Michael J Graff

CIK 1457009 · last filed 2025-08-11

Michael J Graff is a corporate insider who has filed 25 SEC Form 4 insider transactions across 2 companies since 2009. The most recent filing, for WLK, was dated Aug 11, 2025. Current disclosed insider exposure totals $1.9M 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.

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Disclosed Exposure

$1.87M

Companies

2

Total Filings

25

Lifetime Open-Market Net

$0

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
WLK Director 21,142 $88.50 $1.87M $0 21 2025-08-11
LZ Director 0 $5.91 $0 $0 4 2011-09-19

Recent Filings

25 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-08-11 WLK Mixed +1,128 $0 EDGAR
2024-08-12 WLK Mixed +1,136 $0 EDGAR
2023-08-14 WLK Mixed +1,446 $0 EDGAR
2022-08-15 WLK Mixed +1,763 $0 EDGAR
2021-08-16 WLK Mixed +2,400 $0 EDGAR
2020-08-17 WLK Mixed +2,387 $0 EDGAR
2019-08-19 WLK Mixed +2,412 $0 EDGAR
2019-05-20 WLK Exer (M) +103 $0 EDGAR
2018-08-22 WLK Exer (M) +603 $0 EDGAR
2018-08-20 WLK Mixed +2,724 $0 EDGAR
Showing 110 of 25
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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.