Argos SEM, LLC (CIK 2009079) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-02-10). Recent activity: Sell SUM (48.5M shares), Sell SUM (6.2M shares), Sell SUM (1 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-02-10 | Summit Materials, Inc. (SUM) | Director | Sell | 48.5M | $0 |
| 2025-02-10 | Summit Materials, Inc. (SUM) | Director | Sell | 6.2M | $324.1M |
| 2025-02-10 | Summit Materials, Inc. (SUM) | Director | Sell | 1 | $0 |
Source: SEC Form 4 filings · as of 2025-02-10