Company: JLL
Filing Date: 2025-05-21
Form Type: S-8
Source: 0001037976-25-000033
Chunk: 1

Company: JONES LANG LASALLE INC
Filing Date: 2025-05-21
Form: S-8
Chunk 1
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 the Securities Act. ☐

# Part I
<div align='center'>Information Required in the Section 10(a) Prospectus</div>

All information required by Part I to be contained in the prospectus is omitted from this Registration Statement in accordance with the explanatory note to Part I of Form S-8 and Rule 428 under the Securities Act of 1933, as amended (the “Securities Act”). This Registration Statement is being filed by Jones Lang LaSalle Incorporated, a Maryland corporation (the “Registrant”), for the purpose of registering 389,000 shares of common stock, par value $0.01 per share (the “JLL Common Stock”), that were reserved, in the aggregate, for issuance under Jones Lang LaSalle Incorporated Fourth Amended and Restated 2019 Stock Award and Incentive Plan (the “Fourth Amended and Restated 2019 Plan”). Documents containing the information required by Part I of the Registration Statement will be sent or given to plan participants as specified by Rule 428(b)(1) under the Securities Act.

# Part II

#### Information Required in Registration Statement
| Item 3. |     | Incorporation of Documents by Reference. |

The following documents previously filed by the Registrant with the Commission are incorporated by reference into this Registration Statement:

(1) The Registrant’s Annual Report on Form 10-K for the fiscal year ended December 31, 202 4 , filed with the Commission on February 19, 2025;

(2) The Registrant’s Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2025 , filed with Commission on May 7, 2025;

(3) The Registrant’s Current Report on Form 8-K , including any amendments thereto, filed with the Commission on May 21, 2025; and

(4) The description of the Common Stock contained in the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2019 , filed with the Commission on February 27, 2020 (File No. 001-13145), including any amendment or report for the purpose of updating such description.

All documents subsequently filed by the Registrant with the Commission pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), after the date of this Registration Statement and prior to the filing