As of the latest Form 4 filed Jul 1, 2026.
What NewMarket Corporation insiders — officers, directors and 10% owners — have bought and sold in their own stock, straight from their SEC Form 4 filings. Values are shares × the reported transaction price where both are disclosed.
Buys plotted up, sells down; bar height is the disclosed dollar value (shares × reported price). Our Form 4 history is only complete from mid-2026, so early months are sparse — the series fills in as more filings land. Open-market purchases and sales only.
Newest filing first — the 16 most recent filings for NEU.
| Filed | Trade date | Insider | Transaction | Shares | Price | Value | 10b5-1 | Filing |
|---|---|---|---|---|---|---|---|---|
| 2026-07-01 | 2026-07-01 | ROGERS JAMES E Director | AAward | +157.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-07-01 | GAMBILL MARK M Director | AAward | +157.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-07-01 | Ukrop Lowell Simmons Director | AAward | +157.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-07-01 | Harris H Hiter III Director | AAward | +157.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-07-01 | 2026-07-01 | Xu Ting Director | AAward | +157.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-29 | 2026-06-18 | GOTTWALD THOMAS E Chairman, President & CEO | GGift | −211.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-06-08 | 2026-06-04 | GOTTWALD THOMAS E Chairman, President & CEO | GGift | −1.50K | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-25 | 2026-02-24 | Xu Ting Director | PPurchase | +400.00 | $619.21 | $248K | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Hazelgrove Bruce R III EVP & CAO | FTax | −153.00 | $714.88 | $109K | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Hazelgrove Bruce R III, EVP & CAO | AAward | +475.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Jewett Bryce Dickinson III EVP and General Counsel | FTax | −136.00 | $714.88 | $97.2K | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Jewett Bryce Dickinson III, EVP and General Counsel | AAward | +415.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Paliotti Brian D President Afton Chemical Corp | FTax | −171.00 | $714.88 | $122K | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | Paliotti Brian D, President Afton Chemical Corp | AAward | +535.00 | $0.00 | $0.00 | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | GOTTWALD THOMAS E Chairman, President & CEO | FTax | −203.00 | $714.88 | $145K | No | Form 4 ↗ |
| 2026-02-09 | 2026-02-05 | GOTTWALD THOMAS E, Chairman, President & CEO | AAward | +655.00 | $0.00 | $0.00 | No | Form 4 ↗ |
Insiders — a company’s officers, directors and holders of more than 10% of its stock — must report any trade in that stock to the SEC on a Form 4 within two business days. Each row here is one transaction from those filings.
The transaction code tells you what happened: Purchase (P) and Sale (S) are open-market trades — the ones markets watch most; Award (A) is a granted stock or unit, Option exercise (M) converts options into shares, and Gift (G) is a transfer for no consideration. Awards, exercises and gifts are largely compensation or administrative, not a directional bet.
One caveat on sales: many are made under a Rule 10b5-1 plan scheduled months in advance, so a sale is not automatically a bearish signal. Insider activity is a noisy input — read it alongside the filings, not on its own.
See also NEU’s full analysis or the market-wide insider trading feed. The tabs above jump to NEU’s other SEC data.
Source: SEC Form 4 filings for NEU, parsed from EDGAR. Transaction prices are as reported in the filing — SEC public-domain data, not market quotes. Values are shares × reported price where both are disclosed; grants and gifts often carry no price. A delayed record of what insiders reported, not a live position or a recommendation.
Research and education only — not financial advice. TENKis not a registered investment adviser or broker-dealer and gives no personalized advice. Every call is impersonal — identical for all users, generated on a schedule from SEC filings plus a delayed/third-party price feed — may be wrong or out of date, and is not a recommendation to buy or sell any security. The operator and an affiliated trading operation may hold or trade the securities TENK rates; see Disclosures. Past performance does not guarantee future results. Do your own research.