Stonehouse Jon P

Director · Officer · BCRX, MTSR

As of 2026-09-16, Stonehouse Jon P has 25 Form 4 transactions on record across 2 companies — 18 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: $11.3MIndirect: $337K$11.6Mas of 2026-09-16
  • Direct $11.3M
  • Indirect $337K
BCRXdirect1,340,419 sh$11.3M
BCRXindirect40,000 sh$337K

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

BCRX · 18 trades
2026-08-31: Award / grant, 644 sh ($6K)2026-06-11: Award / grant, 15,294 sh ($0)2026-06-11: Award / grant, 33,540 sh ($0)2026-05-29: Award / grant, 631 sh ($6K)2026-03-02: Disposition, 305,995 sh ($2.6M)2026-03-02: Option exercise, 305,995 sh ($985K)2026-03-02: Option exercise, 305,995 sh ($0)2026-02-27: Award / grant, 421 sh ($4K)2025-12-19: Withheld for tax, 61,793 sh ($458K)2025-12-18: Gift, 20,000 sh ($0)2025-12-18: Gift, 10,000 sh ($0)2025-12-12: Withheld for tax, 27,368 sh ($207K)2024-12-20: Gift, 10,000 sh ($0)2024-12-20: Gift, 20,000 sh ($0)2024-12-19: Withheld for tax, 14,010 sh ($104K)2024-12-19: Award / grant, 750,250 sh ($0)2024-12-19: Award / grant, 362,100 sh ($0)2024-12-14: Withheld for tax, 27,525 sh ($207K)
MTSR · 7 trades
2025-11-13: Award / grant, 2,688 sh2025-11-13: Disposition, 2,688 sh2025-11-13: Award / grant, 2,688 sh2025-11-13: Disposition, 47,730 sh2025-11-13: Disposition, 47,730 sh2025-11-13: Disposition, 2,688 sh2025-04-28: Award / grant, 47,730 sh ($946K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
25 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-31BCRXAward / grant6441,340,419Form 4
2026-06-11BCRXAward / grant15,2941,339,775Form 4
2026-06-11BCRXAward / grant33,54033,540Form 4
2026-05-29BCRXAward / grant6311,324,481Form 4
2026-03-02BCRXDisposition305,9951,323,850Form 4
2026-03-02BCRXOption exercise305,9951,629,845Form 4
2026-03-02BCRXOption exercise305,9950Form 4
2026-02-27BCRXAward / grant4211,323,850Form 4
2025-12-19BCRXWithheld for tax61,7931,323,429Form 4
2025-12-18BCRXGift20,0001,385,222Form 4
2025-12-18BCRXGift10,00040,000Form 4
2025-12-12BCRXWithheld for tax27,3681,405,222Form 4
2025-11-13MTSRAward / grant2,6882,688Form 4
2025-11-13MTSRDisposition2,6880Form 4
2025-11-13MTSRAward / grant2,6882,688Form 4
2025-11-13MTSRDisposition47,7300Form 4
2025-11-13MTSRDisposition47,7300Form 4
2025-11-13MTSRDisposition2,6880Form 4
2025-04-28MTSRAward / grant47,73047,730Form 4
2024-12-20BCRXGift10,00030,000Form 4
2024-12-20BCRXGift20,0001,429,109Form 4
2024-12-19BCRXWithheld for tax14,0101,449,109Form 4
2024-12-19BCRXAward / grant750,250750,250Form 4
2024-12-19BCRXAward / grant362,1001,463,119Form 4
2024-12-14BCRXWithheld for tax27,5251,101,019Form 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.