United States Biotechnology & Medical Research

LB Pharmaceuticals Inc (LBRX)

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LB Pharmaceuticals Inc has recorded no insider trading activity within the past ninety days. The most recent transaction occurred on June 9, 2026, involving a proposed sale by a former officer. Prior significant acquisitions by institutional entities took place during September 2025, well outside the current three-month reporting window.
Ticker: LBRX Exchange: NMS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
No insider activity signals detected

Insider trades have not triggered unusual activity signals for this company.

Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
PRENSKY ZACHARY Former Officer Officer
Transaction date
Proposed sale
Price
14.93
Quantity 95,208
Value US$3,497,395
0.6
Nussbaum Ran Non-Executive Director
Transaction date
Purchase
Price
15.00
Quantity 1,000,000 +242.9%
Value US$15,000,000
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-09 2026-06-09 PrS Proposed sale
PRENSKY ZACHARY

Former Officer

Officer
95,208
14.93
US$3,497,395 		95,208 14.93 US$3,497,395
2025-09-16 2025-09-12 B Purchase
2.3
Deep Track Biotechnology Master Fund, Ltd.
Large shareholder
69,195 +11.7%
33.72
US$1,008,109 		69,195 +11.7% 33.72 US$1,008,109
2025-09-16 2025-09-12 B Purchase
2.3
Deep Track Biotechnology Master Fund, Ltd.
Large shareholder
761 -3.9%
486.69
US$3,747,751 		761 -3.9% 486.69 US$3,747,751
2025-09-16 2025-09-12 B Purchase
0.6
Nussbaum Ran
Non-Executive Director
1,000,000 +242.9%
15.00
US$15,000,000 		1,000,000 +242.9% 15.00 US$15,000,000
2025-09-16 2025-09-12 B Purchase
0.6
Pontifax Management 4 G.P. (2015) Ltd.
Large shareholder
1,000,000 +242.9%
15.00
US$15,000,000 		1,000,000 +242.9% 15.00 US$15,000,000
2025-09-16 2025-09-12 B Purchase
Vida Ventures GP III, L.L.C.
Large shareholder
767 +60.8%
15.00
US$11,505 		767 +60.8% 15.00 US$11,505
2025-09-16 2025-09-12 B Purchase
Vida Ventures GP III, L.L.C.
Large shareholder
332,566 +60.7%
15.00
US$4,988,490 		332,566 +60.7% 15.00 US$4,988,490
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