Lester Zitkus

CIK 1699266 · SVP, Land · last filed 2026-03-26

Lester Zitkus is a SVP, Land who has filed 18 SEC Form 4 insider transactions across 1 company since 2017. The most recent filing shows the insider sold $400.6K of GPOR on Mar 26, 2026. Across all open-market trades the lifetime net is −$3.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $989.8K 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

$989.8K

Companies

1

Total Filings

18

Lifetime Open-Market Net

-$3.55M

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
GPOR SVP, Land 5,948 $166.41 $989.8K -$3.55M 18 2026-03-26

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-26 GPOR Sell (S) −1,873 -$400.6K EDGAR
2026-01-09 GPOR Sell (S) −4,745 -$881.1K EDGAR
2026-01-06 GPOR Mixed +4,745 -$794.7K EDGAR
2025-05-22 GPOR Sell (S) −1,914 -$374.1K EDGAR
2025-03-04 GPOR Mixed +607 -$117.0K EDGAR
2024-08-14 GPOR Tax (F) −773 -$110.1K EDGAR
2024-07-23 GPOR Tax (F) −187 -$29.5K EDGAR
2024-05-21 GPOR Mixed +1,154 -$3.38M EDGAR
2024-03-05 GPOR Mixed +1,086 -$65.9K EDGAR
2023-08-15 GPOR Tax (F) −773 -$88.1K 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.