Dere Willard H

Director · BMRN, MRSN, MCRB

As of 2026-09-16, Dere Willard H has 33 Form 4 transactions on record across 3 companies — 29 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: $3.4MIndirect: $0$3.4Mas of 2026-09-16
  • Direct $3.4M
  • Indirect $0
BMRNdirect46,440 sh$3.0M
MCRBdirect100,000 sh$421K

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

MRSN · 27 trades
2026-01-06: Disposition, 800 sh2026-01-06: Disposition, 544 sh2026-01-06: Disposition, 1,000 sh2026-01-06: Disposition, 450 sh2026-01-06: Disposition, 1,002 sh2026-01-06: Disposition, 513 sh2026-01-06: Disposition, 1,800 sh2026-01-06: Disposition, 734 sh2026-01-06: Disposition, 2,200 sh2026-01-06: Disposition, 368 sh2026-01-06: Disposition, 125 sh2026-01-06: Code U, 1,567 sh2026-01-06: Disposition, 2,460 sh2026-01-06: Disposition, 513 sh2026-01-06: Disposition, 1,800 sh2026-01-06: Disposition, 734 sh2026-01-06: Disposition, 2,200 sh2026-01-06: Code U, 1,567 sh2026-01-06: Disposition, 2,460 sh2026-01-06: Disposition, 1,000 sh2026-01-06: Disposition, 800 sh2026-01-06: Disposition, 544 sh2026-01-06: Disposition, 450 sh2026-01-06: Disposition, 368 sh2026-01-06: Disposition, 125 sh2026-01-06: Disposition, 1,002 sh2025-06-12: Award / grant, 61,500 sh ($0)
BMRN · 2 trades
2026-06-02: Award / grant, 7,490 sh ($0)2025-05-20: Award / grant, 6,650 sh ($0)
MCRB · 1 trade
2025-04-10: Award / grant, 100,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
33 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-08—Award / grant6,5006,500Form 4
2026-06-09—Award / grant21,00021,000Form 4
2026-06-02BMRNAward / grant7,49046,440Form 4
2026-01-06MRSNDisposition8000Form 4
2026-01-06MRSNDisposition5440Form 4
2026-01-06MRSNDisposition1,0000Form 4
2026-01-06MRSNDisposition4500Form 4
2026-01-06MRSNDisposition1,0020Form 4
2026-01-06MRSNDisposition5130Form 4
2026-01-06MRSNDisposition1,8000Form 4
2026-01-06MRSNDisposition7340Form 4
2026-01-06MRSNDisposition2,2000Form 4
2026-01-06MRSNDisposition3680Form 4
2026-01-06MRSNDisposition1250Form 4
2026-01-06MRSNCode U1,5670Form 4
2026-01-06MRSNDisposition2,4600Form 4
2026-01-06MRSNDisposition5130Form 4
2026-01-06MRSNDisposition1,8000Form 4
2026-01-06MRSNDisposition7340Form 4
2026-01-06MRSNDisposition2,2000Form 4
2026-01-06MRSNCode U1,5670Form 4
2026-01-06MRSNDisposition2,4600Form 4
2026-01-06MRSNDisposition1,0000Form 4
2026-01-06MRSNDisposition8000Form 4
2026-01-06MRSNDisposition5440Form 4
2026-01-06MRSNDisposition4500Form 4
2026-01-06MRSNDisposition3680Form 4
2026-01-06MRSNDisposition1250Form 4
2026-01-06MRSNDisposition1,0020Form 4
2025-06-12MRSNAward / grant61,50061,500Form 4
2025-06-10—Award / grant21,00021,000Form 4
2025-05-20BMRNAward / grant6,65038,950Form 4
2025-04-10MCRBAward / grant100,000100,000Form 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.