Mumford Lisa

Director · EFC, RDN

As of 2026-09-16, Mumford Lisa has 19 Form 4 transactions on record across 2 companies — 9 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: $1.4MIndirect: $0$1.4Mas of 2026-09-16
  • Direct $1.4M
  • Indirect $0
EFCdirect98,954 sh$1.2M
RDNdirect4,300 sh$152K

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

RDN · 13 trades
2026-05-21: Award / grant, 4,300 sh2026-05-21: Award / grant, 4,300 sh2026-05-15: Withheld for tax, 4 sh ($148)2026-05-15: Option exercise, 4,837 sh ($0)2026-05-15: Option exercise, 4,837 sh2026-05-15: Option exercise, 4,837 sh2025-06-06: Sale, 2,500 sh ($84K)2025-05-21: Award / grant, 4,837 sh2025-05-21: Award / grant, 4,837 sh2025-05-15: Withheld for tax, 7 sh ($238)2025-05-15: Option exercise, 5,109 sh ($0)2025-05-15: Option exercise, 5,109 sh2025-05-15: Option exercise, 5,109 sh
EFC · 6 trades
2026-09-09: Award / grant, 10,181 sh ($0)2025-12-31: Option exercise, 7,657 sh ($0)2025-12-31: Award / grant, 7,657 sh ($0)2025-09-10: Award / grant, 9,198 sh ($0)2024-12-27: Other acquisition, 8,378 sh ($0)2024-12-27: Award / grant, 8,378 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-06-06RDNSale2,500 @ $33.45$84K−10.1% of holding22,329Form 4
18 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-09EFCAward / grant10,18198,954Form 4
2026-05-21RDNAward / grant4,3004,300Form 4
2026-05-21RDNAward / grant4,3004,300Form 4
2026-05-15RDNWithheld for tax427,162Form 4
2026-05-15RDNOption exercise4,83727,166Form 4
2026-05-15RDNOption exercise4,8370Form 4
2026-05-15RDNOption exercise4,8370Form 4
2025-12-31EFCOption exercise7,6570Form 4
2025-12-31EFCAward / grant7,65788,773Form 4
2025-09-10EFCAward / grant9,19881,116Form 4
2025-05-21RDNAward / grant4,8374,837Form 4
2025-05-21RDNAward / grant4,8374,837Form 4
2025-05-15RDNWithheld for tax724,829Form 4
2025-05-15RDNOption exercise5,10924,836Form 4
2025-05-15RDNOption exercise5,1090Form 4
2025-05-15RDNOption exercise5,1090Form 4
2024-12-27EFCOther acquisition8,3787,657Form 4
2024-12-27EFCAward / grant8,37871,918Form 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.