Nussbaum Ran bought LB Pharmaceuticals Inc. ($LBRX) shares once on the open market in the last year, totaling $15 million, with the latest purchase on September 12, 2025. This ranks in the top 75 among nearly 5,000 insiders for highest purchase amounts, well above the average of $1.5 million across 3.3 transactions. Nussbaum Ran reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 12, 2025 | LB PHARMACEUTICALS INC | $LBRX | Nussbaum Ran | Not found | C | Common Stock | 411681 | $0.00 | 411,681.0000 | 0 | 9999.99% | 0.00% |
| Sept. 12, 2025 | LB PHARMACEUTICALS INC | $LBRX | Nussbaum Ran | Not found | P | Common Stock | 1000000 | $15.00 | 1,411,681.0000 | 0 | 242.91% | 0.00% |
| Sept. 12, 2025 | LB PHARMACEUTICALS INC | $LBRX | Nussbaum Ran | Not found | C | Series C Preferred Stock | 10000000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Sept. 10, 2025 | LB PHARMACEUTICALS INC | $LBRX | Nussbaum Ran | Not found | A | Stock Option (Right to Buy) | 22449 | $0.00 | 22,449.0000 | 0 | 9999.99% | 0.00% |
| June 4, 2025 | Keros Therapeutics, Inc. | $KROS | Nussbaum Ran | Not found | A | Common Stock | 5250 | $0.00 | 4,637,319.0000 | 37,437,652 | 0.11% | 0.01% |
| June 4, 2025 | Keros Therapeutics, Inc. | $KROS | Nussbaum Ran | Not found | A | Stock Option (right to buy) | 10500 | $0.00 | 10,500.0000 | 37,437,652 | 9999.99% | 0.03% |
| May 30, 2024 | Keros Therapeutics, Inc. | $KROS | Nussbaum Ran | Not found | A | Stock Option (right to buy) | 10000 | $0.00 | 10,000.0000 | 29,447,119 | 9999.99% | 0.03% |
| June 6, 2023 | Keros Therapeutics, Inc. | $KROS | Nussbaum Ran | Director | A | Stock Option (right to buy) | 10000 | $0.00 | 10,000.0000 | 25,241,030 | 9999.99% | 0.04% |