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Company profile

Newmarket Corp Insider Trading

NEU

Every SEC Form 4 insider trading filing for Newmarket Corp (NEU) since April 2023 — open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?

Exchange
NYSE
Sector
Industrial Organic Chemicals
CIK
0001282637
Filings
66
Insiders
15
Last filing
2026-09-09
SEC EDGAR ↗Yahoo Finance ↗Finviz ↗Stock Analysis ↗

Activity summary

No discretionary insider buying or selling in the last 30 days. The 1 transaction filed was grants, option exercises or other non-open-market activity.

Three year balance

Buy and sell value by quarter, Q4 23 to Q3 26. Newmarket Corp insiders are net sellers across the period shown.

PurchasesSales
Q4 23$5.5MQ1 24Q2 24Q3 24Q4 24Q1 25Q2 25Q3 25Q4 25Q1 26Q2 26Q3 26

Bars below the rule are sales, above are purchases. Largest quarter on the chart is $5.5M.

90 day insight

Over the last 90 days, Newmarket Corp insiders bought $0 across 5 transactions with no open-market sales.

  • Most active insider: Bruce C Gottwald with 1 transaction totaling $0.

Activity skews bullish — buys outpace sales.

Insider Transactions

Sourced from SEC EDGAR Form 4 filings. Updated hourly.

DateInsiderCompanyTypeSharesPriceValueReturn
Sep 9, 2026Bruce C GottwaldNEU
Gift
132——+1.0% 1w
Jul 1, 2026H Hiter Harris IIINEU
Award
157——+8.2% 1m
Jul 1, 2026Mark M GambillNEU
Award
157——+8.2% 1m
Jul 1, 2026James E RogersNEU
Award
157——+8.2% 1m
Jul 1, 2026Ting XuNEU
Award
157——+8.2% 1m

45 more transactions hidden

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Top insiders

By total value filed.

Ting Xu1 filing+$248K
Thomas E GottwaldChairman, President & CEO1 filing−$145K
Brian D PaliottiPresident Afton Chemical Corp1 filing−$122K
Bruce R Hazelgrove IIIEVP & CAO1 filing−$109K
Bryce Dickinson Jewett IIIVP and General Counsel1 filing−$97K

Institutional Ownership

Top 13F-HR holders of Newmarket Corp as of 2026-06-30

↓ decreasing
Total reported AUM
$1.31B
QoQ change
-57.2%
Reporting period
2026-06-30
#1
BlackRock, Inc.
CIK 0002012383
$324.3M
410K shares
#2
Boston Partners
CIK 0001386060
$230.0M
291K shares
#3
State Street Corp
CIK 0000093751
$185.9M
234K shares

Data source: quarterly 13F-HR filings — institutional holders report positions within 45 days of quarter end. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →

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Form4API, StockholmNot affiliated with the SEC or EDGAR. Data sourced from public EDGAR filings. Not investment advice.

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