Aryeh Jason

Director · OBIO, LGND, LFCR

As of 2026-09-16, Aryeh Jason has 26 Form 4 transactions on record across 3 companies — 15 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $28.8MIndirect: $0$28.8Mas of 2026-09-16
  • Direct $28.8M
  • Indirect $0
LGNDdirect102,580 sh$28.2M
LFCRdirect69,967 sh$291K
OBIOdirect42,553 sh$256K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

LGND · 11 trades
2026-06-11: Sale, 4,500 sh ($1.1M)2026-06-10: Sale, 500 sh ($125K)2026-06-05: Award / grant, 2,938 sh ($0)2026-06-05: Award / grant, 836 sh ($0)2025-12-08: Option exercise, 2,034 sh ($141K)2025-12-08: Option exercise, 2,034 sh ($0)2025-09-23: Sale, 4,628 sh ($791K)2025-09-23: Sale, 4,418 sh ($753K)2025-09-23: Sale, 954 sh ($164K)2025-06-06: Award / grant, 5,783 sh ($0)2025-06-06: Award / grant, 1,209 sh ($0)
OBIO · 9 trades
2026-06-23: Award / grant, 42,553 sh ($0)2026-05-18: Purchase, 665 sh ($2K)2026-05-15: Purchase, 8,971 sh ($35K)2025-09-19: Purchase, 1,000 sh ($2K)2025-08-07: Award / grant, 15,000 sh ($0)2025-06-24: Award / grant, 36,797 sh ($0)2025-06-24: Award / grant, 12,422 sh ($0)2024-12-27: Option exercise, 11,700 sh ($50K)2024-12-27: Option exercise, 11,700 sh ($0)
LFCR · 4 trades
2026-06-04: Award / grant, 25,907 sh2026-06-04: Award / grant, 25,907 sh2025-07-15: Award / grant, 19,506 sh2025-07-15: Award / grant, 19,506 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-06-11LGNDSale4,500 @ $250.00$1.1M−4.2% of holding102,580Form 4
2026-06-10LGNDSale500 @ $250.00$125K−0.5% of holding107,080Form 4
2026-05-18OBIOPurchase665 @ $3.75$2K+0.6% of holding118,118Form 4
2026-05-15OBIOPurchase8,971 @ $3.90$35K+8.3% of holding117,453Form 4
2025-09-23LGNDSale4,628 @ $170.96$791K−6.2% of holding70,243Form 4
2025-09-23LGNDSale4,418 @ $170.41$753K−5.6% of holding74,871Form 4
2025-09-23LGNDSale954 @ $171.92$164K−1.4% of holding69,289Form 4
2025-09-19OBIOPurchase1,000 @ $2.45$2K+0.9% of holding108,482Form 4
18 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-06-23OBIOAward / grant42,55342,553Form 4
2026-06-05LGNDAward / grant2,9382,938Form 4
2026-06-05LGNDAward / grant836107,580Form 4
2026-06-04LFCRAward / grant25,90769,967Form 4
2026-06-04LFCRAward / grant25,90769,967Form 4
2025-12-08LGNDOption exercise2,03471,323Form 4
2025-12-08LGNDOption exercise2,0340Form 4
2025-08-07OBIOAward / grant15,000107,482Form 4
2025-07-15LFCRAward / grant19,50644,060Form 4
2025-07-15LFCRAward / grant19,50644,060Form 4
2025-06-24OBIOAward / grant36,79736,797Form 4
2025-06-24OBIOAward / grant12,42292,482Form 4
2025-06-06LGNDAward / grant5,7835,783Form 4
2025-06-06LGNDAward / grant1,20979,289Form 4
2025-04-04—Award / grant4,9644,964Form 4
2025-04-04—Award / grant25,00025,000Form 4
2024-12-27OBIOOption exercise11,70080,060Form 4
2024-12-27OBIOOption exercise11,7006,900Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.