GSK plc (GSK) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · GSK · as of Jun 5, 2026

Key split metrics

Total Splits5Since IPO (Mar 28, 1980)

Most Recent SplitJul 22, 2022Reverse · 4-for-5

Cumulative Multiple×12.801 share (1980) → 12.80 shares today

Latest Split Event

Reverse Split

Jul 22, 2022

BEFORE SPLIT$33.58Closing price · Jul 21, 2022

4-for-5

AFTER SPLIT$41.95Opening price · Jul 22, 2022

Every 5 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

GSK · 5 records

Date↓	Ratio	Type	Multiple↕	Cumulative↕
Jul 22, 2022	4-for-5	Reverse	×0.800	×12.80
Nov 12, 1991	2-for-1	Forward	×2	×16
Jan 27, 1986	2-for-1	Forward	×2	×8
Feb 22, 1983	2-for-1	Forward	×2	×4
Feb 13, 1980	2-for-1	Forward	×2	×2

5 splits since IPO · Mar 28, 1980Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of GSK on Jan 1, 2020 — — how many shares would you hold today after all splits?

Purchase Date

Shares Purchased

ORIGINAL SHARES100

→

SHARES TODAY80

Splits Applied1

Total Multiplier×0.80

Split Period2022

Splits applied:Jul 22, 2022 · 4-for-5

Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About reverse stock split history

GSK plc (GSK) has undergone 5 reverse stock splits. The most recent was a 4-for-5 reverse split on Jul 22, 2022. Reverse splits consolidate shares to increase the per-share price.

Price history Shares outstanding Financials Earnings Market cap Forecast

Frequently asked questions

GSK plc (GSK) has undergone 5 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

GSK reverse stock split historyhow many reverse splits for GSKGSK stock split countcumulative split multiple

Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.