Willis Eric M.

Officer · AMPY

As of 2026-09-16, Willis Eric M. has 16 Form 4 transactions on record across 1 company — 10 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: $1.3MIndirect: $0$1.3Mas of 2026-09-16
  • Direct $1.3M
  • Indirect $0
AMPYdirect284,303 sh$1.3M

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

AMPY · 16 trades
2026-02-01: Withheld for tax, 17,956 sh ($90K)2026-02-01: Option exercise, 45,243 sh ($0)2026-02-01: Award / grant, 67,120 sh ($0)2026-02-01: Award / grant, 67,120 sh ($0)2026-02-01: Option exercise, 45,243 sh2026-02-01: Option exercise, 45,243 sh2026-01-06: Withheld for tax, 13,155 sh ($60K)2026-01-06: Option exercise, 29,462 sh ($0)2026-01-06: Option exercise, 29,462 sh2026-01-06: Option exercise, 29,462 sh2025-02-01: Withheld for tax, 15,818 sh ($84K)2025-02-01: Option exercise, 40,195 sh ($0)2025-02-01: Award / grant, 51,204 sh ($0)2025-02-01: Award / grant, 51,204 sh ($0)2025-02-01: Option exercise, 40,195 sh2025-02-01: Option exercise, 40,195 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
16 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-01AMPYWithheld for tax17,956266,347Form 4
2026-02-01AMPYOption exercise45,24352,491Form 4
2026-02-01AMPYAward / grant67,120163,129Form 4
2026-02-01AMPYAward / grant67,120119,611Form 4
2026-02-01AMPYOption exercise45,243284,303Form 4
2026-02-01AMPYOption exercise45,243284,303Form 4
2026-01-06AMPYWithheld for tax13,155239,060Form 4
2026-01-06AMPYOption exercise29,46296,009Form 4
2026-01-06AMPYOption exercise29,462252,215Form 4
2026-01-06AMPYOption exercise29,462252,215Form 4
2025-02-01AMPYWithheld for tax15,818222,753Form 4
2025-02-01AMPYOption exercise40,19546,530Form 4
2025-02-01AMPYAward / grant51,204125,471Form 4
2025-02-01AMPYAward / grant51,20497,734Form 4
2025-02-01AMPYOption exercise40,195238,571Form 4
2025-02-01AMPYOption exercise40,195238,571Form 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.