Innospec Inc. (IOSP) dividend history and payment record
Innospec Inc. pays dividends semi-annually. We hold 39 payments for it, going back to August 2002 — the full record is below, with what it has paid and when, and how far ahead of each ex-date it declares. We don't publish a predicted next ex-dividend date for IOSP. As soon as the company declares one it will appear at the top of this page; until then the record below is what we hold.
IOSP dividend at a glance
| Most recent payment | $0.92 per share, May 19, 2026 |
|---|---|
| Indicated annual dividend | $1.84 per share, at the current rate and cadence |
| Payment frequency | Semi-annually |
| Change over the past year | Raised 9.5%, from $0.84 to $0.92 |
| 5-year growth rate | 10.0% a year, compounded ($0.57 → $0.92) |
| Consecutive years of increases | 13, in the record we hold |
| Typical announcement lead | Declared about 12 days before the ex-date, across 27 announcements |
| Typical time to payment | Paid about 13 days after the ex-date |
| History on file | 39 payments since August 2002 |
Innospec Inc.'s dividend schedule
Innospec Inc. has paid semi-annually across the 23 years of records we hold, with the most recent ex-date on May 19, 2026. Its ex-dates usually land in the middle of the month.
Across the 27 announcements we have on file, IOSP declares a dividend a median of 12 days before the shares go ex. That is roughly how much notice IOSP gives you before each ex-date, once its board declares. The cash then arrives about 13 days after the ex-date.
The most recent increase was 5.7%, from $0.87 to $0.92, effective with the May 2026 ex-date.
IOSP dividend history
The last 16 payments on record, of 39 going back to August 2002.
| Ex-date | Amount |
|---|---|
| May 19, 2026 | $0.92 |
| Nov 18, 2025 | $0.87 |
| May 20, 2025 | $0.84 |
| Nov 18, 2024 | $0.79 |
| May 17, 2024 | $0.76 |
| Nov 17, 2023 | $0.72 |
| May 19, 2023 | $0.69 |
| Nov 18, 2022 | $0.65 |
| May 16, 2022 | $0.63 |
| Nov 15, 2021 | $0.59 |
| May 14, 2021 | $0.57 |
| Nov 16, 2020 | $0.52 |
| May 15, 2020 | $0.52 |
| Nov 18, 2019 | $0.52 |
| May 20, 2019 | $0.50 |
| Nov 16, 2018 | $0.45 |
Amounts are per share as reported on each ex-date, and are not restated for later share splits — a split shows up here as a step down in the per-share amount. Shown for schedule context, not as a yield.
Special dividends
Payments well outside IOSP's regular rate. These are one-offs — they are excluded from the growth figures above, and they are not assumed to recur, so they do not feed the predicted dates.
| Ex-date | Amount |
|---|---|
| Dec 12, 2012 | $2.00 |
Frequently asked questions
- Do I need to own IOSP before the ex-dividend date?
- Yes. You must already hold the shares when trading opens on the ex-dividend date to receive the payment. Buying on the ex-date itself is too late — the seller keeps that dividend. See ex-date vs record date vs payment date for how the dates fit together.
- How often does IOSP pay a dividend?
- Innospec Inc. has historically paid semi-annually, across 39 payments since August 2002.
- How much does IOSP pay per share?
- The most recent payment was $0.92 per share, with an ex-date of May 19, 2026. At that rate and frequency the indicated annual dividend is $1.84 a share. This is the cash amount, not a yield — a yield depends on the share price you pay.
- How far in advance does IOSP announce its dividend?
- A median of 12 days before the ex-date, across the 27 declarations we hold.