Akastor AS (CIK 2124921) reported 4 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-04). Recent activity: Sell HMH (171,461 shares), Sell HMH (171,461 shares), Buy HMH (8.1M shares), Buy HMH (8.1M shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-04 | HMH Holding Inc (HMH) | Director | Sell | 171,461 | $0 |
| 2026-05-04 | HMH Holding Inc (HMH) | Director | Sell | 171,461 | $0 |
| 2026-04-02 | HMH Holding Inc (HMH) | Director | Buy | 8.1M | $0 |
| 2026-04-02 | HMH Holding Inc (HMH) | Director | Buy | 8.1M | $0 |
Source: SEC Form 4 filings · as of 2026-05-04