MATTHEW R ZAIST

CIK 1575309 · President & CEO · last filed 2026-05-18

MATTHEW R ZAIST is a President & CEO who has filed 34 SEC Form 4 insider transactions across 2 companies since 2013. The most recent filing, for AMHpH, was dated May 18, 2026. Across all open-market trades the lifetime net is −$471.1K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $797.4K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$797.4K

Companies

2

Total Filings

34

Lifetime Open-Market Net

-$471.1K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
AMHpH Director 32,829 $24.29 $797.4K $0 7 2026-05-18
WILLIAM LYON HOMES (WLH) Delisted President & CEO 0 -$471.1K 27 2020-02-06

Recent Filings

34 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-18 AMHpH Grant (A) +5,421 $0 EDGAR
2025-05-09 AMHpH Grant (A) +4,383 $0 EDGAR
2024-05-14 AMHpH Grant (A) +4,159 $0 EDGAR
2023-05-10 AMHpH Grant (A) +4,259 $0 EDGAR
2022-05-04 AMHpH Grant (A) +3,264 $0 EDGAR
2021-05-10 AMHpH Grant (A) +3,402 $0 EDGAR
2020-05-11 AMHpH Grant (A) +3,956 $0 EDGAR
2020-02-06 WILLIAM LYON HOMES (WLH) Delisted Disp (D) −668,639 $0 EDGAR
2020-01-23 WILLIAM LYON HOMES (WLH) Delisted Mixed +59,505 -$960.8K EDGAR
2019-12-23 WILLIAM LYON HOMES (WLH) Delisted Mixed −3,864 -$5.71M EDGAR
Showing 110 of 34
Page 1 of 4
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.