NEWMARKET CORP (NEU) is a publicly traded company in the Unknown sector. Across all available filings, 25 corporate insiders have executed 1014 transactions totaling $45.7M, demonstrating a bearish sentiment with -$14.1M in net insider flow. The most recent transaction on Nov 25, 2025 involved a transaction of 46,175 shares valued at $0.
No significant insider buying has been recorded for NEU in the recent period.
No significant insider selling has been recorded for NEU in the recent period.
Based on recent SEC filings, insider sentiment for NEU is bearish with an Insider Alignment Score of 35/100 and a net flow of -$14.1M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at NEWMARKET CORP (NEU) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 25 insiders are actively trading NEU stock, having executed 1014 transactions in the past 90 days. The most active insider is Thomas E. Gottwald (Executive), who has made 193 transactions totaling $26.2M.
Get notified when executives and directors at NEU file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Nov 25, 2025 | E. Gottwald Thomas | Executive | Gift | 46,175 | $N/A | $0 | |
| Nov 24, 2025 | E. Gottwald Thomas | Executive | Gift | 51 | $N/A | $0 | |
| Nov 24, 2025 | E. Gottwald Thomas | Executive | Gift | 51 | $N/A | $0 | |
| Nov 24, 2025 | E. Gottwald Thomas | Executive | Gift | 51 | $N/A | $0 | |
| Nov 24, 2025 | E. Gottwald Thomas | Executive | Gift | 51 | $N/A | $0 | |
| Sep 18, 2025 | Xu Ting | Executive | Gift | 330 | $N/A | $0 | |
| Sep 5, 2025 | C. Gottwald Bruce | Executive | Gift | 2,400 | $N/A | $0 | |
| Aug 25, 2025 | E. Gottwald Thomas | Executive | Gift | 315 | $N/A | $0 | |
| Jul 1, 2025 | Xu Ting | Executive | Award | 144 | $N/A | $0 | |
| Jul 1, 2025 | Simmons Ukrop Lowell | Executive | Award | 144 | $N/A | $0 | |
| Jul 1, 2025 | M. Gambill Mark | Executive | Award | 144 | $N/A | $0 | |
| Jul 1, 2025 | Hiter Harris H. III | Executive | Award | 144 | $N/A | $0 | |
| Jul 1, 2025 | E. Rogers James | Executive | Award | 144 | $N/A | $0 | |
| Jun 27, 2025 | E. Gottwald Thomas | Executive | Gift | 264 | $N/A | $0 | |
| Aug 9, 2024 | R. Hazelgrove Bruce III | Executive | Sale | 33 | $545.36 | $18.0K |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 70 | $29.9M | 61.3% |
Purchase(P) | 477 | $15.8M | 32.4% |
Payment(F) | 60 | $2.2M | 4.4% |
Discretionary(I) | 3 | $562.3K | 1.2% |
Exercise(M) | 4 | $230.6K | 0.5% |
Award(A) | 164 | $99.7K | 0.2% |
Small Acquisition(L) | 3 | $9.8K | 0.0% |
Gift(G) | 197 | $0 | 0.0% |
Other(J) | 36 | $0 | 0.0% |
Insider selling pressure at NEWMARKET CORP has increased, with 25 insiders executing 1014 transactions across all time. Total sales of $29.9M significantly outpace purchases of $15.8M, resulting in a net outflow of $14.1M. This selling activity appears largely discretionary, which may warrant closer attention from investors.