Stephen McMillan
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/
Sale(S)Direct10K shares at avg. $30.02$300K - May 21, 2026LUMN
Lumen Technologies, Inc.
Award(A)Direct25.2K shares at avg. $9.44$238K - May 12, 2026TDC
TERADATA CORP /DE/
Sale(S)Direct20K shares at avg. $31.71$634K - Mar 9, 2026TDC
TERADATA CORP /DE/
Other(J)Direct4.4K shares- - Mar 6, 2026TDC
TERADATA CORP /DE/
Tax Payment(F)Direct22.2K shares at avg. $28.02$623K - Mar 3, 2026TDC
TERADATA CORP /DE/
Tax Payment(F)Direct40.3K shares at avg. $30.36$1.2M - Mar 1, 2026TDC
TERADATA CORP /DE/
Award(A)Direct206.3K shares- - Feb 27, 2026TDC
TERADATA CORP /DE/
Tax Payment(F)Direct20.1K shares at avg. $31.49$633K - Feb 26, 2026TDC
TERADATA CORP /DE/
Sale(S)Direct50K shares at avg. $30.26$1.5M - Feb 11, 2026TDC
TERADATA CORP /DE/
Award(A)Direct105.1K shares- - Feb 11, 2026TDC
TERADATA CORP /DE/
Award(A)Direct141.4K shares- - Feb 11, 2026TDC
TERADATA CORP /DE/
Tax Payment(F)Direct74.1K shares at avg. $37.88$2.8M - Feb 11, 2026TDC
TERADATA CORP /DE/
Tax Payment(F)Direct18.3K shares at avg. $37.88$695K - May 14, 2025LUMN
Lumen Technologies, Inc.
Award(A)Direct51.4K shares- - Mar 7, 2025TDC
TERADATA CORP /DE/
Other(J)Direct36.7K shares- - Mar 6, 2025TDC
TERADATA CORP /DE/
Tax Payment(F)Direct22.7K shares at avg. $22.98$520K - Mar 3, 2025TDC
TERADATA CORP /DE/
Award(A)Direct231.1K shares- - Mar 3, 2025TDC
TERADATA CORP /DE/
Tax Payment(F)Direct18.8K shares at avg. $23.38$440K - Feb 27, 2025TDC
TERADATA CORP /DE/
Tax Payment(F)Direct20.5K shares at avg. $23.46$480K - Feb 12, 2025TDC
TERADATA CORP /DE/
Award(A)Direct114.3K shares- - Feb 12, 2025TDC
TERADATA CORP /DE/
Tax Payment(F)Direct61.1K shares at avg. $24.62$1.5M - Nov 8, 2024TDC
TERADATA CORP /DE/
Sale(S)Direct20K shares at avg. $30.00$600K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 15, 2026 |  TDC TERADATA CORP /DE/ | Sale(S) | 10,000 | $30.02 | $300,170 | Direct |
| May 21, 2026 |  LUMN Lumen Technologies, Inc. | Award(A) | 25,197 | $9.44 | $237,860 | Direct |
| May 12, 2026 | TDC TERADATA CORP /DE/ | Sale(S) | 20,000 | $31.71 | $634,158 | Direct |
| Mar 9, 2026 | TDC TERADATA CORP /DE/ | Other(J) | 4,376 | - | $0 | Direct |
| Mar 6, 2026 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 22,230 | $28.02 | $622,885 | Direct |
| Mar 3, 2026 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 40,319 | $30.36 | $1,224,085 | Direct |
| Mar 1, 2026 | TDC TERADATA CORP /DE/ | Award(A) | 206,271 | - | $0 | Direct |
| Feb 27, 2026 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 20,090 | $31.49 | $632,634 | Direct |
| Feb 26, 2026 | TDC TERADATA CORP /DE/ | Sale(S) | 50,000 | $30.26 | $1,513,125 | Direct |
| Feb 11, 2026 | TDC TERADATA CORP /DE/ | Award(A) | 105,130 | - | $0 | Direct |
| Feb 11, 2026 | TDC TERADATA CORP /DE/ | Award(A) | 141,402 | - | $0 | Direct |
| Feb 11, 2026 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 74,121 | $37.88 | $2,807,703 | Direct |
| Feb 11, 2026 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 18,346 | $37.88 | $694,946 | Direct |
| May 14, 2025 | LUMN Lumen Technologies, Inc. | Award(A) | 51,394 | - | - | Direct |
| Mar 7, 2025 | TDC TERADATA CORP /DE/ | Other(J) | 36,742 | - | - | Direct |
| Mar 6, 2025 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 22,650 | $22.98 | $520,497 | Direct |
| Mar 3, 2025 | TDC TERADATA CORP /DE/ | Award(A) | 231,054 | - | - | Direct |
| Mar 3, 2025 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 18,811 | $23.38 | $439,801 | Direct |
| Feb 27, 2025 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 20,470 | $23.46 | $480,226 | Direct |
| Feb 12, 2025 | TDC TERADATA CORP /DE/ | Award(A) | 114,262 | - | - | Direct |
| Feb 12, 2025 | TDC TERADATA CORP /DE/ | Tax Payment(F) | 61,097 | $24.62 | $1,504,208 | Direct |
| Nov 8, 2024 | TDC TERADATA CORP /DE/ | Sale(S) | 20,000 | $30.00 | $600,086 | Direct |
1-22 of 22 transactions
About MCMILLAN STEPHEN
MCMILLAN STEPHEN (SEC CIK 0001719723) files insider reports with the SEC as President and CEO of TERADATA CORP /DE/ (TDC) and Director of Lumen Technologies, Inc. (LUMN).
Signal8 holds 15 ownership filings by MCMILLAN STEPHEN (1 Form 3, 14 Form 4), filed between Nov 8, 2024 and Sep 17, 2026. Those filings report 22 transactions, from Nov 8, 2024 to Sep 15, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on MCMILLAN STEPHEN's filings is in SAN DIEGO, CA.
Recent filings by MCMILLAN STEPHEN
- Sep 15, 2026: Open-market sale of TDC shares (Form 4, code S).
- May 21, 2026: Grant or award of LUMN shares (Form 4, code A).
- May 12, 2026: Open-market sale of TDC shares (Form 4, code S).
- Mar 9, 2026: Other transaction of TDC shares (Form 4, code J).
- Mar 6, 2026: Tax withholding of TDC shares (Form 4, code F).
Other insiders filing for TERADATA CORP /DE/ (TDC)
- Hutchinson Michael D, Chief Operating Officer
- Fisher Melissa B, Director
- Bacus Lisa R, Director
- Gianoni Michael P, Director
- McElhatton Todd, Director
- Nelson Kimberly K., Director