Ralph Niven
First SEC filing: June 29, 2021 · Latest: June 29, 2021
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 5, 2024 | JBIO | M 10b5-1 | 1,400 | $1.74 | $2,436 | 3,009 Direct | +87.01% | Acquired | -76.9% (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 3,200 | $2.14 | $6,848 | 6,209 Direct | +106.35% | Acquired | -81.2% (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | S 10b5-1 | 4,600 | $17.45 | $80,270 | 1,609 Direct | -74.09% | Disposed | -97.7% (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 900 | · | · | 13,308 Direct | -6.33% | Disposed | (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 500 | · | · | 9,088 Direct | -5.21% | Disposed | (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 500 | · | · | 10,894 Direct | -4.39% | Disposed | (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 1,200 | · | · | 34,908 Direct | -3.32% | Disposed | (price as of 2026-10-05) |
| Feb. 5, 2024 | JBIO | M 10b5-1 | 1,500 | · | · | 41,732 Direct | -3.47% | Disposed | (price as of 2026-10-05) |
| Jan. 22, 2024 | JBIO | A | 66,586 | · | · | 66,586 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 1,400 | $1.74 | $2,436 | 3,009 Direct | +87.01% | Acquired | -76.9% (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 3,200 | $2.14 | $6,848 | 6,209 Direct | +106.35% | Acquired | -81.2% (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | S 10b5-1 | 2,126 | $18.67 | $39,692 | 4,083 Direct | -34.24% | Disposed | -97.8% (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | S 10b5-1 | 2,474 | $19.57 | $48,416 | 1,609 Direct | -60.59% | Disposed | -97.9% (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 900 | · | · | 14,208 Direct | -5.96% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 500 | · | · | 9,588 Direct | -4.96% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 500 | · | · | 11,394 Direct | -4.20% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 1,200 | · | · | 36,108 Direct | -3.22% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2024 | JBIO | M 10b5-1 | 1,500 | · | · | 43,232 Direct | -3.35% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 1,400 | $1.74 | $2,436 | 3,009 Direct | +87.01% | Acquired | -76.9% (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 3,200 | $2.14 | $6,848 | 6,209 Direct | +106.35% | Acquired | -81.2% (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | S 10b5-1 | 4,600 | $16.30 | $74,980 | 1,609 Direct | -74.09% | Disposed | -97.5% (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 900 | · | · | 15,108 Direct | -5.62% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 500 | · | · | 10,088 Direct | -4.72% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 500 | · | · | 11,894 Direct | -4.03% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 1,200 | · | · | 37,308 Direct | -3.12% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2023 | JBIO | M 10b5-1 | 1,500 | · | · | 44,732 Direct | -3.24% | Disposed | (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 4,200 | $1.74 | $7,308 | 5,809 Direct | +261.03% | Acquired | -76.9% (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 9,600 | $2.14 | $20,544 | 15,409 Direct | +165.26% | Acquired | -81.2% (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | S 10b5-1 | 13,800 | $15.00 | $207,000 | 1,609 Direct | -89.56% | Disposed | -97.3% (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 2,700 | · | · | 16,008 Direct | -14.43% | Disposed | (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 1,500 | · | · | 10,588 Direct | -12.41% | Disposed | (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 1,500 | · | · | 12,394 Direct | -10.80% | Disposed | (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 3,600 | · | · | 38,508 Direct | -8.55% | Disposed | (price as of 2026-10-05) |
| Nov. 22, 2023 | JBIO | M 10b5-1 | 4,500 | · | · | 46,232 Direct | -8.87% | Disposed | (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| July 5, 2023 | JBIO | S 10b5-1 | 2,031 | $17.23 | $34,994 | 1,828 Direct | -52.63% | Disposed | -97.7% (price as of 2026-10-05) |
| July 5, 2023 | JBIO | S 10b5-1 | 219 | $17.87 | $3,914 | 1,609 Direct | -11.98% | Disposed | -97.8% (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 450 | · | · | 18,708 Direct | -2.35% | Disposed | (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 12,088 Direct | -1.63% | Disposed | (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 13,894 Direct | -1.42% | Disposed | (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 650 | · | · | 42,108 Direct | -1.52% | Disposed | (price as of 2026-10-05) |
| July 5, 2023 | JBIO | M 10b5-1 | 750 | · | · | 50,732 Direct | -1.46% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| June 5, 2023 | JBIO | S 10b5-1 | 2,250 | $16.26 | $36,585 | 1,609 Direct | -58.31% | Disposed | -97.5% (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 450 | · | · | 19,158 Direct | -2.29% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 12,288 Direct | -1.60% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 14,094 Direct | -1.40% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 650 | · | · | 42,758 Direct | -1.50% | Disposed | (price as of 2026-10-05) |
| June 5, 2023 | JBIO | M 10b5-1 | 750 | · | · | 51,482 Direct | -1.44% | Disposed | (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| May 5, 2023 | JBIO | S 10b5-1 | 2,045 | $20.79 | $42,516 | 1,814 Direct | -52.99% | Disposed | -98.1% (price as of 2026-10-05) |
| May 5, 2023 | JBIO | S 10b5-1 | 205 | $21.63 | $4,434 | 1,609 Direct | -11.30% | Disposed | -98.1% (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 450 | · | · | 19,608 Direct | -2.24% | Disposed | (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 12,488 Direct | -1.58% | Disposed | (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 14,294 Direct | -1.38% | Disposed | (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 650 | · | · | 43,408 Direct | -1.48% | Disposed | (price as of 2026-10-05) |
| May 5, 2023 | JBIO | M 10b5-1 | 750 | · | · | 52,232 Direct | -1.42% | Disposed | (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| April 5, 2023 | JBIO | S 10b5-1 | 1,715 | $17.91 | $30,716 | 2,144 Direct | -44.44% | Disposed | -97.8% (price as of 2026-10-05) |
| April 5, 2023 | JBIO | S 10b5-1 | 535 | $19.11 | $10,224 | 1,609 Direct | -24.95% | Disposed | -97.9% (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 450 | · | · | 20,058 Direct | -2.19% | Disposed | (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 12,688 Direct | -1.55% | Disposed | (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 14,494 Direct | -1.36% | Disposed | (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 650 | · | · | 44,058 Direct | -1.45% | Disposed | (price as of 2026-10-05) |
| April 5, 2023 | JBIO | M 10b5-1 | 750 | · | · | 52,982 Direct | -1.40% | Disposed | (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| March 6, 2023 | JBIO | S 10b5-1 | 2,205 | $23.73 | $52,325 | 1,654 Direct | -57.14% | Disposed | -98.3% (price as of 2026-10-05) |
| March 6, 2023 | JBIO | S 10b5-1 | 45 | $24.92 | $1,121 | 1,609 Direct | -2.72% | Disposed | -98.4% (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 450 | · | · | 20,508 Direct | -2.15% | Disposed | (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 200 | · | · | 12,888 Direct | -1.53% | Disposed | (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 200 | · | · | 14,694 Direct | -1.34% | Disposed | (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 650 | · | · | 44,708 Direct | -1.43% | Disposed | (price as of 2026-10-05) |
| March 6, 2023 | JBIO | M 10b5-1 | 750 | · | · | 53,732 Direct | -1.38% | Disposed | (price as of 2026-10-05) |
| Feb. 7, 2023 | JBIO | A | 62,000 | · | · | 62,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | S 10b5-1 | 2,250 | $24.27 | $54,608 | 1,609 Direct | -58.31% | Disposed | -98.3% (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 450 | · | · | 20,958 Direct | -2.10% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 200 | · | · | 13,088 Direct | -1.51% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 200 | · | · | 14,894 Direct | -1.33% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 650 | · | · | 45,358 Direct | -1.41% | Disposed | (price as of 2026-10-05) |
| Feb. 6, 2023 | JBIO | M 10b5-1 | 750 | · | · | 54,482 Direct | -1.36% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | S 10b5-1 | 2,250 | $26.40 | $59,400 | 1,609 Direct | -58.31% | Disposed | -98.5% (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 450 | · | · | 21,408 Direct | -2.06% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 13,288 Direct | -1.48% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 200 | · | · | 15,094 Direct | -1.31% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 650 | · | · | 46,008 Direct | -1.39% | Disposed | (price as of 2026-10-05) |
| Jan. 5, 2023 | JBIO | M 10b5-1 | 750 | · | · | 55,232 Direct | -1.34% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2022 | JBIO | M 10b5-1 | 650 | $1.74 | $1,131 | 2,259 Direct | +40.40% | Acquired | -76.9% (price as of 2026-10-05) |
| Dec. 5, 2022 | JBIO | M 10b5-1 | 1,600 | $2.14 | $3,424 | 3,859 Direct | +70.83% | Acquired | -81.2% (price as of 2026-10-05) |
| Dec. 5, 2022 | JBIO | S 10b5-1 | 2,250 | $17.38 | $39,105 | 1,609 Direct | -58.31% | Disposed | -97.7% (price as of 2026-10-05) |
| Dec. 5, 2022 | JBIO | M 10b5-1 | 450 | · | · | 21,858 Direct | -2.02% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2022 | JBIO | M 10b5-1 | 200 | · | · | 13,488 Direct | -1.46% | Disposed | (price as of 2026-10-05) |
Showing latest 100 of 143 transactions
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 |
|---|---|---|---|---|---|---|---|
| Feb. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 900 | Disposed |
| Feb. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 500 | Disposed |
| Feb. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 500 | Disposed |
| Feb. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,200 | Disposed |
| Feb. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,500 | Disposed |
| Jan. 22, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $20.00 | Jan. 21, 2034 | 66,586 | Acquired |
| Jan. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 900 | Disposed |
| Jan. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 500 | Disposed |
| Jan. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 500 | Disposed |
| Jan. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,200 | Disposed |
| Jan. 5, 2024 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,500 | Disposed |
| Dec. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 900 | Disposed |
| Dec. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 500 | Disposed |
| Dec. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 500 | Disposed |
| Dec. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,200 | Disposed |
| Dec. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,500 | Disposed |
| Nov. 22, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 2,700 | Disposed |
| Nov. 22, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 1,500 | Disposed |
| Nov. 22, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 1,500 | Disposed |
| Nov. 22, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 3,600 | Disposed |
| Nov. 22, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 4,500 | Disposed |
| July 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| July 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| July 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| July 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| July 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| June 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| June 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| June 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| June 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| June 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| May 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| May 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| May 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| May 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| May 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| April 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| April 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| April 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| April 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| April 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| March 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| March 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| March 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| March 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| March 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Feb. 7, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $25.57 | Feb. 6, 2033 | 62,000 | Acquired |
| Feb. 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Feb. 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Feb. 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Feb. 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Feb. 6, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Jan. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Jan. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Jan. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Jan. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Jan. 5, 2023 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Dec. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Dec. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Dec. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Dec. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Dec. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Nov. 7, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Nov. 7, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Nov. 7, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Nov. 7, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Nov. 7, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Oct. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Oct. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Oct. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Oct. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Oct. 5, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Sept. 6, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Sept. 6, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Sept. 6, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Sept. 6, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Sept. 6, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Aug. 18, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 450 | Disposed |
| Aug. 18, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $1.74 | Sept. 3, 2030 | 200 | Disposed |
| Aug. 18, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 200 | Disposed |
| Aug. 18, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 650 | Disposed |
| Aug. 18, 2022 | JBIO | Stock Option (Right to Buy) | Common Stock | $2.14 | April 1, 2031 | 750 | Disposed |
| Dec. 14, 2021 | JBIO | Stock Option (Right to Buy) | Common Stock | $10.61 | Dec. 13, 2031 | 65,433 | Acquired |
| June 29, 2021 | JBIO | Stock Option (Right to Buy) | Common Stock | $14.00 | June 28, 2031 | 26,300 | Acquired |
| April 2, 2021 | JBIO | Stock Option (Right to Buy) | Common Stock | · | April 1, 2031 | 16,294 | Acquired |
| April 2, 2021 | JBIO | Stock Option (Right to Buy) | Common Stock | · | April 1, 2031 | 109,640 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 29, 2021 | JBIO | Common Stock | 1,609 | Direct |
| June 29, 2021 | JBIO | Stock Option (Right to Buy) | 14,488 | Direct |
| June 29, 2021 | JBIO | Stock Option (Right to Buy) | 24,108 | Direct |
| June 29, 2021 | JBIO | Stock Option (Right to Buy) | 16,294 | Direct |
| June 29, 2021 | JBIO | Stock Option (Right to Buy) | 109,640 | Direct |