WPP Insider Wilson Files Form 4 on Ownership Changes

TL;DR

**WPP insider Rosemary Joanne Wilson filed a Form 4, updating her ownership disclosure.**

AI Summary

Rosemary Joanne Wilson, a reporting insider for WPP plc, filed a Form 4 on March 24, 2026, indicating changes in her beneficial ownership of WPP securities as of March 20, 2026. This filing is a routine disclosure required by the SEC for company insiders, and while it doesn't detail specific transactions, it signals that Ms. Wilson's holdings have been updated. For investors, this matters because insider activity can sometimes provide clues about a company's future prospects, though this particular filing is more administrative.

Why It Matters

This filing provides transparency into an insider's holdings, which can be a signal for investors, though this specific filing is administrative and lacks transaction details.

Risk Assessment

Risk Level: low — This is a routine administrative filing and does not inherently indicate a high level of risk or opportunity.

Analyst Insight

Investors should note this as a routine compliance filing. Without transaction details, it offers no immediate actionable insight beyond confirming an insider's ongoing reporting obligations.

Key Numbers

• 2026-03-24 — Filing Date (The date the Form 4 was submitted to the SEC)
• 2026-03-20 — Period of Report (The date to which the reported ownership changes pertain)
• 0000806968 — WPP plc CIK (The Central Index Key for WPP plc)
• 0002120086 — Rosemary Joanne Wilson CIK (The Central Index Key for the reporting person)

Key Players & Entities

• Wilson Rosemary Joanne (person) — Reporting insider for WPP plc
• WPP plc (company) — The issuer of the securities
• SEC (company) — The regulatory body requiring the filing

Forward-Looking Statements

• Rosemary Joanne Wilson will continue to be a reporting insider for WPP plc. (Wilson Rosemary Joanne) — high confidence, target: 2027-03-24

FAQ

Filing Documents

• wk-form4_1774399290.html (4)
• wk-form4_1774399290.xml (4) — 7KB
• form3poawilson.htm (EX-24) — 1KB
• form3poawilson001.jpg (GRAPHIC) — 196KB
• form3poawilson002.jpg (GRAPHIC) — 163KB
• form3poawilson003.jpg (GRAPHIC) — 61KB
• form3poawilson004.jpg (GRAPHIC) — 45KB
• 0000806968-26-000036.txt ( ) — 651KB

From the Filing

SEC FORM 4 SEC Form 4 FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5    Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).    Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. 1. Name and Address of Reporting Person * Wilson Rosemary Joanne (Last) (First) (Middle) SEA CONTAINERS 18 UPPER GROUND (Street) LONDON SE1 9GL (City) (State) (Zip) UNITED KINGDOM (Country) 2. Issuer Name and Ticker or Trading Symbol WPP plc [ WPP ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner X Officer (give title below) Other (specify below) Chief Financial Officer 2a. Foreign Trading Symbol [ WPP ] 3. Date of Earliest Transaction (Month/Day/Year) 03/20/2026 6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person 4. If Amendment, Date of Original Filed (Month/Day/Year) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Conditional Award over shares (2025 ESA) (1) 03/20/2026 A 84,257 (1) (1) Ordinary Shares 84,257 (1) 84,257 D Conditional Award of Shares (2026 EPSP) (2) 03/20/2026 A 979,381 (2) (2) Ordinary Shares 979,381 (2) 979,381 D Explanation of Responses: 1. Represents Executive Share Award (ESA) granted on March 20, 2026, in the form of a conditional award over 84,257 ordinary shares. This ESA is scheduled to vest on March 10, 2028, subject to the rules of the WPP Stock Plan 2018. The conditional share award represents a contingent right to receive the number of WPP ordinary shares specified in that award on the designated vesting date(s) subject to the rules of the relevant plan. 2. Represents a conditional award over a maximum of 979,381 ordinary shares made under the Executive Performance Share Plan (EPSP) on March 20, 2026. The conditional share award represents a contingent right to receive the number of WPP ordinary shares specified in that award on the designated vesting date(s) subject to the rules of the relevant plan and WPP's performance as set out in the WPP 2025 Annual Report. Remarks: Exhibit List Exhibit 24 - Power of Attorney /s/ Mariana Ljuljdjuraj, pursuant to Power of Attorney for Rosemary Joanne Wilson 03/24/2026 ** Signature of Reporting Person Date Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. * If the form is filed by more than one reporting person, see Instruction 4 (b)(v). ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. * Form 4: SEC 1474 (03-26)

View Full Filing

View this 4 filing on SEC EDGAR