SCHEDULE 13D/A 0001725159 XXXXXXXX LIVE 4 Common Stock, par value $0.01 per share 09/03/2025 false 0001579877 69007J106 OUTFRONT Media Inc.

90 Park Avenue 9th Floor New York NY 10016

Morgan Hayes 212-909-6983 Debevoise & Plimpton LLP 66 Hudson Blvd E New York NY 10001 0001725159 N Providence Equity Partners VIII-A L.P. b OO N E9 0.00 2446728.00 0.00 2446728.00 2446728.00 N 1.5 PN Row 13 - The ownership percentage set forth herein for Providence Equity Partners VIII-A L.P.. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810760 N PEP VIII International Ltd. b OO N E9 0.00 8913813.00 0.00 8913813.00 8913813.00 N 5.3 OO Row 13 - The ownership percentage set forth herein for PEP VIII International Ltd. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810782 N Providence Equity GP VIII L.P. b OO N E9 0.00 8913813.00 0.00 8913813.00 8913813.00 N 5.3 PN Row 13 - The ownership percentage set forth herein for Providence Equity GP VIII L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810771 N PEP VIII (Scotland) International Ltd. b OO N E9 0.00 36920.00 0.00 36920.00 36920.00 N 0.1 OO Row 13 - The ownership percentage set forth herein for PEP VIII (Scotland) International Ltd. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810789 N Providence Equity GP VIII (Scotland) L.P. b OO N DE 0.00 36920.00 0.00 36920.00 36920.00 N 0.1 PN Row 13 - The ownership percentage set forth herein for Providence Equity GP VIII (Scotland) L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001745696 N Providence Equity Partners VIII (Scotland) L.P. b OO N X0 0.00 36920.00 0.00 36920.00 36920.00 N 0.1 PN Row 13 - The ownership percentage set forth herein for Providence Equity Partners VIII (Scotland) L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810757 N PEP VIII Intermediate 5 L.P. b OO N DE 0.00 3584358.00 0.00 3584358.00 3584358.00 N 2.1 PN Row 13 - The ownership percentage set forth herein for PEP VIII Intermediate 5 L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810758 N PEP VIII Intermediate 6 L.P. b OO N DE 0.00 1225114.00 0.00 1225114.00 1225114.00 N 0.7 PN Row 13 - The ownership percentage set forth herein for PEP VIII Intermediate 6 L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001810752 N PEP VIII Advertising Co-Investment L.P. b OO N DE 0.00 1620693.00 0.00 1620693.00 1620693.00 N 1.0 PN Row 13 - The ownership percentage set forth herein for PEP VIII Advertising Co-Investment L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823889 N PEP VIII GP LLC b OO N DE 0.00 8913813.00 0.00 8913813.00 8913813.00 N 5.3 OO Row 13 - The ownership percentage set forth herein for PEP VIII GP LLC is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823927 N PEP VIII-A SPV, L.P. b OO N DE 0.00 2446728.00 0.00 2446728.00 2446728.00 N 1.5 PN Row 13 - The ownership percentage set forth herein for PEP VIII-A SPV, L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823928 N PEP VIII (Scotland) SPV, L.P. b OO N DE 0.00 36920.00 0.00 36920.00 36920.00 N 0.1 PN Row 13 - The ownership percentage set forth herein for PEP VIII (Scotland) SPV L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823926 N PEP VIII SPV, L.P. b OO N DE 0.00 3584358.00 0.00 3584358.00 3584358.00 N 2.1 PN Row 13 - The ownership percentage set forth herein for PEP VIII SPV, L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823929 N PEP VIII-A AIV SPV, L.P. b OO N DE 0.00 1225114.00 0.00 1225114.00 1225114.00 N 0.7 PN Row 13 - The ownership percentage set forth herein for PEP VIII-A AIV SPV, L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. 0001823832 N PEP VIII Co-Invest SPV, L.P. b OO N DE 0.00 1620693.00 0.00 1620693.00 1620693.00 N 1.0 PN Row 13 - The ownership percentage set forth herein for PEP VIII Co-Invest SPV, L.P. is calculated based on a total of 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securites and Exchange Commission on August 6, 2025. Common Stock, par value $0.01 per share OUTFRONT Media Inc. 90 Park Avenue 9th Floor New York NY 10016 This Amendment No. 4 to the statement on Schedule 13D amends and supplements the statement on Schedule 13D filed by the Reporting Persons on April 27, 2020, as amended by Amendment No. 1 thereto dated May 8, 2020, Amendment No. 2 thereto dated September 21, 2020 and Amendment No.3 thereto dated March 3, 2022 (the "Original Schedule 13D," and together with this Amendment No. 4, this "Schedule 13D"). Except as amended in Amendment No. 1, Amendment No.2, Amendment No. 3 and this Amendment No. 4, the Original Schedule 13D remains in full force and effect. Terms defined in the Original Schedule 13D are used in this Amendment No. 4 as so defined, unless otherwise defined in this Amendment No. 4. Item 4 of the Original Schedule 13D is hereby supplemented as follows: On September 3, 2025, PEP VIII (Scotland) SPV, L.P., PEP VII Co-Invest SPV, L.P., PEP VIII SPV, L.P., PEP VIII-A AIV SPV, L.P. and PEP VIII-A SPV, L.P. (collectively the "PEP SPVs") sold 34,791 shares, 1,527,273 shares, 3,377,747 shares, 1,154,496 shares and 2,305,693 shares of Common Stock, respectively, for $18.06 per share in an unregistered block trade pursuant to Rule 144 under the Securities Act of 1933, as amended. The information relating to the beneficial ownership of Common Stock by each of the Reporting Persons set forth in Rows 7 through 13 of the cover pages hereto is incorporated by reference herein. The percentages set forth in Row 13 for all cover pages filed herewith are calculated based upon 167,224,576 shares of Common Stock outstanding as of August 5, 2025, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 6, 2025. - PEP VIII-A SPV directly holds 2,446,728 shares of Common Stock or 1.5% of the deemed issued and outstanding shares of Common Stock; - PEP Scotland SPV directly holds 36,920 shares of Common Stock or less than 0.03% of the deemed issued and outstanding shares of Common Stock; - PEP 5 SPV directly holds 3,584,358 shares of Common Stock or 2.1% of the deemed issued and outstanding shares of Common Stock; - PEP 6 SPV directly holds 1,225,114 shares of Common Stock or 0.7% of the deemed issued and outstanding shares of Common Stock; and - PEP Advertising SPV directly holds 1,620,693 shares of Common Stock or 1.0% of the deemed issued and outstanding shares of Common Stock. The Reporting Persons, in the aggregate, beneficially own 8,919,813 shares of Common Stock or 5.3% of the deemed issued and outstanding shares of Common Stock. Additionally, Mr. Michael J Dominguez, who is a director of PEP International and a director of the Issuer, beneficially owns 41,199 shares of Common Stock. Any securities issued to Mr. Dominguez for his service as a director of the Issuer are held by Mr. Domingues for the benefit of funds or entities affiliated with PEP International. PEP International is the sole general partner of PEP GP VIII. PEP GP VIII is the sole general perner of each of the Initial PEP Direct Holders other than PEP Scotland, and the sole member of SPV GP. PEP GP VIII is also the holder of all of the equity interests in PEP Scotland International. PEP Scotland International is the sole general pertner of PEP FP Scotland. PEP GP Scotland is the sole general partner of PEP Scotland. By virtue of such relationships, (i) PEP Scotland International, PEP GP Scotland and PEP Scotland have shared voting and investment control with respect to the 36,920 shares of Common Stock directy held by PEP Scotland SPV and (ii) SPV Gp, PEP GP VIII and PEP International have shared voting and investment control with respect to the 8,913,813 shares of Common Stock directly held in the aggregate by the PEP SPVs. For purposes of Rule 13d-3 under the Act, (i) PEP Scotland, PEP Scotland International and PEP GP Scotland may be deemed to beneficially own less that 0.1% of the deemed issued and outstanding shares of Common Stock and (ii) SPV GP, PEP GP VIII and PEP International may be deemed to beneficially own 8,913,813 shares of Common Stock or 5.3% of the deemed issued and outstanding shares of Common Stock. PEP Intenational, PEP GP VIII, PEP Scotland International, PEP GP Scotland, SPV GP, PEP VIII-A, PEP Scotland, PEP 5, PEP 6 and PEP Advertising each isclain beneficial ownership of the securities referred to in this Amendment No. 4, and the filing of this Amendment No. 4 should not be construed as an admission that any of PEP International, PEP GP VIII, PEP Scotland International, PEP GP Scotland, SPV GP, PEP VIII-A, PEP Scotland, PEP 5, PEP 6 and PEP Advertising is, for the purpose of Schedule 13D, the beneficial owner of any securities covered by this statement. Each of the PEP SPVs disclaims beneficial ownership of the securities held directly by the other PEP SPVs. The information relating to the beneficial ownership of Common Stock by each of the Reporting Persons set forth in Rows 7 through 10 of the cover pages hereto is incorporated by reference herein. Except as disclosed herein, none of the Reporting Persons have, nor, to their knowledge, have any of the Schedule A Persons, effected any transactions during the past sixty (60) days in any securities of the Issuer. Providence Equity Partners VIII-A L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII International Ltd. /s/ Sarah N. Conde 09/05/2025 Providence Equity GP VIII L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII (Scotland) International Ltd. /s/ Sarah N. Conde 09/05/2025 Providence Equity GP VIII (Scotland) L.P. /s/ Sarah N. Conde 09/05/2025 Providence Equity Partners VIII (Scotland) L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII Intermediate 5 L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII Intermediate 6 L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII Advertising Co-Investment L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII GP LLC /s/ Sarah N. Conde 09/05/2025 PEP VIII-A SPV, L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII (Scotland) SPV, L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII SPV, L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII-A AIV SPV, L.P. /s/ Sarah N. Conde 09/05/2025 PEP VIII Co-Invest SPV, L.P. /s/ Sarah N. Conde 09/05/2025