InsiderTrades

MCMILLAN STEPHEN

SEC CIK 1719723 · EDGAR

Buying vs selling by month open-market trades, last 55 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
TDCTERADATA CORP /DE/Pres, CEO, Dir 752.4K — $7.96M 402022-03-012026-09-15
LUMNLumen Technologies, Inc.Dir 76.6K — — 22025-05-142026-05-21

Most active insiders at TDC, 12 months

#InsiderTitleBoughtSold
1 Lynrock Lake LP10% —$2.50M
2 MCMILLAN STEPHENPres, CEO, Dir —$2.45M
3 Petley Richard JChief Revenue Off —$1.66M
4 Hutchinson Michael DCOO —$1.44M
5 Gianoni Michael PDir —$749.2K
6 Arora SumeetChief Product Off —$576.6K
7 McElhatton ToddDir —$502.0K
8 CHOU TIMOTHY C KDir —$190.8K
9 Leukert BerndDir ——
10 Ederer JohnCFO ——

Transactions 42

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
T 2026-09-17 14:09 2026-09-15 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $30.02 -10.0K 752.4K -1% -$300.2K
2026-05-26 16:57 2026-05-21 LUMN Lumen Technologies, Inc. MCMILLAN STEPHEN Dir A - Grant $9.44 +25.2K 76.6K +49% +$237.9K
2026-05-13 18:31 2026-05-12 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $31.71 -20.0K 762.4K -3% -$634.2K
2026-03-10 2026-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +206.3K 809.1K +34% $0
2026-03-10 2026-03-06 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $28.02 -22.2K 786.8K -3% -$622.9K
2026-03-10 2026-03-09 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir J - Other $0.00 -4,376 782.4K -0.6% $0
2026-03-05 2026-03-03 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $30.36 -40.3K 602.8K -6% -$1.22M
2026-03-03 2026-02-27 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $31.49 -20.1K 643.1K -3% -$632.6K
2026-02-27 2026-02-26 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $30.26 -50.0K 663.2K -7% -$1.51M
M 2026-02-13 2026-02-11 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $37.88 -92.5K 626.4K -13% -$3.50M
M 2026-02-13 2026-02-11 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +246.5K 731.5K +51% $0
2025-05-16 2025-05-14 LUMN Lumen Technologies, Inc. MCMILLAN STEPHEN Dir A - Grant $0.00 +51.4K 51.4K New $0
2025-03-10 2025-03-07 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir J - Other $0.00 -36.7K 559.1K -6% $0
2025-03-10 2025-03-06 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $22.98 -22.6K 595.9K -4% -$520.5K
2025-03-04 2025-03-03 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $23.38 -18.8K 387.5K -5% -$439.8K
2025-03-04 2025-03-03 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +231.1K 618.5K +60% $0
2025-02-28 2025-02-27 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $23.46 -20.5K 406.3K -5% -$480.2K
2025-02-14 2025-02-12 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +114.3K 487.8K +31% $0
2025-02-14 2025-02-12 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $24.62 -61.1K 426.7K -13% -$1.50M
2024-11-08 2024-11-08 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $30.00 -20.0K 373.6K -5% -$600.0K
M 2024-05-29 2024-05-24 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $31.95 -10.0K 393.6K -2% -$319.5K
2024-03-08 2024-03-06 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $38.82 -22.6K 586.3K -4% -$879.3K
2024-03-08 2024-03-07 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir J - Other $0.00 -182.8K 403.6K -31% $0
M 2024-03-05 2024-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $38.56 -34.4K 609.0K -5% -$1.33M
2024-02-29 2024-02-27 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +115.1K 643.4K +22% $0
2024-02-23 2024-02-22 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $38.22 -40.6K 528.3K -7% -$1.55M
2024-02-15 2024-02-13 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $48.79 -66.9K 568.9K -11% -$3.26M
2024-02-15 2024-02-13 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +125.3K 635.8K +25% $0
M 2023-11-13 2023-11-10 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $46.21 -7,500 510.5K -1% -$346.5K
2023-09-13 2023-09-11 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $44.39 -7,500 518.0K -1% -$332.9K
M 2023-08-15 2023-08-11 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $45.26 -7,500 526.9K -1% -$339.4K
2023-06-13 2023-06-09 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $49.11 -27.7K 545.5K -5% -$1.36M
2023-06-13 2023-06-09 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $49.00 -12.5K 533.0K -2% -$612.5K
2023-03-08 2023-03-06 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +127.4K 573.2K +29% $0
2023-03-03 2023-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $41.03 -11.0K 487.6K -2% -$451.3K
M 2023-03-03 2023-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $40.89 -41.8K 445.8K -9% -$1.71M
2023-02-15 2023-02-13 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +276.4K 626.7K +79% $0
2023-02-15 2023-02-13 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $39.58 -128.1K 498.6K -20% -$5.07M
M 2022-06-13 2022-06-09 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $38.37 -34.7K 362.4K -9% -$1.33M
2022-03-03 2022-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir A - Grant $0.00 +105.8K 404.7K +35% $0
2022-03-03 2022-03-01 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir F - Tax $49.45 -10.5K 298.9K -3% -$521.3K
2022-03-03 2022-03-02 TDC TERADATA CORP /DE/ MCMILLAN STEPHEN Pres, CEO, Dir S - Sale $48.75 -19.7K 385.0K -5% -$961.1K

Purchase Sale Sale after option exercise All abbreviations