NEU insider buying and SEC filings, explained
Newmarket Corp. · CIK 1282637
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$248K
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Feb 24, 2026 | Purchase (code P) | Ting Xu (Director) bought 400 shares at $619.21 ($248K), reported as a purchase (code P). Holdings up 76% to 929 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 25, 2026 |
18 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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