LBRX LB PHARMACEUTICALS INC

NEUTRAL Impact: 3/10 144
Horizon days Filed Jun 9, 2026 Processed 3d 16h ago SEC 0001972481-26-000189
Form 144 — notice of proposed sale of securities

Price Chart

Loading chart...

Executive Summary

Zachary Prensky, a former officer of LB Pharmaceuticals, filed a Form 144 notice of intent to sell 16,500 shares of common stock, with an estimated aggregate market value of approximately $486,566. The sale is planned for June 9, 2026, via Stifel Nicolaus & Company. While the filing signals insider intent to sell, the relatively small size relative to the company's $843M market cap and the seller's status as a former officer reduce the signal's materiality.

Actionable Insight

The Form 144 is a routine advance notice of a small sale by a former officer. Given the minimal size relative to market cap and the insider's non-executive status, the filing is unlikely to have a material impact on the stock. Monitor for any subsequent Form 4 filings to confirm execution, but no immediate trading action is warranted.

Key Facts

  • Insider Zachary Prensky (former officer) filed Form 144 to sell 16,500 shares.
  • Estimated aggregate market value of the proposed sale: ~$486,566.
  • Sale is planned for June 9, 2026, via Stifel Nicolaus & Company.
  • Shares were acquired on September 12, 2025, and are held directly.
  • The sale represents a small fraction of the company's $843M market cap.

Financial Impact

Proposed sale of ~$486,566 worth of shares, representing ~0.06% of market cap.

dilutioninsider holdings

Risk Factors

  • Insider sale could be perceived negatively if followed by additional insider selling.
  • The filing is only an intent to sell; the actual sale may not occur.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
92% bullish (12 analysts)

Documents Analyzed

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

DocumentAccession Number
144 Filing (Primary)0001972481-26-000189
Document: 0001972481-26-000189-index.html0001972481-26-000189
Document: 0001972481-26-000189.txt0001972481-26-000189
8 reports for LBRX
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for LBRX — sortable, filterable
Type Now
Jun 10, 2026
2d ago
8-K
NEUTRAL ★ 3/10
$28.41 awaiting T+5awaiting T+5$28.42 (+0.04%)
Jun 9, 2026
3d ago
144
NEUTRAL ★ 3/10
$29.24 awaiting T+5awaiting T+5$28.42 (−2.80%)
May 12, 2026
4w ago
Press Release
NEUTRAL ★ 4/10
$32.31 $27.27▼ −15.60%▼ −14.44%$28.42 (−12.04%)
Apr 23, 2026
7w ago
DEFA14A
NEUTRAL ★ 2/10
$30.73 $31.71▲ +3.19%▲ +2.28%$28.42 (−7.52%)
Apr 22, 2026
7w ago
Press Release
BULLISH ★ 7/10
$30.78 $30.59▼ −0.60%▼ −2.08%$28.42 (−7.65%)
Apr 15, 2026
8w ago
EFFECT
NEUTRAL ★ 4/10
$29.12 $31.78▲ +9.13%▲ +7.50%$28.42 (−2.40%)
Mar 26, 2026
11w ago
Press Release
BULLISH ★ 8/10
$23.84 $26.94▲ +13.00%▲ +9.14%$28.42 (+19.21%)
Mar 25, 2026
11w ago
Press Release
NEUTRAL ★ 5/10
$24.21 $24.81▲ +2.48%▲ +2.72%$28.42 (+17.39%)
Showing 8 of 8

US Market Status

Market Closed — Opens Mon (47h 7m)

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