LB PHARMACEUTICALS INC (LBRX)
Data as of , from SEC Form 4 filings.
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About LB PHARMACEUTICALS INC (LBRX)
LB PHARMACEUTICALS INC files with the SEC under CIK 0001691082 and is classified as pharmaceutical preparations. It is grouped with Health Care companies on this site. It filed a registration statement with the SEC on 6 April 2026 and has not yet priced an offering.
LBRX Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 286,205 | $10.00M |
| Grant or award | 2 | 400,000 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
LBRX insider transactions (Form 4)
8328 Form 4 filings on record, the earliest from Sep 10, 2025, newest first.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Joseph M. Miller - Officer | Grant or award | Emplopyee Stock Option (Right to Buy) | 200,000 | $0.00 | - | |
| Susan Gani Kozauer - Officer | Grant or award | Emplopyee Stock Option (Right to Buy) | 200,000 | $0.00 | - | |
| Deep Track Biotechnology Master Fund, Ltd. - 10% Owner | Open-market purchase | Pre-Funded Warrants (Right to Buy) | 286,205 | $34.94 | $10.00M | |
 Robert R. Ruffolo | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Ran Nussbaum | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Rebecca Luse | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Robert A. Lenz | Grant or award | Stock Option (Right to Buy) | 12,500 footnote F1 | $0.00 | - | |
| ||||||
| Rekha Hemrajani | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| William P. Kane Jr. | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| J. Scott Garland | Grant or award | Stock Option (Right to Buy) | 10,000 | $0.00 | - | |
| Robert A. Lenz | Grant or award | Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| Deep Track Biotechnology Master Fund, Ltd. | Open-market purchase | Pre-Funded Warrants (Right to Buy) | 378,444 | $21.17 | $8.01M | |
| Deep Track Biotechnology Master Fund, Ltd. | Open-market purchase | Pre-Funded Warrants (Right to Buy) | 93,925 | $21.17 | $1.99M | |
| Deep Track Biotechnology Master Fund, Ltd. | Other | Common Stock | 686,138 | - | - | |
| Deep Track Biotechnology Master Fund, Ltd. | Open-market purchase | Common Stock | 2,000,000 | $15.00 | $30.00M | |
| Deep Track Biotechnology Master Fund, Ltd. | Open-market purchase | Common Stock | 666,666 | $15.00 | $10.00M | |
| Deep Track Biotechnology Master Fund, Ltd. | Other | Series C Preferred Stock | 16,666,667 | - | - | |
| Pontifax Management 4 G.P. (2015) Ltd. | Other | Common Stock | 411,681 | - | - | |
| Pontifax Management 4 G.P. (2015) Ltd. | Open-market purchase | Common Stock | 1,000,000 | $15.00 | $15.00M | |
| Pontifax Management 4 G.P. (2015) Ltd. | Other | Series C Preferred Stock | 10,000,000 | - | - | |
| Ran Nussbaum | Other | Common Stock | 411,681 | - | - | |
| Ran Nussbaum | Open-market purchase | Common Stock | 1,000,000 | $15.00 | $15.00M | |
| Ran Nussbaum | Other | Series C Preferred Stock | 10,000,000 | - | - | |
| Vida Ventures GP III, L.L.C. | Other | Common Stock | 547,648 | - | - | |
| Vida Ventures GP III, L.L.C. | Other | Common Stock | 1,262 | - | - | |
| Vida Ventures GP III, L.L.C. | Open-market purchase | Common Stock | 332,566 | $15.00 | $4.99M | |
| Vida Ventures GP III, L.L.C. | Open-market purchase | Common Stock | 767 | $15.00 | $12K | |
| Vida Ventures GP III, L.L.C. | Other | Series C Preferred Stock | 13,302,666 | $0.00 | - | |
| Vida Ventures GP III, L.L.C. | Other | Series C Preferred Stock | 30,667 | $0.00 | - | |
| Rekha Hemrajani | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
| Rebecca Luse | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
| William P. Kane Jr. | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
| Richard Anthony Silva - Officer | Derivative | Employee Stock Option (Right to Buy) | 8,964 | - | - | |
| Richard Anthony Silva - Officer | Grant or award | Employee Stock Option (Right to Buy) | 8,964 | - | - | |
| Richard Anthony Silva - Officer | Grant or award | Employee Stock Option (Right to Buy) | 80,899 | $0.00 | - | |
| Anna Eramo - Officer | Derivative | Employee Stock Option (Right to Buy) | 26,893 | - | - | |
| Anna Eramo - Officer | Grant or award | Employee Stock Option (Right to Buy) | 26,893 | - | - | |
| Anna Eramo - Officer | Derivative | Employee Stock Option (Right to Buy) | 6,275 | - | - | |
| Anna Eramo - Officer | Grant or award | Employee Stock Option (Right to Buy) | 6,275 | - | - | |
| Anna Eramo - Officer | Grant or award | Employee Stock Option (Right to Buy) | 155,812 | $0.00 | - | |
| Gad Soffer - Officer | Derivative | Employee Stock Option (Right to Buy) | 26,893 | - | - | |
| Gad Soffer - Officer | Grant or award | Employee Stock Option (Right to Buy) | 26,893 | - | - | |
| Gad Soffer - Officer | Grant or award | Employee Stock Option (Right to Buy) | 229,860 | $0.00 | - | |
| Ran Nussbaum | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
| J. Scott Garland | Derivative | Employee Stock Option (Right to Buy) | 17,929 | - | - | |
| J. Scott Garland | Grant or award | Employee Stock Option (Right to Buy) | 17,929 | - | - | |
| J. Scott Garland | Derivative | Employee Stock Option (Right to Buy) | 3,585 | - | - | |
| J. Scott Garland | Grant or award | Employee Stock Option (Right to Buy) | 3,585 | - | - | |
| J. Scott Garland | Grant or award | Employee Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
 Heather D. Turner - Officer | Derivative | Employee Stock Option (Right to Buy) | 175,706 | - | - | |
| Heather D. Turner - Officer | Grant or award | Employee Stock Option (Right to Buy) | 175,706 | - | - | |
| Heather D. Turner - Officer | Derivative | Employee Stock Option (Right to Buy) | 7,857 | - | - | |
| Heather D. Turner - Officer | Grant or award | Employee Stock Option (Right to Buy) | 7,857 | - | - | |
| Heather D. Turner - Officer | Grant or award | Employee Stock Option (Right to Buy) | 971,828 | $0.00 | - | |
 Marc L. Panoff - Officer | Derivative | Employee Stock Option (Right to Buy) | 3,944 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 3,944 | - | - | |
| Marc L. Panoff - Officer | Derivative | Employee Stock Option (Right to Buy) | 896 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 896 | - | - | |
| Marc L. Panoff - Officer | Derivative | Employee Stock Option (Right to Buy) | 1,255 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 1,255 | - | - | |
| Marc L. Panoff - Officer | Derivative | Employee Stock Option (Right to Buy) | 14,343 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 14,343 | - | - | |
| Marc L. Panoff - Officer | Derivative | Employee Stock Option (Right to Buy) | 7,171 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 7,171 | - | - | |
| Marc L. Panoff - Officer | Grant or award | Employee Stock Option (Right to Buy) | 90,525 | $0.00 | - | |
| Robert R. Ruffolo | Derivative | Stock Option (Right to Buy) | 1,792 | - | - | |
| Robert R. Ruffolo | Grant or award | Stock Option (Right to Buy) | 1,792 | - | - | |
| Robert R. Ruffolo | Derivative | Stock Option (Right to Buy) | 717 | - | - | |
| Robert R. Ruffolo | Grant or award | Stock Option (Right to Buy) | 717 | - | - | |
| Robert R. Ruffolo | Derivative | Stock Option (Right to Buy) | 10,757 | - | - | |
| Robert R. Ruffolo | Grant or award | Stock Option (Right to Buy) | 10,757 | - | - | |
| Robert R. Ruffolo | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
 Zachary Prensky | Derivative | Stock Option (Right to Buy) | 3,944 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 3,944 | - | - | |
| Zachary Prensky | Derivative | Stock Option (Right to Buy) | 896 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 896 | - | - | |
| Zachary Prensky | Derivative | Stock Option (Right to Buy) | 1,255 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 1,255 | - | - | |
| Zachary Prensky | Derivative | Stock Option (Right to Buy) | 17,929 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 17,929 | - | - | |
| Zachary Prensky | Derivative | Stock Option (Right to Buy) | 53,787 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 53,787 | - | - | |
| Zachary Prensky | Grant or award | Stock Option (Right to Buy) | 22,449 | $0.00 | - | |
Item 5.02, 7.01, 9.01
Item 5.02, 7.01, 9.01
Item 2.02, 9.01
Item 1.01, 3.02, 7.01, 9.01
Recent LBRX Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| - | - | - | - | View on EDGAR |
LBRX insider trading FAQ
What is the latest insider trade for LBRX?
LB PHARMACEUTICALS INC (LBRX) had 3 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for LBRX runs to 28 Form 4 filings, the earliest from 2025-09-10. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying LBRX stock?
1 insider purchase of LBRX was filed in the last 90 days, totaling $10.00M.
How many insiders are selling LBRX stock?
No insider sales of LBRX were filed in the last 90 days.
Where can I see LBRX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects LBRX Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Joseph M. Miller view on EDGAR
- - Susan Gani Kozauer view on EDGAR
- - Deep Track Biotechnology Master Fund, Ltd. view on EDGAR
- - Robert R. Ruffolo view on EDGAR
- - Ran Nussbaum view on EDGAR
- - Rebecca Luse view on EDGAR
- - Robert A. Lenz view on EDGAR
- - Rekha Hemrajani view on EDGAR
- - William P. Kane Jr. view on EDGAR
Related companies with recent insider activity
Learn more
- How to read insider buying signals
- What an open-market purchase by an insider can and cannot tell you.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where LBRX's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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