What is KPTI's dilution risk score?

KPTI has a latest available DilutionScore record of 81/100, categorized as critical dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for KPTI, including shelf registrations, ATM offerings, warrant exercises, PIPE deals, and reverse split signals when detected in source data.

What SEC filings does DilutionWatch track for KPTI?

DilutionWatch tracks 25 SEC filing types for KPTI including S-3 shelf registrations, 424B prospectuses (ATM offerings), S-1 registration statements, 8-K material events, warrant exercise notices, convertible note agreements, and Form 4 insider transactions. Alerts are delivered via email within minutes of a filing appearing on EDGAR.

How does stock dilution affect KPTI shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For KPTI, common dilution events include at-the-market (ATM) stock offerings, shelf registration drawdowns, warrant exercises, and convertible note conversions. Each event increases the share count and can pressure the stock price lower.

Is DilutionWatch free for KPTI tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for KPTI. Premium plans ($19.95/month Basic, $39.95/month Premium) unlock real-time email alerts, the full Pulse™ feed, advanced dilution forecasts, and access to all 10,000+ tracked tickers.

KPTI Dilution Risk Score: 81/100 (CRITICAL)

Score Breakdown

📋 Offering Ability

💰 Cash Runway

📊 Float Risk

⚠️ Warrant Exposure

🔄 Convertible Debt

Dilution Forecast

⛈️

Warning

High probability of dilution event

model est. 51%

📜 Warrant Exercise model 60%

• Massive warrant overhang: 80% of shares outstanding

• Warrant risk score very high (90/100)

🔁 Convertible Conversion model 60%

• Major convertible overhang: 66% potential dilution

• Convertible risk score very high (85/100)

📉 Score Deterioration model 15%

• Score already CRITICAL (81/100) — events likely imminent

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Market Data

Market Cap$11.45M

Shares Outstanding22.68M

Float14.70M

Cash$148.40M

Debt$169.29M

Short InterestN/A

Source-Backed Evidence Depth

This public preview uses stored DilutionWatch fields and linked SEC/market records only. Missing values are not estimated.

Field	Current Value	Basis
DilutionScore	81/100	DilutionWatch score record
Shares Outstanding	22.68M	Verified float table or market cache
Public Float	14.70M	Verified float table or market cache
Market Cap	$11.45M	Market data cache
Cash Runway	14.3 months	DilutionWatch score inputs
Shelf Capacity	None in current score inputs	SEC-derived dilution fields
ATM Capacity	None in current score inputs	SEC-derived dilution fields
Outstanding Warrants	18.05M	SEC-derived dilution fields

Recent source-backed SEC insight records available on this page: 7.

Recent SEC source mix: 4 4, 8-K 1, XBRL 2.

The page does not infer future share issuance, financing probability, cash needs, management intent, or price impact when source fields are absent.

Institutional Holdings

QoQ: ↑ 151.6% shares (2026Q1 vs prior)

84 institutional holders · 27.62M shares

#1 Ikarian Capital, LLC 2.57M shares

#2 Commodore Capital LP 1.95M shares

#3 RA CAPITAL MANAGEMENT, L.P. 1.92M shares

+ 17 more holders Sign up free to view →

Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.

Short Interest

Short Interest6.06M

Days to Cover4.8

% of Float41.2%

FINRA data as of Sep 30, 2026

Recent SEC Activity

xbrl XBRL WARRANT 2026-08-13

xbrl XBRL CONVERTIBLE 2026-02-13

8-K 8K EVENT 2026-03-24

4 INSIDER TRANSACTION 2026-03-03

Full SEC filing analysis available with free account →

Recent News

No recent news available for this ticker.

Factual KPTI Dilution Snapshot

Karyopharm Therapeutics Inc. (KPTI) has a DilutionScore of 81/100, rated Critical dilution risk. Score date: October 13, 2026.

Stored outstanding warrants: 18.0M.
Recent SEC activity tracked for KPTI: xbrl on 2026-08-13; 8-K on 2026-03-24; 4 on 2026-03-03.

This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.

DilutionScore History — Last 90 Days

KPTI's DilutionScore is currently 81/100 (Critical risk), with 3 score changes tracked over 89 days. The score improved from 74/100 (High risk).

Period	Score	Risk Level	Duration
Sep 28 – Oct 13, 2026	81/100	CRITICAL	16 days
Aug 22 – Sep 27, 2026	74/100	HIGH	37 days
Aug 14 – Aug 21, 2026	68/100	HIGH	7 days
Jul 16 – Aug 13, 2026	74/100	HIGH	29 days

Score recalculated daily from SEC filings and market data. Sign up free for real-time score change alerts.

Share Dilution History

KPTI shares outstanding have increased 23.5% from 18.34M (Mar 2026) to 22.66M (May 2026). Each increase represents potential dilution to existing shareholders.

Date	Shares Outstanding	Public Float	Change
May 31, 2026	22.66M	14.70M	▼ 3.42%
May 22, 2026	22.66M	15.22M	▼ 15.94%
May 16, 2026	22.66M	18.10M	▲ 20.01%
Apr 07, 2026	22.54M	15.08M	▼ 17.26%
Apr 01, 2026	22.54M	18.23M	▲ 5.56%
Mar 27, 2026	19.62M	17.27M	▲ 6.18%
Mar 14, 2026	18.34M	16.27M	▼ 0.24%

Share counts sourced from verified regulatory filings. Increases indicate dilution events.

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