Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 43 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

43 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 14, 2024 JBIO S 10b5-1 15,000 $25.03 $375,450 5,022 Direct -74.92% Disposed -98.4% (price as of 2026-10-02)
April 10, 2024 JBIO S 10b5-1 6,729 $26.77 $180,135 2,731 Direct -71.13% Disposed -98.5% (price as of 2026-10-02)
April 10, 2024 JBIO S 10b5-1 771 $27.56 $21,249 1,960 Direct -28.23% Disposed -98.5% (price as of 2026-10-02)
April 1, 2024 JBIO S 10b5-1 12,495 $31.23 $390,219 1,960 Direct -86.44% Disposed -98.7% (price as of 2026-10-02)
March 13, 2024 JBIO S 10b5-1 2,016 $25.02 $50,440 1,960 Direct -50.70% Disposed -98.4% (price as of 2026-10-02)
March 12, 2024 JBIO S 10b5-1 2,051 $25.05 $51,378 1,960 Direct -51.13% Disposed -98.4% (price as of 2026-10-02)
March 11, 2024 JBIO S 10b5-1 3,423 $25.24 $86,397 1,970 Direct -63.47% Disposed -98.4% (price as of 2026-10-02)
March 11, 2024 JBIO S 10b5-1 10 $26.30 $263 1,960 Direct -0.51% Disposed -98.5% (price as of 2026-10-02)
March 8, 2024 JBIO S 10b5-1 114 $25.00 $2,850 1,960 Direct -5.50% Disposed -98.4% (price as of 2026-10-02)
March 7, 2024 JBIO S 10b5-1 22,386 $25.00 $559,650 1,960 Direct -91.95% Disposed -98.4% (price as of 2026-10-02)
Dec. 12, 2022 JBIO S 10b5-1 10,000 $30.04 $300,400 1,960 Direct -83.61% Disposed -98.7% (price as of 2026-10-02)
Dec. 9, 2022 JBIO S 10b5-1 3,386 $24.23 $82,043 2,543 Direct -57.11% Disposed -98.3% (price as of 2026-10-02)
Dec. 9, 2022 JBIO S 10b5-1 583 $25.23 $14,709 1,960 Direct -22.93% Disposed -98.4% (price as of 2026-10-02)
Dec. 8, 2022 JBIO S 10b5-1 960 $20.12 $19,315 13,011 Direct -6.87% Disposed -98.0% (price as of 2026-10-02)
Dec. 8, 2022 JBIO S 10b5-1 20 $20.58 $412 12,991 Direct -0.15% Disposed -98.0% (price as of 2026-10-02)
Dec. 8, 2022 JBIO S 10b5-1 11,031 $24.20 $266,950 1,960 Direct -84.91% Disposed -98.3% (price as of 2026-10-02)
Dec. 7, 2022 JBIO S 10b5-1 7,079 $19.37 $137,120 6,518 Direct -52.06% Disposed -97.9% (price as of 2026-10-02)
Dec. 7, 2022 JBIO S 10b5-1 4,558 $20.40 $92,983 1,960 Direct -69.93% Disposed -98.0% (price as of 2026-10-02)
Nov. 30, 2022 JBIO S 10b5-1 85 $19.06 $1,620 1,960 Direct -4.16% Disposed -97.9% (price as of 2026-10-02)
Nov. 23, 2022 JBIO S 10b5-1 1,261 $19.07 $24,047 1,960 Direct -39.15% Disposed -97.9% (price as of 2026-10-02)
Nov. 22, 2022 JBIO S 10b5-1 174 $19.01 $3,308 1,960 Direct -8.15% Disposed -97.9% (price as of 2026-10-02)
Nov. 21, 2022 JBIO S 10b5-1 2 $19.00 $38 1,960 Direct -0.10% Disposed -97.9% (price as of 2026-10-02)
Nov. 18, 2022 JBIO S 10b5-1 780 $19.45 $15,171 2,041 Direct -27.65% Disposed -97.9% (price as of 2026-10-02)
Nov. 18, 2022 JBIO S 10b5-1 81 $20.13 $1,631 1,960 Direct -3.97% Disposed -98.0% (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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 14, 2024 JBIO Stock Option (Right to Buy) Common Stock (15,000) $2.14 April 1, 2031 15,000 Disposed
April 10, 2024 JBIO Stock Option (Right to Buy) Common Stock (7,500) $2.14 April 1, 2031 7,500 Disposed
April 1, 2024 JBIO Stock Option (Right to Buy) Common Stock (12,495) $2.14 April 1, 2031 12,495 Disposed
March 13, 2024 JBIO Stock Option (Right to Buy) Common Stock (2,016) $2.14 April 1, 2031 2,016 Disposed
March 12, 2024 JBIO Stock Option (Right to Buy) Common Stock (2,051) $2.14 April 1, 2031 2,051 Disposed
March 11, 2024 JBIO Stock Option (Right to Buy) Common Stock (3,433) $2.14 April 1, 2031 3,433 Disposed
March 8, 2024 JBIO Stock Option (Right to Buy) Common Stock (114) $2.14 April 1, 2031 114 Disposed
March 7, 2024 JBIO Stock Option (Right to Buy) Common Stock (1,400) $2.14 April 1, 2031 1,400 Disposed
March 7, 2024 JBIO Stock Option (Right to Buy) Common Stock (20,986) $2.14 April 1, 2031 20,986 Disposed
Jan. 22, 2024 JBIO Stock Options (Right to Buy) Common Stock (66,586) $20.00 Jan. 21, 2034 66,586 Acquired
Feb. 7, 2023 JBIO Stock Option (Right to Buy) Common Stock (85,000) $25.57 Feb. 6, 2033 85,000 Acquired
Dec. 12, 2022 JBIO Stock Option (Right to Buy) Common Stock (7,094) $2.14 April 1, 2031 7,094 Disposed
Dec. 12, 2022 JBIO Stock Option (Right to Buy) Common Stock (2,906) $2.14 April 1, 2031 2,906 Disposed
Dec. 9, 2022 JBIO Stock Option (Right to Buy) Common Stock (3,969) $2.14 April 1, 2031 3,969 Disposed
Dec. 8, 2022 JBIO Stock Option (Right to Buy) Common Stock (1,887) $2.14 April 1, 2031 1,887 Disposed
Dec. 8, 2022 JBIO Stock Option (Right to Buy) Common Stock (10,124) $2.14 April 1, 2031 10,124 Disposed
Dec. 7, 2022 JBIO Stock Option (Right to Buy) Common Stock (11,637) $2.14 April 1, 2031 11,637 Disposed
Nov. 30, 2022 JBIO Stock Option (Right to Buy) Common Stock (85) $2.14 April 1, 2031 85 Disposed
Nov. 23, 2022 JBIO Stock Option (Right to Buy) Common Stock (1,261) $2.14 April 1, 2031 1,261 Disposed
Nov. 22, 2022 JBIO Stock Option (Right to Buy) Common Stock (174) $2.14 April 1, 2031 174 Disposed
Nov. 21, 2022 JBIO Stock Option (Right to Buy) Common Stock (2) $2.14 April 1, 2031 2 Disposed
Nov. 18, 2022 JBIO Stock Option (Right to Buy) Common Stock (861) $2.14 April 1, 2031 861 Disposed
Dec. 14, 2021 JBIO Stock Option (Right to Buy) Common Stock (65,433) $10.61 Dec. 13, 2031 65,433 Acquired
June 29, 2021 JBIO Stock Option (Right to Buy) Common Stock (76,900) $14.00 June 28, 2031 76,900 Acquired
April 2, 2021 JBIO Stock Option (Right to Buy) Common Stock · April 1, 2031 50,850 Acquired
April 2, 2021 JBIO Stock Option (Right to Buy) Common Stock · April 1, 2031 98,676 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 29, 2021 JBIO Stock Option (Right to Buy)→ Common Stock (50,850) 50,850 Direct
June 29, 2021 JBIO Stock Option (Right to Buy)→ Common Stock (98,676) 98,676 Direct