Ran Nussbaum
Insider
First SEC filing: June 5, 2026 · Latest: June 5, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 3, 2026 | LBRX | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 12, 2025 | LBRX | C | 411,681 | · | · | 411,681 Indirect | · | Acquired | (price as of 2026-10-02) |
| Sept. 12, 2025 | LBRX | P | 1,000,000 | $15.00 | $15,000,000 | 1,411,681 Indirect | +242.91% | Acquired | 146.6% (price as of 2026-10-02) |
| Sept. 12, 2025 | LBRX | C | 10,000,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 10, 2025 | LBRX | A | 22,449 | · | · | 22,449 Direct | · | Acquired | (price as of 2026-10-02) |
| June 4, 2025 | KROS | A | 5,250 | · | · | 5,250 Direct | · | Acquired | (price as of 2026-10-02) |
| June 4, 2025 | KROS | A | 10,500 | · | · | 10,500 Direct | · | Acquired | (price as of 2026-10-02) |
| May 30, 2024 | KROS | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2023 | KROS | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 1,914 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 1,723 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 3,539 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 1,914 | · | · | 1,226,412 Indirect | -0.16% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 1,723 | · | · | 1,121,045 Indirect | -0.15% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2022 | KROS | X | 3,539 | · | · | 2,284,612 Indirect | -0.15% | Disposed | (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 47,999 | $5.94 | $285,114 | 1,485,168 Indirect | +3.34% | Acquired | 597.0% (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 32,723 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 15,276 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 47,999 | $5.94 | $285,114 | 1,481,927 Indirect | +3.35% | Acquired | 597.0% (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 32,723 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 21, 2022 | URGN | M | 15,276 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 16, 2022 | URGN | M | 2,211 | $5.00 | $11,055 | 1,437,169 Indirect | +0.15% | Acquired | 728.0% (price as of 2026-10-02) |
| June 16, 2022 | URGN | M | 2,211 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 15, 2022 | ELOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 8, 2022 | URGN | A | 6,817 | · | · | 6,817 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 8, 2022 | URGN | A | 3,183 | · | · | 3,183 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 6, 2022 | URGN | M | 1,030 | $5.00 | $5,150 | 1,434,958 Indirect | +0.07% | Acquired | 728.0% (price as of 2026-10-02) |
| June 6, 2022 | URGN | M | 1,030 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 6, 2022 | URGN | M | 1,030 | $5.00 | $5,150 | 1,433,928 Indirect | +0.07% | Acquired | 728.0% (price as of 2026-10-02) |
| June 6, 2022 | URGN | M | 1,030 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| June 1, 2022 | KROS | A | 8,293 | · | · | 8,293 Direct | · | Acquired | (price as of 2026-10-02) |
| June 7, 2021 | URGN | A | 6,817 | · | · | 6,817 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 7, 2021 | URGN | A | 3,183 | · | · | 3,183 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 1, 2021 | KROS | A | 8,293 | · | · | 8,293 Direct | · | Acquired | (price as of 2026-10-02) |
| May 19, 2021 | ELOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 13, 2021 | ELOX | P | 592,592 | $1.35 | $799,999 | 616,592 Indirect | +2469.13% | Acquired | 1048.9% (price as of 2026-10-02) |
| May 13, 2021 | ELOX | P | 1,422,222 | $1.35 | $1,920,000 | 1,989,551 Indirect | +250.69% | Acquired | 1048.9% (price as of 2026-10-02) |
| May 13, 2021 | ELOX | P | 2,630,487 | $1.35 | $3,551,157 | 3,679,797 Indirect | +250.69% | Acquired | 1048.9% (price as of 2026-10-02) |
| May 13, 2021 | ELOX | P | 1,280,624 | $1.35 | $1,728,842 | 1,791,470 Indirect | +250.69% | Acquired | 1048.9% (price as of 2026-10-02) |
| March 25, 2021 | URGN | M | 1,030 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| March 25, 2021 | URGN | M | 1,030 | $5.00 | $5,150 | 1,431,717 Indirect | +0.07% | Acquired | 728.0% (price as of 2026-10-02) |
| March 25, 2021 | URGN | M | 2,211 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| March 25, 2021 | URGN | M | 2,211 | $5.00 | $11,055 | 1,433,928 Indirect | +0.15% | Acquired | 728.0% (price as of 2026-10-02) |
| March 24, 2021 | URGN | M | 1,030 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| March 24, 2021 | URGN | M | 1,030 | $5.00 | $5,150 | 1,465,199 Indirect | +0.07% | Acquired | 728.0% (price as of 2026-10-02) |
| June 8, 2020 | URGN | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 20, 2020 | ELOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 36,858 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 79,653 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 88,460 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 163,612 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 68,654 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 91,538 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 82,425 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 169,307 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 737,226 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 663,825 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 1,363,542 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| April 13, 2020 | KROS | P | 43,750 | $16.00 | $700,000 | 149,262 Indirect | +41.46% | Acquired | -29.0% (price as of 2026-10-02) |
| April 13, 2020 | KROS | P | 105,000 | $16.00 | $1,680,000 | 1,213,926 Indirect | +9.47% | Acquired | -29.0% (price as of 2026-10-02) |
| April 13, 2020 | KROS | P | 94,546 | $16.00 | $1,512,736 | 1,109,802 Indirect | +9.31% | Acquired | -29.0% (price as of 2026-10-02) |
| April 13, 2020 | KROS | P | 194,203 | $16.00 | $3,107,248 | 2,261,517 Indirect | +9.39% | Acquired | -29.0% (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 36,858 | · | · | 105,512 Indirect | +53.69% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 79,653 | · | · | 1,108,926 Indirect | +7.74% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 88,460 | · | · | 1,015,256 Indirect | +9.54% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 163,612 | · | · | 2,067,314 Indirect | +8.59% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 68,654 | · | · | 68,654 Indirect | · | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 91,538 | · | · | 1,029,273 Indirect | +9.76% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 82,425 | · | · | 926,796 Indirect | +9.76% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 169,307 | · | · | 1,903,702 Indirect | +9.76% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 737,226 | · | · | 937,735 Indirect | +367.68% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 663,825 | · | · | 844,371 Indirect | +367.68% | Acquired | (price as of 2026-10-02) |
| April 13, 2020 | KROS | C | 1,363,542 | · | · | 1,734,395 Indirect | +367.68% | Acquired | (price as of 2026-10-02) |
| June 24, 2019 | ELOX | P | 24,000 | $9.00 | $216,000 | 24,000 Indirect | · | Acquired | 72.3% (price as of 2026-10-02) |
| June 24, 2019 | ELOX | P | 46,933 | $9.00 | $422,397 | 567,329 Indirect | +9.02% | Acquired | 72.3% (price as of 2026-10-02) |
| June 24, 2019 | ELOX | P | 86,806 | $9.00 | $781,254 | 1,049,310 Indirect | +9.02% | Acquired | 72.3% (price as of 2026-10-02) |
| June 24, 2019 | ELOX | P | 42,261 | $9.00 | $380,349 | 510,846 Indirect | +9.02% | Acquired | 72.3% (price as of 2026-10-02) |
| June 3, 2019 | URGN | A | 10,000 | · | · | 10,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | ELOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 29, 2019 | ELOX | A | 20,000 | · | · | 20,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 15, 2018 | ELOX | A | 40,000 | · | · | 40,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 30, 2018 | ELOX | P | 93,333 | $9.75 | $909,997 | 520,396 Indirect | +21.85% | Acquired | 59.1% (price as of 2026-10-02) |
| April 30, 2018 | ELOX | P | 172,626 | $9.75 | $1,683,104 | 962,504 Indirect | +21.85% | Acquired | 59.1% (price as of 2026-10-02) |
| April 30, 2018 | ELOX | P | 84,041 | $9.75 | $819,400 | 468,585 Indirect | +21.85% | Acquired | 59.1% (price as of 2026-10-02) |
| March 22, 2018 | ELOX | P | 1,600 | $8.00 | $12,800 | 427,063 Indirect | +0.38% | Acquired | 93.9% (price as of 2026-10-02) |
| March 22, 2018 | ELOX | P | 2,959 | $8.00 | $23,672 | 789,878 Indirect | +0.38% | Acquired | 93.9% (price as of 2026-10-02) |
| March 22, 2018 | ELOX | P | 1,441 | $8.00 | $11,528 | 384,544 Indirect | +0.38% | Acquired | 93.9% (price as of 2026-10-02) |
| March 21, 2018 | ELOX | P | 1,760 | $7.55 | $13,288 | 425,463 Indirect | +0.42% | Acquired | 105.4% (price as of 2026-10-02) |
| March 21, 2018 | ELOX | P | 3,255 | $7.55 | $24,575 | 786,919 Indirect | +0.42% | Acquired | 105.4% (price as of 2026-10-02) |
| March 21, 2018 | ELOX | P | 1,585 | $7.55 | $11,967 | 383,103 Indirect | +0.42% | Acquired | 105.4% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| June 3, 2026 | LBRX | Stock Option (Right to Buy) | Common Stock | $27.95 | June 2, 2036 | 10,000 | Acquired |
| Sept. 12, 2025 | LBRX | Series C Preferred Stock | Common Stock | · | · | 10,000,000 | Disposed |
| Sept. 10, 2025 | LBRX | Stock Option (Right to Buy) | Common Stock | $15.00 | Sept. 9, 2035 | 22,449 | Acquired |
| June 4, 2025 | KROS | Stock Option (right to buy) | Common Stock | $14.82 | June 3, 2035 | 10,500 | Acquired |
| May 30, 2024 | KROS | Stock Option (right to buy) | Common Stock | $46.31 | May 29, 2034 | 10,000 | Acquired |
| June 6, 2023 | KROS | Stock Option (right to buy) | Common Stock | $48.79 | June 5, 2033 | 10,000 | Acquired |
| Nov. 29, 2022 | KROS | Call Options (obligation to sell) | Common Stock | $0.00 | Oct. 7, 2023 | 1,914 | Disposed |
| Nov. 29, 2022 | KROS | Call Options (obligation to sell) | Common Stock | $0.00 | Oct. 7, 2023 | 1,723 | Disposed |
| Nov. 29, 2022 | KROS | Call Options (obligation to sell) | Common Stock | $0.00 | Oct. 7, 2023 | 3,539 | Disposed |
| Oct. 21, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.94 | Dec. 27, 2022 | 32,723 | Disposed |
| Oct. 21, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.94 | Dec. 27, 2022 | 15,276 | Disposed |
| Oct. 21, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.94 | Dec. 27, 2022 | 32,723 | Disposed |
| Oct. 21, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.94 | Dec. 27, 2022 | 15,276 | Disposed |
| June 16, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.00 | Sept. 1, 2022 | 2,211 | Disposed |
| June 15, 2022 | ELOX | Stock Options (Right to Buy) | Common Stock | $0.26 | June 15, 2032 | 20,000 | Acquired |
| June 8, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $7.06 | June 8, 2032 | 6,817 | Acquired |
| June 8, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $7.06 | June 8, 2032 | 3,183 | Acquired |
| June 6, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.00 | Sept. 1, 2022 | 1,030 | Disposed |
| June 6, 2022 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.00 | Aug. 31, 2022 | 1,030 | Disposed |
| June 1, 2022 | KROS | Stock Options (right to buy) | Common Stock | $32.95 | May 31, 2032 | 8,293 | Acquired |
| June 7, 2021 | URGN | Stock Option (right to buy) | Common Stock | $17.89 | June 6, 2031 | 6,817 | Acquired |
| June 7, 2021 | URGN | Stock Option (right to buy) | Common Stock | $17.89 | June 6, 2031 | 3,183 | Acquired |
| June 1, 2021 | KROS | Stock Option (right to buy) | Common Stock | $51.48 | May 31, 2031 | 8,293 | Acquired |
| May 19, 2021 | ELOX | Stock Option (Right to Buy) | Common Stock | $1.48 | May 19, 2031 | 20,000 | Acquired |
| March 25, 2021 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.00 | July 27, 2021 | 1,030 | Disposed |
| March 25, 2021 | URGN | Stock Option (right to buy) | Common Stock | $5.00 | July 27, 2021 | 2,211 | Disposed |
| March 24, 2021 | URGN | Stock Option (right to buy) | Ordinary Shares | $5.00 | July 27, 2021 | 1,030 | Disposed |
| June 8, 2020 | URGN | Stock Option (right to buy) | Ordinary Shares | $28.24 | June 7, 2030 | 10,000 | Acquired |
| May 20, 2020 | ELOX | Stock Option (Right to Buy) | Common Stock | $3.39 | May 20, 2030 | 20,000 | Acquired |
| April 13, 2020 | KROS | Series C Preferred Stock | Common Stock | · | · | 36,858 | Disposed |
| April 13, 2020 | KROS | Series C Preferred Stock | Common Stock | · | · | 79,653 | Disposed |
| April 13, 2020 | KROS | Series C Preferred Stock | Common Stock | · | · | 88,460 | Disposed |
| April 13, 2020 | KROS | Series C Preferred Stock | Common Stock | · | · | 163,612 | Disposed |
| April 13, 2020 | KROS | Series B-1 Preferred Stock | Common Stock | · | · | 68,654 | Disposed |
| April 13, 2020 | KROS | Series B-1 Preferred Stock | Common Stock | · | · | 91,538 | Disposed |
| April 13, 2020 | KROS | Series B-1 Preferred Stock | Common Stock | · | · | 82,425 | Disposed |
| April 13, 2020 | KROS | Series B-1 Preferred Stock | Common Stock | · | · | 169,307 | Disposed |
| April 13, 2020 | KROS | Series A Preferred Stock | Common Stock | · | · | 737,226 | Disposed |
| April 13, 2020 | KROS | Series A Preferred Stock | Common Stock | · | · | 663,825 | Disposed |
| April 13, 2020 | KROS | Series A Preferred Stock | Common Stock | · | · | 1,363,542 | Disposed |
| June 3, 2019 | URGN | Stock Option (Right to Buy) | Ordinary Shares | $34.83 | June 2, 2029 | 10,000 | Acquired |
| May 29, 2019 | ELOX | Stock Option (Right to Buy) | Common Stock | $9.02 | May 29, 2029 | 20,000 | Acquired |
| May 29, 2019 | ELOX | Stock Option (Right to Buy) | Common Stock | $9.02 | May 29, 2029 | 20,000 | Acquired |
| June 15, 2018 | ELOX | Stock Option (Right to Buy) | Common Stock | $23.27 | June 15, 2028 | 40,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 33 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 11, 2025 | LBRX | Series C Preferred Stock | 411,681 | Indirect |
| Nov. 30, 2022 | KROS | Call Options (obligation to sell) [F1] | 3,539 | Indirect |
| Nov. 30, 2022 | KROS | Call Options (obligation to sell) [F1] | 1,723 | Indirect |
| Nov. 30, 2022 | KROS | Call Options (obligation to sell) [F1] | 1,914 | Indirect |
| April 7, 2020 | KROS | Common Stock | 370,853 | Indirect |
| April 7, 2020 | KROS | Common Stock | 180,546 | Indirect |
| April 7, 2020 | KROS | Common Stock | 200,509 | Indirect |
| April 7, 2020 | KROS | Series A Preferred Stock | 1,363,542 | Indirect |
| April 7, 2020 | KROS | Series A Preferred Stock | 663,825 | Indirect |
| April 7, 2020 | KROS | Series A Preferred Stock | 737,226 | Indirect |
| April 7, 2020 | KROS | Series B-1 Preferred Stock | 169,307 | Indirect |
| April 7, 2020 | KROS | Series B-1 Preferred Stock | 82,425 | Indirect |
| April 7, 2020 | KROS | Series B-1 Preferred Stock | 91,538 | Indirect |
| April 7, 2020 | KROS | Series B-1 Preferred Stock | 68,654 | Indirect |
| April 7, 2020 | KROS | Series C Preferred Stock | 163,612 | Indirect |
| April 7, 2020 | KROS | Series C Preferred Stock | 88,460 | Indirect |
| April 7, 2020 | KROS | Series C Preferred Stock | 79,653 | Indirect |
| April 7, 2020 | KROS | Series C Preferred Stock | 36,858 | Indirect |
| Jan. 10, 2019 | URGN | Ordinary Shares | 968,525 | Indirect |
| Jan. 10, 2019 | URGN | Ordinary Shares | 452,162 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 2,211 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 2,211 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 32,723 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 6,817 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 1,030 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 1,030 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 15,276 | Indirect |
| Jan. 10, 2019 | URGN | Stock Option (right to buy) | 3,183 | Indirect |
| Dec. 29, 2017 | ELOX | Common Stock | 2,287,937 | Indirect |
| Dec. 29, 2017 | ELOX | Common Stock | 4,900,249 | Indirect |
| Dec. 29, 2017 | ELOX | Common Stock | 381,518 | Indirect |
| Dec. 29, 2017 | ELOX | Common Stock | 783,664 | Indirect |
| Dec. 29, 2017 | ELOX | Common Stock | 423,703 | Indirect |