Quick answer
Newmarket Corporation (NEU) reported diluted EPS of $14.54 for the quarter ended 2026-06-30, in a 10-Q filed with the SEC on 2026-07-30. Its last four 10-Q/10-K filings were on 2026-07-30, 2026-04-23, 2026-02-12, 2025-10-31.
Data as of 2026-07-30. Source: SEC EDGAR XBRL company facts (10-K/10-Q filings)
| Period end | Period | Form | SEC filing date | Diluted EPS |
|---|---|---|---|---|
| 2026-06-30 | Quarter | 10-Q | 2026-07-30 | $14.54 |
| 2026-03-31 | Quarter | 10-Q | 2026-04-23 | $12.62 |
| 2025-12-31 | Full year | 10-K | 2026-02-12 | $44.44 |
| 2025-09-30 | Quarter | 10-Q | 2025-10-31 | $10.67 |
| 2025-06-30 | Quarter | 10-Q | 2025-07-31 | $11.84 |
| 2025-03-31 | Quarter | 10-Q | 2025-04-24 | $13.26 |
| 2024-12-31 | Full year | 10-K | 2025-02-14 | $48.22 |
| 2024-09-30 | Quarter | 10-Q | 2024-10-24 | $13.79 |
| 2024-06-30 | Quarter | 10-Q | 2024-07-30 | $11.63 |
| 2024-03-31 | Quarter | 10-Q | 2024-04-25 | $11.23 |
| 2023-12-31 | Full year | 10-K | 2024-02-15 | $40.44 |
| 2023-09-30 | Quarter | 10-Q | 2023-10-26 | $11.60 |
| 2023-06-30 | Quarter | 10-Q | 2023-07-27 | $10.36 |
| 2023-03-31 | Quarter | 10-Q | 2023-04-27 | $10.09 |
| 2022-12-31 | Full year | 10-K | 2023-02-15 | $27.77 |
| 2022-09-30 | Quarter | 10-Q | 2022-10-25 | $6.32 |
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Last updated 2026-10-16. Data only, not financial or tax advice.