ASMB ASSEMBLY BIOSCIENCES, INC.

NEUTRAL Impact: 3/10 EFFECT
Horizon months Filed Mar 30, 2026 Processed 2mo ago SEC 9999999995-26-000970
IPO/offering going effective
Latest settled — T+20d
ASMB ▲ +1.35% at T+20d
NEUTRAL call ✓ call won +1.35% · α vs SPY -11.25% · entry $26.64 → $27.00
Next anchor: T+60d in 15d
Currently $22.72 · -14.71% from $26.64 entry
Entry anchored
Mar 27, 03:59 PM ET
via Databento tick
T+1d
+4.17%
call +4.17% · α +1.28%
$27.75
settled 2mo ago
T+5d
+7.09%
call +7.09% · α +2.79%
$28.53
settled 2mo ago
T+20d
+1.35%
call +1.35% · α -11.25%
$27.00
settled 6w ago
T+60d
call — · α —
in 15d

Price Chart

Loading chart...

Executive Summary

Assembly Biosciences' $400 million shelf registration (S-3) has become effective, allowing the company to issue common stock, preferred stock, debt securities, warrants, subscription rights, or units from time to time. This creates a potential dilution overhang but provides capital flexibility for future needs.

Actionable Insight

Monitor for future prospectus supplements that would indicate an actual offering, which could lead to near-term dilution or increased leverage. The shelf provides financial flexibility but creates uncertainty around future capital structure.

Key Facts

  • S-3 shelf registration effective as of March 27, 2026
  • Maximum aggregate offering price of $400,000,000
  • Securities may include common stock, preferred stock, debt, warrants, subscription rights, or units
  • Offerings can be taken down at any time over the next three years
  • This is a follow-on shelf registration, not an IPO

Financial Impact

Up to $400 million in potential future dilution or debt issuance

dilutiondebtcash

Risk Factors

  • Potential share dilution if equity is issued
  • Increased debt burden if debt securities are issued
  • Market perception of dilution overhang could pressure stock price

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-000970
Document: 9999999995-26-000970-index.html9999999995-26-000970
Document: 9999999995-26-000970.txt9999999995-26-000970
7 reports for ASMB
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+5▲ +6.37%May 22, 2026
Filters
Rows
Reports for ASMB — sortable, filterable
Type Now
Jun 5, 2026
4d ago
8-K
NEUTRAL ★ 2/10
$22.89 awaiting T+5awaiting T+5$22.72 (−0.74%)
May 22, 2026
18d ago
424B5
BEARISH ★ 6/10
$28.75 $26.92▲ +6.37%▲ +7.45%$22.72 (+20.97%)
May 22, 2026
18d ago
8-K
NEUTRAL ★ 5/10
$28.34 $26.92▼ −5.01%▼ −6.67%$22.72 (−19.83%)
May 22, 2026
18d ago
Press Release
NEUTRAL ★ 5/10
$28.34 $26.92▼ −5.01%▼ −6.67%$22.72 (−19.83%)
May 7, 2026
4w ago
Press Release
BULLISH ★ 6/10
$29.74 $30.30▲ +1.88%▲ +0.42%$22.72 (−23.60%)
Mar 30, 2026
10w ago
EFFECT
NEUTRAL ★ 3/10
$26.64 $28.53▲ +7.09%▲ +2.79%$22.72 (−14.71%)
Mar 19, 2026
11w ago
Press Release
BULLISH ★ 8/10
$28.46 $27.70▼ −2.67%▼ −0.52%$22.72 (−20.17%)
Showing 7 of 7

US Market Status

Market Closed — Opens Thu (9h 48m)

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access