// company-profile

Lb Pharmaceuticals Inc

LBRX
ExchangeNasdaqSectorPharmaceutical PreparationsInc.DEFilings26Insiders24
// api This Lb Pharmaceuticals Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.

// activity-summary

Recent insider activity is bullish. Over the last 30 days, 7 insiders purchased shares. Buying was led by Lenz Robert A..

// 90-day insight

Over the last 90 days, Lb Pharmaceuticals Inc insiders bought $0 across 7 transactions with no open-market sales.

  • Most active insider: Lenz Robert A. with 1 transaction totaling $0.

Activity skews bullish — buys outpace sales.

Institutional Ownership

Top 13F-HR holders of Lb Pharmaceuticals Inc as of 2026-03-31

↑ increasing
Total reported AUM
$652.0M
QoQ change
+30.0%
Reporting period
2026-03-31
#1
Deep Track Capital, LP
CIK 1856083
$82.7M
3.4M shares
#2
RA CAPITAL MANAGEMENT, L.P.
CIK 1346824
$54.5M
2.2M shares
#3
TCG Crossover Management, LLC
CIK 1839948
$45.3M
1.8M shares

Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValue
Jun 3, 2026Lenz Robert A.LBRX
Award
12,500$0.00$0K
Jun 3, 2026Nussbaum RanLBRX
Award
10,000$0.00$0K
Jun 3, 2026Luse RebeccaLBRX
Award
10,000$0.00$0K
Jun 3, 2026RUFFOLO ROBERT RLBRX
Award
10,000$0.00$0K
Jun 3, 2026Kane William P JrLBRX
Award
10,000$0.00$0K

45 more transactions hidden

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