 15, 2022, 1,142 on each November 15, February 15, May 15 and August 15 thereafter until May 15, 2025 and 758 on August 15, 2025, subject to the Reporting Person's 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 Issuer's 2014 Equity Incentive Plan.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:29 UTC
Caine PaulDirector
GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044008 · doc4.xml · nonDerivative · entry 1

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,544

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28,2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:37 UTC GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044015 · doc4.xml · nonDerivative · entry 1

Rossman James · CIK 0001296625 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 289,497

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 17:30 UTC GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044009 · doc4.xml · nonDerivative · entry 1

FRANKENBERG ROBERT J · CIK 0001183579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,858

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:33 UTC GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044013 · doc4.xml · nonDerivative · entry 1

Knopper Douglas S · CIK 0001350876 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,256

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:34 UTC
Lam RachelDirector
GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044014 · doc4.xml · nonDerivative · entry 1

Lam Rachel · CIK 0001579232 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,263

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:38 UTC GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044016 · doc4.xml · nonDerivative · entry 1

Spillane Robert F · CIK 0001603808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,858

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:32 UTC GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044010 · doc4.xml · nonDerivative · entry 1

Harden Sarah Patricia · CIK 0001781873 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 94,880

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 28, 2021 Filed Jun 30, 2021 21:39 UTC
TROE LISA LDirector
GrantCommon Stock 3,936 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-044017 · doc4.xml · nonDerivative · entry 1

TROE LISA L · CIK 0001603830 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,708

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) June 28, 2022, (ii) the date of the 2022 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

Read SEC document
June 10, 2021 Filed Jun 11, 2021 21:43 UTC
Caine PaulDirector
SaleCommon Stock 3,130 $33.45 $104,698.50
Disclosure

SEC source: 0001209191-21-039962 · doc4.xml · nonDerivative · entry 2

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,608

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.03 to $33.87, 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.

Read SEC document
June 10, 2021 Filed Jun 11, 2021 21:43 UTC
Caine PaulDirector
SaleCommon Stock 11,870 $32.57 $386,605.90
Disclosure

SEC source: 0001209191-21-039962 · doc4.xml · nonDerivative · entry 1

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 157,738

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.03 to $32.97, 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.

Read SEC document
June 09, 2021 Filed Jun 11, 2021 21:41 UTC
Saltz AaronGeneral Counsel
Exercise / conversionStock Option (Right to Buy) · Derivative 1,791 $0.00 Strike: $3.61 $0.00
Disclosure

SEC source: 0001209191-21-039961 · doc4.xml · derivative · entry 3

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,182

Underlying: Common Stock · 1,791 shares

Expires 2028-02-27

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: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

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

F2 · derivative.exercise_date: 25% of the total number of shares underlying this option vested on February 14, 2019 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.

Read SEC document
June 09, 2021 Filed Jun 11, 2021 21:41 UTC
Saltz AaronGeneral Counsel
SaleCommon Stock 5,000 $33.15 $165,750.00
Disclosure

SEC source: 0001209191-21-039961 · doc4.xml · nonDerivative · entry 2

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,315

F1 · kind: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

Read SEC document
June 09, 2021 Filed Jun 11, 2021 21:41 UTC
Saltz AaronGeneral Counsel
Exercise / conversionCommon Stock 1,791 $3.61 $6,465.51
Disclosure

SEC source: 0001209191-21-039961 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,315

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: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 17:32 UTC
Dove James AllenChief Technology Officer
GrantStock Option (Right to Buy) · Derivative 43,788 $0.00 Strike: $30.93 $0.00
Disclosure

SEC source: 0001209191-21-037797 · doc4.xml · derivative · entry 3

Dove James Allen · CIK 0001865244 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,788

Underlying: Common Stock · 43,788 shares

Expires 2031-06-01

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

F4 · derivative.exercise_date: 25% of the total number of shares underlying the option will vest on May 15, 2022 and the remaining shares vest 1/36 per month over the next 36 months thereafter, subject to the Reporting Person's 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.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 17:32 UTC
Dove James AllenChief Technology Officer
GrantCommon Stock 50,437 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-037797 · doc4.xml · nonDerivative · entry 2

Dove James Allen · CIK 0001865244 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,280

F3 · shares: Represents restricted stock units that vest as follows: one-half on June 1, 2022 and one-half on June 1, 2023, subject to the Reporting Person's 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 Issuer's 2014 Equity Incentive Plan.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 17:32 UTC
Dove James AllenChief Technology Officer
GrantCommon Stock 58,843 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-037797 · doc4.xml · nonDerivative · entry 1

Dove James Allen · CIK 0001865244 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,843

F1 · shares: Represents restricted stock units that vest as follows: 14,711 on May 15, 2022, 3,678 on each August 15, November 15, February 15 and May 15 thereafter until February 15, 2025 and 3,674 on May 15, 2025, subject to the Reporting Person's 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 Issuer's 2014 Equity Incentive Plan.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 21:31 UTC
Buckley Sean PatrickChief Revenue Officer, CTV
GrantStock Option (Right to Buy) · Derivative 43,788 $0.00 Strike: $30.93 $0.00
Disclosure

SEC source: 0001209191-21-037794 · doc4.xml · derivative · entry 3

Buckley Sean Patrick · CIK 0001865116 · Chief Revenue Officer, CTV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,788

Underlying: Common Stock · 43,788 shares

Expires 2031-06-01

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

F4 · derivative.exercise_date: 25% of the total number of shares underlying the option will vest on May 15, 2022 and the remaining shares vest 1/36 per month over the next 36 months thereafter, subject to the Reporting Person's 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.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 21:31 UTC
Buckley Sean PatrickChief Revenue Officer, CTV
GrantCommon Stock 50,437 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-037794 · doc4.xml · nonDerivative · entry 2

Buckley Sean Patrick · CIK 0001865116 · Chief Revenue Officer, CTV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,280

F3 · shares: Represents restricted stock units that vest as follows: one-half on June 1, 2022 and one-half on June 1, 2023, subject to the Reporting Person's 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 Issuer's 2014 Equity Incentive Plan.

Read SEC document
June 01, 2021 Filed Jun 3, 2021 21:31 UTC
Buckley Sean PatrickChief Revenue Officer, CTV
GrantCommon Stock 58,843 $0.00 $0.00
Disclosure

SEC source: 0001209191-21-037794 · doc4.xml · nonDerivative · entry 1

Buckley Sean Patrick · CIK 0001865116 · Chief Revenue Officer, CTV

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,843

F1 · shares: Represents restricted stock units that vest as follows: 14,711 on May 15, 2022, 3,678 on each August 15, November 15, February 15 and May 15 thereafter until February 15, 2025 and 3,674 on May 15, 2025, subject to the Reporting Person's 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 Issuer's 2014 Equity Incentive Plan.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 22,971 $0.00 Strike: $3.95 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 12

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,291 shares

Expires 2023-12-05

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 5,410 $0.00 Strike: $7.74 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 11

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 5,410 shares

Expires 2023-07-31

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 7,212 $0.00 Strike: $5.46 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 10

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 7,212 shares

Expires 2023-03-05

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 2,884 $0.00 Strike: $4.64 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 9

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,884 shares

Expires 2022-07-19

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 2,884 $0.00 Strike: $4.64 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 8

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,884 shares

Expires 2022-07-26

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionStock Option (Right to Buy) · Derivative 1,442 $0.00 Strike: $3.96 $0.00
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · derivative · entry 7

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,442 shares

Expires 2021-06-08

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_date: Immediately exercisable.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 22,971 $3.95 $90,735.45
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 6

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 422,263

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.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 5,410 $7.74 $41,873.40
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 5

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 399,292

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.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 7,212 $5.46 $39,377.52
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 4

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 393,882

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.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 2,884 $4.64 $13,381.76
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 3

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 386,670

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.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 2,884 $4.64 $13,381.76
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 2

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 383,786

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.

Read SEC document
May 26, 2021 Filed May 28, 2021 21:55 UTC
Evans Katie SeitzChief Operating Officer
Exercise / conversionCommon Stock 1,442 $3.96 $5,710.32
Disclosure

SEC source: 0001209191-21-036619 · doc4.xml · nonDerivative · entry 1

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 380,902

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.

Read SEC document
May 17, 2021 Filed May 19, 2021 23:19 UTC
Saltz AaronGeneral Counsel
SaleCommon Stock 5,308 $25.98 $137,901.84
Disclosure

SEC source: 0001209191-21-034211 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 269,524

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.

Read SEC document
May 17, 2021 Filed May 19, 2021 23:12 UTC
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 105,138 $25.98 $2,731,485.24
Disclosure

SEC source: 0001209191-21-034197 · doc4.xml · nonDerivative · entry 1

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,423,770

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: Adjusted to reflect the acquisition of 2,230 shares under the Magnite, Inc. 2014 Employee Stock Purchase Plan on May 17, 2021.

Read SEC document
May 17, 2021 Filed May 19, 2021 19:51 UTC
Hughes ShawnaChief Accounting Officer
SaleCommon Stock 1,890 $25.98 $49,102.20
Disclosure

SEC source: 0001209191-21-034228 · doc4.xml · nonDerivative · entry 1

Hughes Shawna · CIK 0001813409 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,129

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.

Read SEC document
May 17, 2021 Filed May 19, 2021 19:20 UTC
Hughes ShawnaChief Accounting Officer
SaleCommon Stock 1,890 $25.98 $49,102.20
Disclosure

SEC source: 0001209191-21-034213 · doc4.xml · nonDerivative · entry 1

Hughes Shawna · CIK 0001813409 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,129

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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May 17, 2021 Filed May 19, 2021 19:16 UTC
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 22,248 $25.98 $578,003.04
Disclosure

SEC source: 0001209191-21-034206 · doc4.xml · nonDerivative · entry 1

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 330,310

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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May 17, 2021 Filed May 19, 2021 19:15 UTC
Kershaw ThomasChief Technology Officer
SaleCommon Stock 41,213 $25.98 $1,070,713.74
Disclosure

SEC source: 0001209191-21-034202 · doc4.xml · nonDerivative · entry 1

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 473,763

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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May 17, 2021 Filed May 19, 2021 23:17 UTC
Day DavidChief Financial Officer
SaleCommon Stock 35,569 $25.98 $924,082.62
Disclosure

SEC source: 0001209191-21-034207 · doc4.xml · nonDerivative · entry 1

Day David · CIK 0001523288 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 273,526

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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May 17, 2021 Filed May 19, 2021 23:18 UTC
Evans Katie SeitzChief Operating Officer
SaleCommon Stock 12,438 $25.98 $323,139.24
Disclosure

SEC source: 0001209191-21-034208 · doc4.xml · nonDerivative · entry 1

Evans Katie Seitz · CIK 0001700262 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,460

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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May 17, 2021 Filed May 19, 2021 23:13 UTC
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 26,235 $25.98 $681,585.30
Disclosure

SEC source: 0001209191-21-034200 · doc4.xml · nonDerivative · entry 1

Soroca Adam Lee · CIK 0001725125 · Head of Global Buyer Team

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 338,696

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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May 10, 2021 Filed May 13, 2021 01:52 UTC
Saltz AaronGeneral Counsel
Exercise / conversionStock Option (Right to Buy) · Derivative 1,791 $0.00 Strike: $3.61 $0.00
Disclosure

SEC source: 0001209191-21-032246 · doc4.xml · derivative · entry 4

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,973

Underlying: Common Stock · 1,791 shares

Expires 2028-02-27

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: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F5 · price: Equity grant under the Company's 2014 Equity Incentive Plan.

F4 · derivative.exercise_date: 25% of the total number of shares underlying this option vested on February 14, 2019 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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May 10, 2021 Filed May 13, 2021 01:52 UTC
Saltz AaronGeneral Counsel
SaleCommon Stock 2,773 $32.68 $90,621.64
Disclosure

SEC source: 0001209191-21-032246 · doc4.xml · nonDerivative · entry 3

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,832

F1 · kind: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.29 to $33.16, 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 ranges set forth in this footnote.

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May 10, 2021 Filed May 13, 2021 01:52 UTC
Saltz AaronGeneral Counsel
SaleCommon Stock 2,227 $31.06 $69,170.62
Disclosure

SEC source: 0001209191-21-032246 · doc4.xml · nonDerivative · entry 2

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,605

F1 · kind: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.52 to $31.46, 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 ranges set forth in this footnote.

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May 10, 2021 Filed May 13, 2021 01:52 UTC
Saltz AaronGeneral Counsel
Exercise / conversionCommon Stock 1,791 $3.61 $6,465.51
Disclosure

SEC source: 0001209191-21-032246 · doc4.xml · nonDerivative · entry 1

Saltz Aaron · CIK 0001807986 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 279,832

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: This exercise and subsequent sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

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May 10, 2021 Filed May 13, 2021 01:31 UTC
Caine PaulDirector
SaleCommon Stock 521 $32.84 $17,109.64
Disclosure

SEC source: 0001209191-21-032245 · doc4.xml · nonDerivative · entry 3

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 169,608

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.61 to $33.01, 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 ranges set forth in this footnote.

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May 10, 2021 Filed May 13, 2021 01:31 UTC
Caine PaulDirector
SaleCommon Stock 400 $31.99 $12,796.00
Disclosure

SEC source: 0001209191-21-032245 · doc4.xml · nonDerivative · entry 2

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,129

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.59 to $32.46, 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 ranges set forth in this footnote.

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May 10, 2021 Filed May 13, 2021 01:31 UTC
Caine PaulDirector
SaleCommon Stock 14,079 $30.70 $432,225.30
Disclosure

SEC source: 0001209191-21-032245 · doc4.xml · nonDerivative · entry 1

Caine Paul · CIK 0001411765 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,529

F1 · kind: These sales were made pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $30.35 to $31.28, 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 ranges set forth in this footnote.

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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.