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SCHEDULE Filed 2026-01-13 Event 2025-12-15 SEC 0001437749-26-001214 →

Stagwell Group LLC Stagwell Inc STGW

Stake: 11.60% Shares: 29,368,697 CUSIP: 85256A109 Class: Class A Common Stock

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following: On December 15, 2025, Mark J. Penn transferred 2,000,000 shares of Class A Common Stock to Stagwell Group in order to correct a distribution of shares by Stagwell Group to Mark J. Penn on July 17, 2025.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
5 13D/G filings on this issuer
4 other filings besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-03-31
DTC 7.47
11,467,790 shares short · +11.4% vs prior

Other 13D/G Filings on Stagwell Inc

FiledFormFilerStakeShares
2025-04-02 SCHEDULE Stagwell Group LLC 57.90% 153,954,662 view →
2021-06-09 SC Indaba Capital Management, L.P. view →
2021-06-07 SC Stagwell Agency Holdings LLC view →
2021-04-23 SC GOLDMAN SACHS GROUP INC view →

Other Filings by Stagwell Group LLC

FiledFormIssuerStakeShares
2025-04-02 SCHEDULE Stagwell Inc STGW 57.90% 153,954,662 view →

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