What is SEPN's dilution risk score?

SEPN has a latest available DilutionScore record of 29/100, categorized as medium dilution risk by the DilutionWatch scoring model. DilutionWatch displays SEC filing and dilution indicators for SEPN, 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 SEPN?

DilutionWatch tracks 25 SEC filing types for SEPN 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 SEPN shareholders?

Stock dilution occurs when a company issues new shares, reducing the ownership percentage of existing shareholders. For SEPN, 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 SEPN tracking?

DilutionWatch provides a free tier that shows DilutionScores and basic filing history for SEPN. 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.

SEPN Dilution Risk Score: 29/100 (MEDIUM)

Score Breakdown

📋 Offering Ability

40

💰Cash Runway—

📊 Float Risk

45

⚠️ Warrant Exposure

40

🔄 Convertible Debt

40

Dilution Forecast

☀️

Clear

No significant dilution signals

model est. 0%

No significant dilution signals detected for SEPN.

🔔 Track SEPN — Get forecast alerts →

Market Data

Market Cap$1.36B

Shares Outstanding46.68M

Float23.12M

Cash$372.32M

Debt$23.09M

Short InterestN/A

Institutional Holdings

QoQ: ↑ 11.2% shares (2026Q1 vs prior)

125 institutional holders · 52.39M shares

#1 RA CAPITAL MANAGEMENT, L.P. 7.00M shares

#2 TRV GP V, LLC 6.22M shares

#3 GOLDMAN SACHS GROUP INC 5.62M 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 Interest3.51M

Days to Cover14.2

% of Float15.2%

FINRA data as of Jul 31, 2026

Insider Buy/Sell Ratio

Recent SEC Activity

xbrl XBRL CONVERTIBLE 2024-12-31

4 INSIDER TRANSACTION 2026-04-17

4 INSIDER TRANSACTION 2026-03-04

4 INSIDER TRANSACTION 2026-02-20

4 INSIDER TRANSACTION 2026-02-10

Full SEC filing analysis available with free account →

Recent News

No recent news

Factual SEPN Dilution Snapshot

Septerna, Inc. (SEPN) has a DilutionScore of 29/100, rated Medium dilution risk. Score date: August 28, 2026.

Recent SEC activity tracked for SEPN: 4 on 2026-04-17; 4 on 2026-03-04; 4 on 2026-02-20.

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.

Related Stocks — MEDIUM Risk

Other MEDIUM dilution risk stocks tracked by DilutionWatch with similar profiles:

Browse all 8,024+ tracked stocks →

📖 Dilution Education

→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations

More Research for SEPN

SEPN FDA Catalyst Timeline & Biotech Grade — BiotechSigns

Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.

SEPN — Septerna, Inc. Dilution Risk Tracker