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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

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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 08, 2020 Filed Jul 16, 2020 23:22 UTC GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-042697 · doc4.xml · nonDerivative · entry 1

Rossman James · CIK 0001296625 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,474

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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
July 08, 2020 Filed Jul 16, 2020 18:57 UTC GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001595974-20-000110 · wf-form4_159494025457702.xml · nonDerivative · entry 1

FRANKENBERG ROBERT J · CIK 0001183579 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,922

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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
July 08, 2020 Filed Jul 16, 2020 23:24 UTC GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-042699 · doc4.xml · nonDerivative · entry 1

Knopper Douglas S · CIK 0001350876 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,320

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 annual meeting of the Issuer's stockholders, or (iii) a change of control of the Issuer.

F2 · price: Granted as compensation for services.

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July 08, 2020 Filed Jul 16, 2020 23:28 UTC
Lam RachelDirector
GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001209191-20-042700 · doc4.xml · nonDerivative · entry 1

Lam Rachel · CIK 0001579232 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,327

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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
July 08, 2020 Filed Jul 16, 2020 22:58 UTC
TROE LISA LDirector
GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001595974-20-000113 · wf-form4_159494031286956.xml · nonDerivative · entry 1

TROE LISA L · CIK 0001603830 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,772

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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
July 08, 2020 Filed Jul 16, 2020 22:58 UTC GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001595974-20-000112 · wf-form4_159494029258961.xml · nonDerivative · entry 1

Spillane Robert F · CIK 0001603808 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 84,922

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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
July 08, 2020 Filed Jul 16, 2020 22:58 UTC GrantCommon Stock 18,436 $0.00 $0.00
Disclosure

SEC source: 0001595974-20-000111 · wf-form4_159494027377483.xml · nonDerivative · entry 1

Harden Sarah Patricia · CIK 0001781873 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 90,944

F1 · shares: Represents restricted stock units that vest in full on the earliest of (i) July 8, 2021, (ii) the date of the 2021 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 08, 2020 Filed Jun 10, 2020 20:27 UTC Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 10,000 $0.00 Strike: $1.97 $0.00
Disclosure

SEC source: 0001595974-20-000094 · wf-form4_159182081372819.xml · derivative · entry 3

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,817

Underlying: Common Stock · 10,000 shares

Expires 2028-03-15

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 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: Award of stock options granted as compensation for services

F2 · derivative.exercise_date: 25% of the stock options vested on February 1, 2019 and the remaining options have vested or will vest in 36 equal installments each calendar month thereafter.

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June 08, 2020 Filed Jun 10, 2020 20:27 UTC SaleCommon Stock 10,000 $8.69 $86,900.00
Disclosure

SEC source: 0001595974-20-000094 · wf-form4_159182081372819.xml · nonDerivative · entry 2

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,698

F1 · acquired: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 08, 2020 Filed Jun 10, 2020 20:27 UTC Exercise / conversionCommon Stock 10,000 $1.97 $19,700.00
Disclosure

SEC source: 0001595974-20-000094 · wf-form4_159182081372819.xml · nonDerivative · entry 1

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,698

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 · acquired: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 05, 2020 Filed Jun 6, 2020 00:23 UTC SaleCommon Stock 29,018 $7.90 $229,242.20
Disclosure

SEC source: 0001595974-20-000088 · wf-form4_159140298670776.xml · nonDerivative · entry 1

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 324,698

F1 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 03, 2020 Filed Jun 5, 2020 17:20 UTC
Kershaw ThomasChief Technology Officer
Exercise / conversionEmployee Stock Option (Right to Buy) · Derivative 51,000 $0.00 Strike: $6.06 $0.00
Disclosure

SEC source: 0001595974-20-000086 · wf-form4_159139202530429.xml · derivative · entry 3

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,667

Underlying: Common Stock · 51,000 shares

Expires 2027-03-15

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 · shares: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: Award of stock options granted as compensation for services

F2 · derivative.exercise_date: 25% of the stock options vested on February 1, 2018, and the remaining options have vested or will vest in 36 equal installments each calendar month thereafter.

Read SEC document
June 03, 2020 Filed Jun 5, 2020 17:20 UTC
Kershaw ThomasChief Technology Officer
SaleCommon Stock 51,000 $7.50 $382,500.00
Disclosure

SEC source: 0001595974-20-000086 · wf-form4_159139202530429.xml · nonDerivative · entry 2

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 613,609

F1 · acquired: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
June 03, 2020 Filed Jun 5, 2020 17:20 UTC
Kershaw ThomasChief Technology Officer
Exercise / conversionCommon Stock 51,000 $6.06 $309,060.00
Disclosure

SEC source: 0001595974-20-000086 · wf-form4_159139202530429.xml · nonDerivative · entry 1

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 664,609

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 · acquired: The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
May 22, 2020 Filed May 26, 2020 20:36 UTC
Filip EveSee remarks
SaleCommon Stock 4,204 $5.28 $22,197.12
Disclosure

SEC source: 0001595974-20-000069 · wf-form4_159052538974626.xml · nonDerivative · entry 1

Filip Eve · CIK 0001745181 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,408

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

Read SEC document
May 21, 2020 Filed May 26, 2020 16:37 UTC
Tuller BlimaChief Accounting Officer
SaleCommon Stock 12,958 $5.07 $65,697.06
Disclosure

SEC source: 0001595974-20-000070 · wf-form4_159052541168223.xml · nonDerivative · entry 1

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,055

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.98 to $5.12, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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

Read SEC document
May 20, 2020 Filed May 20, 2020 23:31 UTC
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 48,174 $5.13 $247,132.62
Disclosure

SEC source: 0001595974-20-000067 · wf-form4_159001748238298.xml · nonDerivative · entry 3

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,661,054

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed May 20, 2020 19:29 UTC
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 9,990 $5.13 $51,248.70
Disclosure

SEC source: 0001595974-20-000064 · wf-form4_159001737707695.xml · nonDerivative · entry 3

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 413,649

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed May 20, 2020 19:30 UTC
Kershaw ThomasChief Technology Officer
SaleCommon Stock 18,754 $5.13 $96,208.02
Disclosure

SEC source: 0001595974-20-000065 · wf-form4_159001741540429.xml · nonDerivative · entry 3

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 615,979

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed May 20, 2020 19:32 UTC
Tuller BlimaChief Accounting Officer
SaleCommon Stock 4,766 $5.13 $24,449.58
Disclosure

SEC source: 0001595974-20-000068 · wf-form4_159001751147240.xml · nonDerivative · entry 3

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,013

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed May 20, 2020 23:29 UTC SaleCommon Stock 12,965 $5.13 $66,510.45
Disclosure

SEC source: 0001595974-20-000063 · wf-form4_159001734572103.xml · nonDerivative · entry 3

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 355,358

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 herein.

Read SEC document
May 20, 2020 Filed May 20, 2020 23:31 UTC
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 9,676 $5.13 $49,637.88
Disclosure

SEC source: 0001595974-20-000066 · wf-form4_159001745099964.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 418,549

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed May 20, 2020 23:28 UTC
Filip EveSee remarks
SaleCommon Stock 4,130 $5.13 $21,186.90
Disclosure

SEC source: 0001595974-20-000062 · wf-form4_159001728373414.xml · nonDerivative · entry 3

Filip Eve · CIK 0001745181 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,612

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.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 20:51 UTC Amendment
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 54,239 $5.13 $278,246.07
Disclosure

SEC source: 0001595974-20-000080 · wf-form4a_159139027395107.xml · nonDerivative · entry 3

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,654,989

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.

F5 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 16:52 UTC Amendment
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 11,261 $5.13 $57,768.93
Disclosure

SEC source: 0001595974-20-000084 · wf-form4a_159139036003402.xml · nonDerivative · entry 3

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 412,378

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.

F4 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting of restricted stock units

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 16:52 UTC Amendment
Kershaw ThomasChief Technology Officer
SaleCommon Stock 21,124 $5.13 $108,366.12
Disclosure

SEC source: 0001595974-20-000083 · wf-form4a_159139033844899.xml · nonDerivative · entry 3

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 613,609

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.

F4 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 16:53 UTC Amendment
Tuller BlimaChief Accounting Officer
SaleCommon Stock 5,377 $5.13 $27,584.01
Disclosure

SEC source: 0001595974-20-000085 · wf-form4a_159139038096742.xml · nonDerivative · entry 3

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,402

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.

F4 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 20:52 UTC Amendment
Filip EveSee remarks
SaleCommon Stock 4,661 $5.13 $23,910.93
Disclosure

SEC source: 0001595974-20-000082 · wf-form4a_159139031687957.xml · nonDerivative · entry 3

Filip Eve · CIK 0001745181 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 144,081

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.

F5 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 20:51 UTC Amendment SaleCommon Stock 14,607 $5.13 $74,933.91
Disclosure

SEC source: 0001595974-20-000081 · wf-form4a_159139029507069.xml · nonDerivative · entry 3

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353,716

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.

F4 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.06 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 herein.

Read SEC document
May 20, 2020 Filed Jun 5, 2020 20:43 UTC Amendment
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 10,900 $5.13 $55,917.00
Disclosure

SEC source: 0001595974-20-000079 · wf-form4a_159138980160064.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 417,325

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.

F4 · shares: Amended to reflect the correct number of shares sold on behalf of the reporting person pursuant to an arrangement mandated by the Issuer to cover tax withholding obligations associated with the vesting ofrestricted stock units

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.24, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed May 20, 2020 23:31 UTC
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 38,630 $5.23 $202,034.90
Disclosure

SEC source: 0001595974-20-000067 · wf-form4_159001748238298.xml · nonDerivative · entry 2

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,709,228

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed May 20, 2020 19:29 UTC
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 8,010 $5.23 $41,892.30
Disclosure

SEC source: 0001595974-20-000064 · wf-form4_159001737707695.xml · nonDerivative · entry 2

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 423,639

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed May 20, 2020 19:30 UTC
Kershaw ThomasChief Technology Officer
SaleCommon Stock 15,039 $5.23 $78,653.97
Disclosure

SEC source: 0001595974-20-000065 · wf-form4_159001741540429.xml · nonDerivative · entry 2

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 634,733

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed May 20, 2020 19:32 UTC
Tuller BlimaChief Accounting Officer
SaleCommon Stock 3,823 $5.23 $19,994.29
Disclosure

SEC source: 0001595974-20-000068 · wf-form4_159001751147240.xml · nonDerivative · entry 2

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,779

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed May 20, 2020 23:29 UTC SaleCommon Stock 10,397 $5.23 $54,376.31
Disclosure

SEC source: 0001595974-20-000063 · wf-form4_159001734572103.xml · nonDerivative · entry 2

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 368,323

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 herein.

Read SEC document
May 19, 2020 Filed May 20, 2020 23:31 UTC
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 7,758 $5.23 $40,574.34
Disclosure

SEC source: 0001595974-20-000066 · wf-form4_159001745099964.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 428,225

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed May 20, 2020 23:28 UTC
Filip EveSee remarks
SaleCommon Stock 3,312 $5.23 $17,321.76
Disclosure

SEC source: 0001595974-20-000062 · wf-form4_159001728373414.xml · nonDerivative · entry 2

Filip Eve · CIK 0001745181 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,742

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed Jun 5, 2020 20:51 UTC Amendment
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 38,630 $5.23 $202,034.90
Disclosure

SEC source: 0001595974-20-000080 · wf-form4a_159139027395107.xml · nonDerivative · entry 2

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,709,228

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 19, 2020 Filed Jun 5, 2020 16:52 UTC Amendment
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 8,010 $5.23 $41,892.30
Disclosure

SEC source: 0001595974-20-000084 · wf-form4a_159139036003402.xml · nonDerivative · entry 2

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 423,639

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed Jun 5, 2020 16:52 UTC Amendment
Kershaw ThomasChief Technology Officer
SaleCommon Stock 15,039 $5.23 $78,653.97
Disclosure

SEC source: 0001595974-20-000083 · wf-form4a_159139033844899.xml · nonDerivative · entry 2

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 634,733

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed Jun 5, 2020 16:53 UTC Amendment
Tuller BlimaChief Accounting Officer
SaleCommon Stock 3,823 $5.23 $19,994.29
Disclosure

SEC source: 0001595974-20-000085 · wf-form4a_159139038096742.xml · nonDerivative · entry 2

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,779

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed Jun 5, 2020 20:52 UTC Amendment
Filip EveSee remarks
SaleCommon Stock 3,312 $5.23 $17,321.76
Disclosure

SEC source: 0001595974-20-000082 · wf-form4a_159139031687957.xml · nonDerivative · entry 2

Filip Eve · CIK 0001745181 · See remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,742

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 19, 2020 Filed Jun 5, 2020 20:51 UTC Amendment SaleCommon Stock 10,397 $5.23 $54,376.31
Disclosure

SEC source: 0001595974-20-000081 · wf-form4a_159139029507069.xml · nonDerivative · entry 2

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 368,323

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 herein.

Read SEC document
May 19, 2020 Filed Jun 5, 2020 20:43 UTC Amendment
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 7,758 $5.23 $40,574.34
Disclosure

SEC source: 0001595974-20-000079 · wf-form4a_159138980160064.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 428,225

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.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.08 to $5.39, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 18, 2020 Filed May 20, 2020 23:31 UTC
BARRETT MICHAEL G.Director · CEO
SaleCommon Stock 41,409 $5.43 $224,850.87
Disclosure

SEC source: 0001595974-20-000067 · wf-form4_159001748238298.xml · nonDerivative · entry 1

BARRETT MICHAEL G. · CIK 0001100612 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,747,858

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to $5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

F3 · balance_after: Adjusted to reflect the acquisition of 3090 shares under The Rubicon Project, Inc. 2014 Employee Stock Purchase Plan on May 15, 2020

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May 18, 2020 Filed May 20, 2020 19:29 UTC
Prusz Joseph RGlobal Chief Revenue Officer
SaleCommon Stock 8,586 $5.43 $46,621.98
Disclosure

SEC source: 0001595974-20-000064 · wf-form4_159001737707695.xml · nonDerivative · entry 1

Prusz Joseph R · CIK 0001721039 · Global Chief Revenue Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 431,649

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to 5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 18, 2020 Filed May 20, 2020 19:30 UTC
Kershaw ThomasChief Technology Officer
SaleCommon Stock 16,122 $5.43 $87,542.46
Disclosure

SEC source: 0001595974-20-000065 · wf-form4_159001741540429.xml · nonDerivative · entry 1

Kershaw Thomas · CIK 0001686179 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 649,772

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to $5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 18, 2020 Filed May 20, 2020 19:32 UTC
Tuller BlimaChief Accounting Officer
SaleCommon Stock 4,099 $5.43 $22,257.57
Disclosure

SEC source: 0001595974-20-000068 · wf-form4_159001751147240.xml · nonDerivative · entry 1

Tuller Blima · CIK 0001412316 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 164,602

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to $5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.

Read SEC document
May 18, 2020 Filed May 20, 2020 23:29 UTC SaleCommon Stock 11,146 $5.43 $60,522.78
Disclosure

SEC source: 0001595974-20-000063 · wf-form4_159001734572103.xml · nonDerivative · entry 1

Day David · CIK 0001523288 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 378,720

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to $5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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 herein.

Read SEC document
May 18, 2020 Filed May 20, 2020 23:31 UTC
Soroca Adam LeeHead of Global Buyer Team
SaleCommon Stock 8,317 $5.43 $45,161.31
Disclosure

SEC source: 0001595974-20-000066 · wf-form4_159001745099964.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 435,983

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 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.31 to $5.63, inclusive. The reporting person undertakes to provide The Rubicon Project, Inc., any security holder of The Rubicon Project, Inc., 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.