Brett R Whitmire

CIK 1768901 · CFO · last filed 2026-05-13

Brett R Whitmire is a CFO who has filed 34 SEC Form 4 insider transactions across 1 company since 2019. The most recent filing shows the insider sold $1.7M of DIOD on May 13, 2026. Across all open-market trades the lifetime net is −$4.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $4.9M 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

$4.85M

Companies

1

Total Filings

34

Lifetime Open-Market Net

-$4.10M

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
DIOD CFO 44,632 $108.75 $4.85M -$4.10M 34 2026-05-13

Recent Filings

34 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-05-13 DIOD Sell (S) −16,556 -$1.71M EDGAR
2026-02-17 DIOD Sell (S) −5,953 -$424.0K EDGAR
2026-02-04 DIOD Mixed +40,364 -$220.7K EDGAR
2025-08-28 DIOD Sell (S) −2,000 -$111.8K EDGAR
2025-02-26 DIOD Tax (F) −748 -$40.6K EDGAR
2025-02-05 DIOD Mixed +13,160 -$160.0K EDGAR
2024-09-03 DIOD Sell (S) −1,900 -$133.0K EDGAR
2024-02-29 DIOD Sell (S) −3,400 -$228.8K EDGAR
2024-02-27 DIOD Tax (F) −748 -$51.2K EDGAR
2024-02-22 DIOD Tax (F) −1,063 -$72.2K EDGAR
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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.