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

22 13D/G filings on this issuer

21 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-07-15

DTC 5.90

8,196,392 shares short · -10.7% vs prior

Post-Filing Returns · since 2025-12-15 on STGW

+1 day

0.0%

+5 days

0.0%

+30 days

0.0%

+60 days

0.0%

+90 days

0.0%

+180 days

0.0%

Anchor price 7.70 on closest trading day on/after 2025-12-15. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Stagwell Inc

Filed	Form	Filer	Stake	Shares
2025-07-21	SCHEDULE	Stagwell Group LLC	11.60%	31,118,697	view →
2025-04-02	SCHEDULE	Stagwell Group LLC	57.90%	153,954,662	view →
2023-06-13	SC	AlpInvest Partners B.V.	—	—	view →
2023-03-16	SC	GOLDMAN SACHS GROUP INC	—	—	view →
2023-03-14	SC	Stagwell Agency Holdings LLC	—	—	view →
2022-02-07	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-11-10	SC	GOLDMAN SACHS GROUP INC	—	—	view →
2021-10-07	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-08-06	SC	GOLDMAN SACHS GROUP INC	—	—	view →
2021-08-04	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-07-16	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-07-13	SC	GOLDMAN SACHS GROUP INC	—	—	view →
2021-07-09	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-06-29	SC	Stagwell Agency Holdings LLC	—	—	view →
2021-06-14	SC	Stagwell Agency Holdings LLC	—	—	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 →
2020-06-26	SC	Stagwell Agency Holdings LLC	—	—	view →
2019-03-19	SC	GOLDMAN SACHS GROUP INC	—	—	view →

Showing 20 of 21

Other Filings by Stagwell Group LLC

Filed	Form	Issuer	Stake	Shares
2025-07-21	SCHEDULE	Stagwell Inc STGW	11.60%	31,118,697	view →
2025-04-02	SCHEDULE	Stagwell Inc STGW	57.90%	153,954,662	view →

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