Blackmore Milton C (CIK 1493440) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Sell IOSP (287 shares), Sell IOSP (307 shares), Sell IOSP (594 shares), Buy IOSP (1,030 shares), Sell IOSP (1,030 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | INNOSPEC INC. (IOSP) | Director | Sell | 287 | $21,898 |
| 2026-03-06 | INNOSPEC INC. (IOSP) | Director | Sell | 307 | $23,575 |
| 2026-03-03 | INNOSPEC INC. (IOSP) | Director | Sell | 594 | $45,477 |
| 2026-02-24 | INNOSPEC INC. (IOSP) | Director | Buy | 1,030 | $45,505 |
| 2026-02-24 | INNOSPEC INC. (IOSP) | Director | Sell | 1,030 | $84,295 |
| 2026-02-24 | INNOSPEC INC. (IOSP) | Director | Buy | 1,539 | $0 |
| 2025-02-27 | INNOSPEC INC. (IOSP) | Director | Buy | 1,209 | $0 |
| 2025-02-24 | INNOSPEC INC. (IOSP) | Director | Sell | 652 | $67,352 |
Source: SEC Form 4 filings · as of 2026-03-06