LB Pharmaceuticals Inc
LBRX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001691082
No open-market purchases or sales by LB Pharmaceuticals Inc insiders were filed in the last 90 days; 114 institutions reported holding it in 13F filings for Q2 2026, worth $1.00B in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by LB Pharmaceuticals Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for LB Pharmaceuticals Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Kroin David | 10% Owner | 666,666Indirect | Aug 3, 2026 | 2 |
| Deep Track Capital, LP | 10% Owner | 666,666Indirect | Aug 3, 2026 | 2 |
| Deep Track Biotechnology Master Fund, Ltd. | 10% Owner | 666,666Indirect | Aug 3, 2026 | 2 |
| Ruffolo Robert R | Director | – | Jun 5, 2026 | 1 |
| Garland J. Scott | Director | – | Jun 5, 2026 | 1 |
| Nussbaum Ran | Director | 1,411,681Indirect | Jun 5, 2026 | 1 |
| Hemrajani Rekha | Director | – | Jun 5, 2026 | 1 |
| Kane William P Jr | Director | – | Jun 5, 2026 | 1 |
| Lenz Robert A. | Director | – | Jun 5, 2026 | 2 |
| Luse Rebecca | Director | – | Jun 5, 2026 | 1 |
| Deep Track Special Opportunities Fund, LP | 10% Owner | – | Feb 10, 2026 | 1 |
| Pai Panandiker Kaya Kamlesh | Chief Commercial Officer | – | Dec 11, 2025 | 1 |
| Panoff Marc L | Senior Vice President, Finance | – | Sep 29, 2025 | 1 |
| Belldegrun Arie | 10% Owner | 2,029Indirect | Sep 16, 2025 | 0 |
| Vida Ventures GP III, L.L.C. | 10% Owner | 2,029Indirect | Sep 16, 2025 | 0 |
| Vida Ventures III-A, L.P. | 10% Owner | 2,029Indirect | Sep 16, 2025 | 0 |
| Vida Ventures III, L.P. | 10% Owner | 2,029Indirect | Sep 16, 2025 | 0 |
| Vida Ventures Management Co. LLC | 10% Owner | 2,029Indirect | Sep 16, 2025 | 0 |
| Pontifax Management 4 G.P. (2015) Ltd. | 10% Owner | 1,411,681Indirect | Sep 16, 2025 | 0 |
| Prensky Zachary | Director | – | Sep 12, 2025 | 0 |
| Turner Heather D | Chief Executive Officer | – | Sep 12, 2025 | 0 |
| Soffer Gad | Chief Business Officer | – | Sep 12, 2025 | 0 |
| Eramo Anna | Chief Medical Officer | – | Sep 12, 2025 | 0 |
| Silva Richard Anthony | SVP, Technical Operations | – | Sep 12, 2025 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 (view filing)7:28 PM ET | Jul 30 | 4 days | Kroin David and 2 others10% Owner | PPurchase | +286.2K | $34.94 | +$10.0M | –664.6K after | Derivative |
| Feb 10, 2026 (view filing)4:30 PM ET | Feb 6 | 4 days | Kroin David and 3 others10% Owner | PPurchase | +378.4K | $21.17 | +$8.01M | –378.4K after | Derivative |
| Feb 10, 2026 (view filing)4:30 PM ET | Feb 6 | 4 days | Kroin David and 3 others10% Owner | PPurchase | +93.9K | $21.17 | +$1.99M | –93.9K after | Derivative |
| Sep 16, 2025 (view filing)6:09 PM ET | Sep 12 | 4 days | Kroin David and 2 others10% Owner | PPurchase | +2.00M | $15.00 | +$30.0M | +291.5%2.69M after | |
| Sep 16, 2025 (view filing)6:09 PM ET | Sep 12 | 4 days | Kroin David and 2 others10% Owner | PPurchase | +666.7K | $15.00 | +$10.0M | New position666.7K after | |
| Sep 16, 2025 (view filing)3:46 PM ET | Sep 12 | 4 days | Belldegrun Arie and 4 others10% Owner | PPurchase | +333.3K | $15.00 | +$5.00M | New position2.03K after | 2 lots |
| Sep 16, 2025 (view filing) | Sep 12 | 4 days | Pontifax Management 4 G.P. (2015) Ltd.10% Owner | PPurchase | +1.00M | $15.00 | +$15.0M | +242.9%1.41M after | Duplicate filing |
| Sep 16, 2025 (view filing) | Sep 12 | 4 days | Nussbaum RanDirector | PPurchase | +1.00M | $15.00 | +$15.0M | +242.9%1.41M after |