MCMILLAN STEPHEN
SEC insider (Form 3/4/5 filer). CIK 0001719723. President and CEO at TERADATA CORP /DE/ (TDC) and 1 other issuer. 22 reported Form 4/5 transactions since Sep 2024; latest on Sep 15, 2026. Located in SAN DIEGO, CA.
Companies MCMILLAN STEPHEN has filed insider reports for
- TERADATA CORP /DE/ (TDC): Director, Officer, President and CEO
- Lumen Technologies, Inc. (LUMN): Director
MCMILLAN STEPHEN
CIK: 0001719723
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (22 total)
- Sep 15, 2026TDC
TERADATA CORP /DE/
SaleDirect10K shares at avg. $30.02$300K - May 21, 2026LUMN
Lumen Technologies, Inc.
AwardDirect25.2K shares at avg. $9.44$238K - May 12, 2026TDC
TERADATA CORP /DE/
SaleDirect20K shares at avg. $31.71$634K - Mar 9, 2026TDC
TERADATA CORP /DE/
OtherDirect4.4K shares- - Mar 6, 2026TDC
TERADATA CORP /DE/
Tax PaymentDirect22.2K shares at avg. $28.02$623K - Mar 3, 2026TDC
TERADATA CORP /DE/
Tax PaymentDirect40.3K shares at avg. $30.36$1.2M - Mar 1, 2026TDC
TERADATA CORP /DE/
AwardDirect206.3K shares- - Feb 27, 2026TDC
TERADATA CORP /DE/
Tax PaymentDirect20.1K shares at avg. $31.49$633K - Feb 26, 2026TDC
TERADATA CORP /DE/
SaleDirect50K shares at avg. $30.26$1.5M - Feb 11, 2026TDC
TERADATA CORP /DE/
AwardDirect105.1K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 15, 2026 |  TDC TERADATA CORP /DE/ | Sale | 10,000 | $30.02 | $300,170 | Direct |
| May 21, 2026 |  LUMN Lumen Technologies, Inc. | Award | 25,197 | $9.44 | $237,860 | Direct |
| May 12, 2026 | TDC TERADATA CORP /DE/ | Sale | 20,000 | $31.71 | $634,158 | Direct |
| Mar 9, 2026 | TDC TERADATA CORP /DE/ | Other | 4,376 | - | $0 | Direct |
| Mar 6, 2026 | TDC TERADATA CORP /DE/ | Tax Payment | 22,230 | $28.02 | $622,885 | Direct |
| Mar 3, 2026 | TDC TERADATA CORP /DE/ | Tax Payment | 40,319 | $30.36 | $1,224,085 | Direct |
| Mar 1, 2026 | TDC TERADATA CORP /DE/ | Award | 206,271 | - | $0 | Direct |
| Feb 27, 2026 | TDC TERADATA CORP /DE/ | Tax Payment | 20,090 | $31.49 | $632,634 | Direct |
| Feb 26, 2026 | TDC TERADATA CORP /DE/ | Sale | 50,000 | $30.26 | $1,513,125 | Direct |
| Feb 11, 2026 | TDC TERADATA CORP /DE/ | Award | 105,130 | - | $0 | Direct |
1-10 of 22 transactions