Companies: 10,795·Total market cap: $144.5T
Insmed Incorporated

Insmed Incorporated

INSMNASDAQHealthcare● Active
$95.14
+$0.92(+0.98%)
Market Cap$20.6B
P/E Ratio—
52W High$212.75
52W Low$70.57
Overview

Insmed Incorporated (INSM) Stock Splits

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

FMP · INSM · as of Jun 8, 2026

Key split metrics

Total Splits2Since IPO (Jun 1, 2000)
Most Recent SplitMar 3, 2011Reverse · 1-for-10
Cumulative Multiple×0.02501 share (2000) → 0.0250 shares today

Latest Split Event

Reverse Split
Mar 3, 2011
BEFORE SPLIT$0.5000Closing price · Mar 2, 2011
1-for-10
AFTER SPLIT$5.39Opening price · Mar 3, 2011
Every 10 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

INSM · 2 records
Date↓RatioTypeMultiple↕Cumulative↕
Mar 3, 20111-for-10Reverse×0.100×0.025
Jul 31, 20001-for-4Reverse×0.250×0.250
2 splits since IPO · Jun 1, 2000Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

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

ORIGINAL SHARES100
→
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period—
Splits applied:No splits occurred after this date
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

Insmed Incorporated (INSM) has undergone 2 reverse stock splits. The most recent was a 1-for-10 reverse split on Mar 3, 2011. Reverse splits consolidate shares to increase the per-share price.

Price historyShares outstandingFinancialsEarningsMarket capForecast

Frequently asked questions

Insmed Incorporated (INSM) has undergone 2 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

INSM reverse stock split historyhow many reverse splits for INSMINSM stock split countcumulative split multiple
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.