SCHEDULE Filed 2025-03-24 Event 2025-03-21 SEC 0000078003-25-000079 →

PFIZER INC → Haleon plc HLNCF

Stake: — Shares: — CUSIP: 405552100 Class: Ordinary Shares, nominal value GBP0.01 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 25/100 · Filer 90d Win Rate: 0% · Hist. 90d Edge: +0.0%

Filer track record (4 filings): 0% 90d win rate, +0.0% 90d edge
Held by 1 tracked 13F institutional manager
4 NPORT-P mutual funds holding CUSIP
Elevated short days-to-cover (239.1 DTC)
Short interest building (+27.2% vs prior settlement)

Item 4 — Purpose of Transaction

The last sentence of Item 4 of the Schedule 13D is hereby superseded as follows: Following the closing of the March 2025 Secondary Offering and the March 2025 Share Buyback (each as defined in Item 6), Pfizer ceased to beneficially own Ordinary Shares of the Issuer.

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

8 13D/G filings on this issuer

7 other filings besides this one

Filer Track Record

13 filings by this filer

12 other filings in the data moat

Short Interest · settle 2026-10-15

DTC 239.10

4,914,325 shares short · +27.2% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers

1 holder · $47.92M

Point72 Asset Mgmt

Post-Filing Returns · since 2025-03-21 on HLNCF

+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 4.84 on closest trading day on/after 2025-03-21. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Other 13D/G Filings on Haleon plc

Filed	Form	Filer	Stake	Shares
2025-02-27	SCHEDULE	PFIZER INC	7.30%	661,709,764	view →
2025-01-21	SCHEDULE	PFIZER INC	7.30%	661,709,764	view →
2025-01-16	SCHEDULE	PFIZER INC	15.00%	1,361,709,764	view →
2024-10-03	SC	PFIZER INC	—	—	view →
2024-10-01	SC	PFIZER INC	—	—	view →
2023-10-10	SC	GSK plc	—	—	view →
2023-10-10	SC	PFIZER INC	—	—	view →

Other Filings by PFIZER INC

Filed	Form	Issuer	Stake	Shares
2026-10-16	SCHEDULE 13G	PFIZER INC	—	—	view →
2025-02-27	SCHEDULE	Haleon plc HLNCF	7.30%	661,709,764	view →
2025-01-21	SCHEDULE	Haleon plc HLNCF	7.30%	661,709,764	view →
2025-01-16	SCHEDULE	Haleon plc HLNCF	15.00%	1,361,709,764	view →
2024-10-03	SC	Haleon plc HLNCF	—	—	view →
2024-10-01	SC	Haleon plc HLNCF	—	—	view →
2024-01-29	SC	Longboard Pharmaceuticals, Inc.	—	—	view →
2024-01-10	SC	Longboard Pharmaceuticals, Inc.	—	—	view →
2023-10-10	SC	Haleon plc HLNCF	—	—	view →
2021-09-17	SC	Allogene Therapeutics, Inc. ALLO	—	—	view →
2021-09-17	SC	Cerevel Therapeutics Holdings, Inc.	—	—	view →
2021-07-09	SC	Cerevel Therapeutics Holdings, Inc.	—	—	view →

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