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EFFECT ·Filed Apr 15, 2026

LBRX

LB PHARMACEUTICALS INC
NEUTRAL
Impact 4/10
Horizondays Processed6mo ago SEC9999999995-26-001186
IPO/offering going effective
Actionable Insight • Neutral

Monitor for near-term selling activity by PIPE investors and Maxim Partners, which could increase float and create downward pressure on LBRX shares. The lack of proceeds to the company distinguishes this from a traditional follow-on offering.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
LBRX ▲ +13.15% at T+60d
NEUTRAL call +13.15% · α vs SPY +5.02% · entry $29.12 → $32.95
Entry = T+0 close
Apr 15, 2026
via day close
T+1d
-2.88%
call -2.88% · α -3.14%
$28.28
settled 6mo ago
T+5d
+9.13%
call +9.13% · α +7.50%
$31.78
settled 6mo ago
T+20d
+6.90%
call +6.90% · α +0.86%
$31.13
settled 6mo ago
T+60d
+13.15%
call +13.15% · α +5.02%
$32.95
settled 4mo ago

Price Chart

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Executive Summary

The SEC has declared effective LB Pharmaceuticals' S-1 registration, enabling the resale of up to 4,778,491 shares of common stock by selling stockholders. This includes shares from a February 2026 private placement and warrants exercised in March 2026. The company will not receive proceeds from these sales except for nominal warrant exercise fees.

Key Facts

  • S-1 registration effective as of April 14, 2026, allowing resale of up to 4,778,491 shares
  • Selling stockholders include PIPE investors from a February 2026 private placement and Maxim Partners LLC
  • Company will not receive proceeds from the resale, except nominal $0.0001 per share from warrant exercises
  • Stock symbol LBRX, last reported price $25.69 on April 2, 2026
  • Company is classified as an emerging growth company and smaller reporting company

Financial Impact

Up to $122.7 million in potential market overhang based on 4,778,491 shares at $25.69 per share, though actual selling pressure depends on timing and volume

dilutionliquidityshare price

Risk Factors

  • Potential share price pressure from immediate or rapid selling by PIPE investors
  • Increased volatility as previously restricted shares enter public float

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Investment Themes

Documents Analyzed

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

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-001186
Document: 9999999995-26-001186-index.html9999999995-26-001186
Document: 9999999995-26-001186.txt9999999995-26-001186
17 reports for LBRX
Performance horizon
100% Hit rate @ T+60 4 of 4 directional calls Went positive at some point 7 of 7 best @ T+20▲ +36.55%Jul 22, 2026
Filters
Rows
Reports for LBRX — sortable, filterable
TypeNow
Oct 13, 2026
13d ago
SC 13G/A
NEUTRAL ★ 2/10
$34.79awaiting T+60—$39.83 (+14.49%)
Oct 6, 2026
21d ago
EFFECT
BEARISH ★ 5/10
$34.26awaiting T+60—$39.83 (−16.26%)
Sep 15, 2026
6w ago
8-K
NEUTRAL ★ 3/10
$43.04awaiting T+60—$39.83 (−7.46%)
Sep 3, 2026
7w ago
8-K
NEUTRAL ★ 4/10
$47.52awaiting T+60—$39.83 (−16.18%)
Aug 11, 2026
11w ago
8-K
BULLISH ★ 7/10
$45.33awaiting T+60—$39.83 (−12.13%)
Aug 11, 2026
11w ago
Press Release
BULLISH ★ 7/10
$45.33awaiting T+60—$39.83 (−12.13%)
Jul 29, 2026
12w ago
8-K
MIXED ★ 6/10
$39.00 $39.42▲ +1.08%▼ −3.65%$39.83 (+2.13%)
Jul 22, 2026
13w ago
8-K
BULLISH ★ 6/10
$35.84 $36.69▲ +2.37%▼ −0.89%$39.83 (+11.13%)
Jul 22, 2026
13w ago
Press Release
BULLISH ★ 6/10
$35.84 $36.69▲ +2.37%▼ −0.89%$39.83 (+11.13%)
Jun 10, 2026
19w ago
8-K
NEUTRAL ★ 3/10
$28.54awaiting T+60—$39.83 (+39.56%)
Showing 10 of 17

US Market Status

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Report published Apr 15, 2026