InsiderTrades

Tregillis Cynthia L

SEC CIK 2057088 · EDGAR

Buying vs selling by month open-market trades, last 24 months, WDC
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
WDCWestern DigitalCLO, Corp. Sec 111.0K — $8.55M 642025-03-032026-09-04

Most active insiders at WDC, 12 months

#InsiderTitleBoughtSold
1 Tan IrvingCEO, Dir —$25.26M
2 Gubbi Vidyadhara KChief of Gbl Ops —$12.91M
3 MASSENGILL MATTHEW EDir —$9.62M
4 Cole Martin IDir —$8.08M
5 Davis Brian ScottChief Sales, Mrktng Off —$7.80M
6 Tregillis Cynthia LCLO, Corp Sec —$7.50M
7 STREETER STEPHANIE ADir —$2.52M
8 Alexy KimberlyDir —$592.4K
9 KIDDOO BRUCE EDir —$396.4K
10 Oulman RoxanneDir —$278.0K

Transactions 64

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-09-08 20:13 2026-09-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +7 112.2K +0.0% $0
DT 2026-09-08 20:13 2026-09-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $441.57 -700 111.5K -0.6% -$309.1K
DT 2026-09-08 20:13 2026-09-04 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $451.20 -432 111.0K -0.4% -$194.9K
DMT 2026-08-27 20:05 2026-08-25+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +16 114.8K +0.0% $0
DMT 2026-08-27 20:05 2026-08-25+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $463.06 -2,402 113.2K -2% -$1.11M
DT 2026-08-27 20:05 2026-08-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec A - Grant $0.00 +3,878 115.3K +3% $0
DMT 2026-08-27 20:05 2026-08-26+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $469.51 -1,483 112.2K -1% -$696.3K
DMT 2026-08-24 19:00 2026-08-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +14 113.9K +0.0% $0
DMT 2026-08-24 19:00 2026-08-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $461.89 -1,488 112.8K -1% -$687.3K
DMT 2026-08-24 19:00 2026-08-21+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $454.12 -919 112.1K -0.8% -$417.3K
DT 2026-07-21 20:56 2026-07-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +13 116.7K +0.0% $0
DT 2026-07-21 20:56 2026-07-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $487.42 -1,309 115.3K -1% -$638.0K
DT 2026-07-21 20:56 2026-07-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $529.63 -808 114.5K -0.7% -$427.9K
DT 2026-06-05 18:58 2026-06-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +6 117.8K +0.0% $0
DT 2026-06-05 18:58 2026-06-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $594.11 -699 117.1K -0.6% -$415.3K
DT 2026-06-05 18:58 2026-06-05 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $545.60 -432 116.6K -0.4% -$235.7K
DMT 2026-05-27 18:41 2026-05-22+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $509.53 -522 117.2K -0.4% -$266.0K
DT 2026-05-27 18:41 2026-05-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +7 118.1K +0.0% $0
DT 2026-05-27 18:41 2026-05-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $484.28 -771 117.4K -0.7% -$373.4K
DMT 2026-05-22 19:24 2026-05-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +13 119.7K +0.0% $0
DMT 2026-05-22 19:24 2026-05-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $479.62 -1,487 118.5K -1% -$713.2K
DT 2026-05-22 19:24 2026-05-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $458.87 -106 118.4K -0.1% -$48.6K
DT 2026-04-22 19:28 2026-04-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +12 121.7K +0.0% $0
DT 2026-04-22 19:28 2026-04-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $374.11 -1,308 120.4K -1% -$489.3K
DT 2026-04-22 19:28 2026-04-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $377.09 -363 120.0K -0.3% -$136.9K
D 2026-03-05 2026-03-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +23 133.8K +0.0% $0
DM 2026-03-05 2026-03-04 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $268.28 -9,324 130.2K -7% -$2.50M
D 2026-03-05 2026-03-03 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $250.61 -2,798 131.0K -2% -$701.2K
D 2026-02-27 2026-02-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $290.95 -770 134.0K -0.6% -$224.0K
D 2026-02-27 2026-02-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +6 134.8K +0.0% $0
D 2026-02-27 2026-02-26 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $286.11 -214 133.8K -0.2% -$61.2K
DM 2026-02-24 2026-02-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +12 136.3K +0.0% $0
DM 2026-02-24 2026-02-23+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $282.33 -438 135.1K -0.3% -$123.7K
DM 2026-02-24 2026-02-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $285.52 -1,353 136.3K -1.0% -$386.3K
2026-02-06 2026-02-06 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale $270.49 -6,780 136.5K -5% -$1.83M
D 2026-01-21 2026-01-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $222.97 -842 143.8K -0.6% -$187.7K
D 2026-01-21 2026-01-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $229.00 -447 143.3K -0.3% -$102.4K
D 2026-01-21 2026-01-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +11 144.6K +0.0% $0
2025-12-03 2025-12-02 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale $160.57 -2,801 144.6K -2% -$449.8K
D 2025-11-26 2025-11-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +5 148.1K +0.0% $0
D 2025-11-26 2025-11-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $155.41 -770 147.3K -0.5% -$119.7K
DM 2025-11-24 2025-11-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +9 149.6K +0.0% $0
DM 2025-11-24 2025-11-20+ WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $139.46 -1,487 149.2K -1.0% -$207.4K
D 2025-10-21 2025-10-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +8 150.9K +0.0% $0
D 2025-10-21 2025-10-20 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $121.53 -1,307 149.6K -0.9% -$158.8K
D 2025-08-28 2025-08-27 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +1 151.1K +0.0% $0
D 2025-08-28 2025-08-26 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec A - Grant $0.00 +16.6K 151.1K +12% $0
D 2025-08-28 2025-08-27 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $80.67 -266 150.9K -0.2% -$21.5K
D 2025-08-27 2025-08-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $79.22 -769 134.6K -0.6% -$60.9K
D 2025-08-27 2025-08-25 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +3 135.4K +0.0% $0
D 2025-08-25 2025-08-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec F - Tax $74.66 -4,428 149.4K -3% -$330.6K
D 2025-08-25 2025-08-22 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $74.78 -14.1K 135.4K -9% -$1.05M
D 2025-08-25 2025-08-21 WDC Western Digital Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +18 153.8K +0.0% $0
D 2025-08-21 2025-08-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $75.64 -2,565 153.8K -2% -$194.0K
D 2025-08-21 2025-08-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec M - OptEx $0.00 +10 156.4K +0.0% $0
D 2025-07-22 2025-07-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec M - OptEx $0.00 +5 157.7K +0.0% $0
D 2025-07-22 2025-07-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $68.00 -1,306 156.4K -0.8% -$88.8K
D 2025-06-23 2025-06-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $59.29 -204 157.7K -0.1% -$12.1K
D 2025-06-23 2025-06-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec M - OptEx — 0 157.9K New —
M 2025-05-28 2025-05-25+ WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $50.60 -1,035 157.9K -0.7% -$52.4K
2025-05-22 2025-05-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $50.63 -379 158.7K -0.2% -$19.2K
2025-04-22 2025-04-20 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $36.51 -1,172 159.1K -0.7% -$42.8K
2025-03-10 2025-03-06 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec F - Tax $41.45 -875 160.2K -0.5% -$36.3K
2025-03-05 2025-03-03 WDC Western Digital Tregillis Cynthia L CLO, Corp. Sec A - Grant $0.00 +21.3K 161.1K +15% $0

Purchase Sale Sale after option exercise All abbreviations