Public Storage (PSA) 4: WILLIAMS PAUL S sold 6,000 shares of AO LTIP Units at $N/A… (Mar 3, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-02 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: Public Storage (PSA) CIK: 0001393311 --- Reporting Owner --- Name: WILLIAMS PAUL S CIK: 0001236458 Role: Director --- Derivative Transactions --- [Transaction #1] Security: AO LTIP Units Date: 2026-03-02 | Code: M (Exercise of derivative) Shares: -6,000 Exercisable: N/A | Expires: 2030-12-31 Shares Owned After: 9,491 | Ownership: D (Direct) Footnotes: [F1] On March 5, 2024, the reporting person exchanged an option to purchase 15,491 common shares of beneficial interest, par value $0.01 per share ("Common Shares"), of Public Storage (the "Company") for 15,491 limited partnership units in Public Storage OP, L.P. designated as AO LTIP Units ("AO LTIP Units"). AO LTIP Units are similar to "net exercise" stock option awards and are convertible, once vested, into a number of vested limited partnership units of Public Storage OP, L.P. designated as LTIP Units ("LTIP Units"), determined by the quotient of (i) the excess of the value of a Common Share as of the date of the conversion over $223.61, divided by (ii) the value of a Common Share as of the date of conversion. Vested LTIP Units into which AO LTIP Units have been converted are further convertible, [footnote continued] [F2] [Continued from footnote] conditioned upon minimum allocations to the capital accounts of the LTIP Units for U.S. federal income tax purposes, into an equal number of limited partnership units in Public Storage OP, L.P. ("OP Units"). The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Company's option. [F1] On March 5, 2024, the reporting person exchanged an option to purchase 15,491 common shares of beneficial interest, par value $0.01 per share ("Common Shares"), of Public Storage (the "Company") for 15,491 limited partnership units in Public Storage OP, L.P. designated as AO LTIP Units ("AO LTIP Units"). AO LTIP Units are similar to "net exercise" stock option awards and are convertible, once vested, into a number of vested limited partnership units of Public Storage OP, L.P. designated as LTIP Units ("LTIP Units"), determined by the quotient of (i) the excess of the value of a Common Share as of the date of the conversion over $223.61, divided by (ii) the value of a Common Share as of the date of conversion. Vested LTIP Units into which AO LTIP Units have been converted are further convertible, [footnote continued] [F2] [Continued from footnote] conditioned upon minimum allocations to the capital accounts of the LTIP Units for U.S. federal income tax purposes, into an equal number of limited partnership units in Public Storage OP, L.P. ("OP Units"). The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Company's option. [F1] On March 5, 2024, the reporting person exchanged an option to purchase 15,491 common shares of beneficial interest, par value $0.01 per share ("Common Shares"), of Public Storage (the "Company") for 15,491 limited partnership units in Public Storage OP, L.P. designated as AO LTIP Units ("AO LTIP Units"). AO LTIP Units are similar to "net exercise" stock option awards and are convertible, once vested, into a number of vested limited partnership units of Public Storage OP, L.P. designated as LTIP Units ("LTIP Units"), determined by the quotient of (i) the excess of the value of a Common Share as of the date of the conversion over $223.61, divided by (ii) the value of a Common Share as of the date of conversion. Vested LTIP Units into which AO LTIP Units have been converted are further convertible, [footnote continued] [F2] [Continued from footnote] conditioned upon minimum allocations to the capital accounts of the LTIP Units for U.S. federal income tax purposes, into an equal number of limited partnership units in Public Storage OP, L.P. ("OP Units"). The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Company's option. [F1] On March 5, 2024, the reporting person exchanged an option to purchase 15,491 common shares of beneficial interest, par value $0.01 per share ("Common Shares"), of Public Storage (the "Company") for 15,491 limited partnership units in Public Storage OP, L.P. designated as AO LTIP Units ("AO LTIP Units"). AO LTIP Units are similar to "net exercise" stock option awards and are convertible, once vested, into a number of vested limited partnership units of Public Storage OP, L.P. designated as LTIP Units ("LTIP Units"), determined by the quotient of (i) the excess of the value of a Common Share as of the date of the conversion over $223.61, divided by (ii) the value of a Common Share as of the date of conversion. Vested LTIP Units into which AO LTIP Units have been converted are further convertible, [footnote continued] [F2] [Continued from footnote] conditioned upon minimum allocations to the capital accounts of the LTIP Units for U.S. federal income tax purposes, into an equal number of limited partnership units in Public Storage OP, L.P. ("OP Units"). The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Company's option. [Transaction #2] Security: LTIP Units Date: 2026-03-02 | Code: M (Exercise of derivative) Shares: +1,685.15 | Price: $0.00 Shares Owned After: 1,685.15 | Ownership: D (Direct) Footnotes: [F3] Common Shares are issued upon the redemption of OP Units on a one for one basis. OP Units have no expiration date. [F3] Common Shares are issued upon the redemption of OP Units on a one for one basis. OP Units have no expiration date. [F3] Common Shares are issued upon the redemption of OP Units on a one for one basis. OP Units have no expiration date. --- Footnotes (Complete Index) --- F1: On March 5, 2024, the reporting person exchanged an option to purchase 15,491 common shares of beneficial interest, par value $0.01 per share ("Common Shares"), of Public Storage (the "Company") for 15,491 limited partnership units in Public Storage OP, L.P. designated as AO LTIP Units ("AO LTIP Units"). AO LTIP Units are similar to "net exercise" stock option awards and are convertible, once vested, into a number of vested limited partnership units of Public Storage OP, L.P. designated as LTIP Units ("LTIP Units"), determined by the quotient of (i) the excess of the value of a Common Share as of the date of the conversion over $223.61, divided by (ii) the value of a Common Share as of the date of conversion. Vested LTIP Units into which AO LTIP Units have been converted are further convertible, [footnote continued] F2: [Continued from footnote] conditioned upon minimum allocations to the capital accounts of the LTIP Units for U.S. federal income tax purposes, into an equal number of limited partnership units in Public Storage OP, L.P. ("OP Units"). The resulting OP Units are redeemable by the holder for one Common Share per OP Unit or the cash value of a Common Share, at the Company's option. F3: Common Shares are issued upon the redemption of OP Units on a one for one basis. OP Units have no expiration date. --- Signature --- /s/ /s/ Steven C. Babinski, Attorney-in-Fact (2026-03-03)