MCMILLAN STEPHEN (CIK 1719723) reported 17 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-05-26). Recent activity: Buy LUMN (25,197 shares), Sell TDC (20,000 shares), Buy TDC (206,271 shares), Sell TDC (22,230 shares), Sell TDC (4,376 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-26 | Lumen Technologies, Inc. (LUMN) | Director | Buy | 25,197 | $237,860 |
| 2026-05-13 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 20,000 | $634,158 |
| 2026-03-10 | TERADATA CORP /DE/ (TDC) | President and CEO | Buy | 206,271 | $0 |
| 2026-03-10 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 22,230 | $622,885 |
| 2026-03-10 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 4,376 | $0 |
| 2026-03-05 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 40,319 | $1.2M |
| 2026-03-03 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 20,090 | $632,634 |
| 2026-02-27 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 50,000 | $1.5M |
| 2026-02-13 | TERADATA CORP /DE/ (TDC) | President and CEO | Buy | 141,402 | $0 |
| 2026-02-13 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 74,121 | $2.8M |
| 2026-02-13 | TERADATA CORP /DE/ (TDC) | President and CEO | Buy | 105,130 | $0 |
| 2026-02-13 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 18,346 | $694,946 |
| 2025-05-16 | Lumen Technologies, Inc. (LUMN) | Director | Buy | 51,394 | $0 |
| 2025-03-10 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 22,650 | $520,497 |
| 2025-03-10 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 36,742 | $0 |
| 2025-03-04 | TERADATA CORP /DE/ (TDC) | President and CEO | Sell | 18,811 | $439,801 |
| 2025-03-04 | TERADATA CORP /DE/ (TDC) | President and CEO | Buy | 231,054 | $0 |
Source: SEC Form 4 filings · as of 2026-05-26