JOHN J KORALESKI

CIK 1200010 · CHAIRMAN OF THE BOARD · last filed 2026-03-02

JOHN J KORALESKI is a CHAIRMAN OF THE BOARD who has filed 103 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing shows the insider was granted $46.7K of MLM on Mar 2, 2026. Across all open-market trades the lifetime net is −$3.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $16.3M 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

$16.31M

Companies

3

Total Filings

103

Lifetime Open-Market Net

-$3.16M

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
MLM Director 10,822 $577.33 $6.25M $1.38M 48 2026-03-02
UNION PACIFIC CORP (UNPw) Delisted CHAIRMAN OF THE BOARD 445,486 -$2.11M 48 2015-03-11
UNP EVP MKTG & SALES 36,895 $272.70 $10.06M -$2.43M 7 2008-05-06

Recent Filings

103 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-02 MLM Grant (A) +69 $46.7K EDGAR
2025-12-01 MLM Grant (A) +75 $46.7K EDGAR
2025-09-02 MLM Grant (A) +76 $46.8K EDGAR
2025-06-03 MLM Grant (A) +85 $46.5K EDGAR
2025-05-16 MLM Grant (A) +308 $170.3K EDGAR
2025-03-03 MLM Grant (A) +96 $46.4K EDGAR
2024-12-03 MLM Grant (A) +78 $46.8K EDGAR
2024-09-03 MLM Grant (A) +87 $46.5K EDGAR
2024-06-04 MLM Grant (A) +81 $46.4K EDGAR
2024-05-17 MLM Grant (A) +293 $170.4K 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.