DeFord John A

Director · NDSN, MRVI, GMED

As of 2026-09-16, DeFord John A has 8 Form 4 transactions on record across 3 companies — 6 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: $4.4MIndirect: $0$4.4Mas of 2026-09-16
  • Direct $4.4M
  • Indirect $0
NDSNdirect5,902 sh$1.8M
MRVIdirect205,478 sh$1.4M
GMEDdirect15,000 sh$1.1M

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

NDSN · 4 trades
2026-07-31: Award / grant, 84 sh ($25K)2026-04-30: Award / grant, 87 sh ($25K)2026-01-30: Award / grant, 91 sh ($25K)2025-11-01: Award / grant, 822 sh ($191K)
MRVI · 2 trades
2026-05-26: Award / grant, 46,293 sh ($0)2025-06-16: Award / grant, 89,139 sh ($193K)
GMED · 2 trades
2026-01-21: Award / grant, 15,000 sh ($0)2025-01-23: Award / grant, 15,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
8 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-31NDSNAward / grant845,902Form 4
2026-05-26MRVIAward / grant46,293205,478Form 4
2026-04-30NDSNAward / grant875,802Form 4
2026-01-30NDSNAward / grant915,697Form 4
2026-01-21GMEDAward / grant15,00015,000Form 4
2025-11-01NDSNAward / grant8225,587Form 4
2025-06-16MRVIAward / grant89,139159,185Form 4
2025-01-23GMEDAward / grant15,00015,000Form 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.