PBLS Parabilis Medicines, Inc.

BULLISH Impact: 7/10 EFFECT
Horizon immediate Filed Jun 10, 2026 Processed 4d 23h ago SEC 9999999995-26-001929
IPO/offering going effective

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Executive Summary

Parabilis Medicines' S-1 registration statement (File No. 333-296032) became effective on June 9, 2026, clearing the way for the company's IPO of 33,333,334 shares at a $17.00-$19.00 price range. The offering includes a concurrent $75.0M private placement by Regeneron at 90% of the IPO price, and proceeds will fund clinical development of lead candidate zolucatetide in desmoid tumors, advance the preclinical pipeline, and extend cash runway into H2 2029.

Actionable Insight

IPO pricing is expected within 1-2 days. The $75.0M Regeneron anchor investment signals strong institutional backing. Monitor pricing announcement and first-day trading for liquidity and valuation read-through.

Key Facts

  • IPO registration declared effective on June 9, 2026
  • Offering of 33,333,334 shares at $17.00-$19.00 per share
  • Regeneron to invest $75.0M in private placement at 90% of IPO price
  • Proceeds to fund zolucatetide clinical development and preclinical pipeline
  • Cash runway extended into H2 2029

Financial Impact

Up to $633.3M gross IPO proceeds (33,333,334 shares × $19.00 midpoint) plus $75.0M Regeneron private placement, totaling up to ~$708.3M in new capital

cashdilutionmarket capitalization

Risk Factors

  • Clinical-stage biotech with no approved products; zolucatetide development risk
  • Dilution from 33.3M new shares; post-IPO share count will increase significantly
  • Market conditions could impact IPO pricing and aftermarket performance

Documents Analyzed

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

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-001929
Document: 9999999995-26-001929-index.html9999999995-26-001929
Document: 9999999995-26-001929.txt9999999995-26-001929
13 reports for PBLS
Performance horizon
Filters
Rows
Reports for PBLS — sortable, filterable
Type Now
Jun 11, 2026
3d ago
8-K
MIXED ★ 6/10
$30.30 awaiting T+20awaiting T+20$27.26 (−10.03%)
Jun 10, 2026
4d ago
424B4
BULLISH ★ 7/10
$32.16 awaiting T+20awaiting T+20$27.26 (−15.24%)
Jun 10, 2026
5d ago
EFFECT
BULLISH ★ 7/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 2/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 1/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 1/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 2/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 2/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
3
NEUTRAL ★ 2/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Jun 10, 2026
5d ago
Press Release
BULLISH ★ 7/10
$33.35 awaiting T+20awaiting T+20$27.26 (−18.26%)
Showing 10 of 13

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