NewMarket Corporation
US ˙ NYSE ˙ US6515871076

SecurityNEU / NewMarket Corporation
InsiderMark M Gambill
This page shows the track record and history of GAMBILL MARK M insider trades in NewMarket Corporation. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Mark M Gambill in NEU / NewMarket Corporation. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
2013-01-30 500 256.0700 500 256.0700 128,035 334 337.2200 40,575 31.69

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

NEU / NewMarket Corporation Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Mark M Gambill in NEU / NewMarket Corporation. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2009-06-25 222 66.6903 222 66.6903 14,805 11 65.92 -171 -1.15
2009-05-28 232 71.1454 232 71.1454 16,506

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

NEU / NewMarket Corporation Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-07-01 2025-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 144 3,992
2024-07-02 2024-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 193 3,848
2023-07-05 2023-07-03 4 GAMBILL MARK M NEU Common Stock A - Award D 223 3,655
2022-07-01 2022-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 299 3,432
2021-07-01 2021-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 279 3,133
2020-07-01 2020-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 224 2,854
2019-07-01 2019-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 224 2,630
2018-07-02 2018-07-02 4 GAMBILL MARK M NEU Common Stock A - Award D 222 2,406
2017-07-03 2017-07-03 4 GAMBILL MARK M NEU Common Stock A - Award D 130 2,184
2016-07-01 2016-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 144 2,054
2015-07-01 2015-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 112 1,910
2014-07-01 2014-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 127 1,798
2013-07-02 2013-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 114 1,671
2013-01-31 2013-01-30 4 GAMBILL MARK M NEU Common Stock P - Purchase D 256.0700 500 128 1,557
2012-07-03 2012-07-02 4 GAMBILL MARK M NEU Common Stock A - Award D 138 1,057
2011-07-01 2011-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 117 919
2010-08-11 2009-06-25 4 GAMBILL MARK M NEU Common Stock S - Sale D 66.6903 -222 -15 276
2010-08-11 2009-05-28 4 GAMBILL MARK M NEU Common Stock S - Sale D 71.1454 -232 -17 498
2010-07-01 2010-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 229 1,256
2009-07-02 2009-07-01 4 GAMBILL MARK M NEU Common Stock A - Award D 297 1,027
2009-01-20 3/A GAMBILL MARK M NEU Common Stock D 730
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)