InsiderTrades

WEIGAND DAVID E

SEC CIK 1777404 · EDGAR

Buying vs selling by month open-market trades, last 35 months, SMCI
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
SMCISupermicroSVP, CFO 138.0K — $19.91M 842021-08-102026-08-17

Most active insiders at SMCI, 12 months

#InsiderTitleBoughtSold
1 Liang CharlesPres, CEO, Dir, 10% —$7.72M
2 Liu Liang Chiu-Chu SaraDir, 10% —$7.72M
3 KAO GEORGESVP, Ops —$1.87M
4 TUAN SHERMANDir —$1.60M
5 Thauberger MatthewChief Revenue Off ——
6 Malyala VikranthSVP, Chief Business Off ——
7 Xiao JinSr. Corp. VP, Engineering ——
8 Angel ScottDir ——
9 Mogensen SusanDir ——
10 Lin Judy L.Dir ——
11 WEIGAND DAVID ESVP, CFO ——

Transactions 84

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-08-19 16:48 2026-08-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +6,500 138.0K +5% —
D 2026-08-19 16:48 2026-08-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $38.28 -3,308 134.7K -2% -$126.6K
D 2026-08-12 16:42 2026-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,480 132.3K +1% —
D 2026-08-12 16:42 2026-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $31.46 -754 131.5K -0.6% -$23.7K
DM 2026-07-02 17:51 2026-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +19.7K 131.4K +18% —
DM 2026-07-02 17:51 2026-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $27.65 -10.0K 130.8K -7% -$277.6K
D 2026-06-22 16:42 2026-06-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +5,000 122.9K +4% —
D 2026-06-22 16:42 2026-06-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $27.78 -1,794 121.1K -1% -$49.8K
DM 2026-05-12 16:18 2026-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +4,170 118.5K +4% —
DM 2026-05-12 16:18 2026-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $35.37 -1,497 117.9K -1% -$52.9K
D 2026-02-19 2026-02-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $30.11 -2,333 115.2K -2% -$70.2K
D 2026-02-19 2026-02-17 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +6,500 117.6K +6% —
DM 2026-02-12 2026-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +4,150 111.7K +4% —
DM 2026-02-12 2026-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $33.33 -1,709 111.1K -2% -$57.0K
DM 2025-11-12 2025-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $40.19 -2,118 108.6K -2% -$85.1K
DM 2025-11-12 2025-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +4,170 109.3K +4% —
D 2025-11-03 2025-10-30 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +13.0K 113.2K +13% —
D 2025-11-03 2025-10-30 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $50.37 -6,602 106.6K -6% -$332.5K
D 2025-09-17 2025-09-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx $5.30 +25.0K 125.2K +25% +$132.5K
D 2025-09-17 2025-09-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale+OE $45.14 -25.0K 100.2K -20% -$1.13M
D 2025-09-05 2025-09-03 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx $5.30 +25.0K 125.2K +25% +$132.5K
DM 2025-09-05 2025-09-03 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale+OE $40.29 -25.0K 100.2K -20% -$1.01M
DM 2025-08-12 2025-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +4,150 100.9K +4% —
DM 2025-08-12 2025-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $44.60 -2,108 99.5K -2% -$94.0K
DM 2025-07-02 2025-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +18.6K 99.7K +23% —
DM 2025-07-02 2025-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $47.20 -9,024 96.1K -9% -$425.9K
2025-05-22 2025-05-20 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale $44.02 -67.0K 88.6K -43% -$2.95M
DM 2025-05-13 2025-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +8,620 157.7K +6% —
DM 2025-05-13 2025-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $31.99 -3,085 151.8K -2% -$98.7K
D 2025-02-12 2025-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +2,670 151.2K +2% —
D 2025-02-12 2025-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $42.65 -1,097 150.1K -0.7% -$46.8K
D 2024-11-12 2024-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $24.52 -1,359 148.5K -0.9% -$33.3K
D 2024-11-12 2024-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +2,680 149.8K +2% —
D 2024-08-13 2024-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +267 14.9K +2% —
D 2024-08-13 2024-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $508.76 -136 14.7K -0.9% -$69.2K
DM 2024-07-03 2024-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,559 14.6K +12% —
DM 2024-07-03 2024-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $812.32 -792 14.6K -5% -$643.4K
DM 2024-05-14 2024-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,592 13.3K +14% —
DM 2024-05-14 2024-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $798.50 -808 13.8K -6% -$645.2K
D 2024-02-20 2024-02-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,000 13.5K +8% —
D 2024-02-20 2024-02-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $1,004.00 -507 13.0K -4% -$509.0K
DM 2024-02-13 2024-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,590 12.8K +14% —
DM 2024-02-13 2024-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $740.29 -628 11.7K -5% -$464.9K
2023-12-07 2023-12-05 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale $252.18 -20.0K 11.6K -63% -$5.04M
DM 2023-12-05 2023-12-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx $55.54 +38.9K 18.2K New +$2.16M
DM 2023-12-05 2023-12-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale+OE $267.88 -21.6K 35.4K -38% -$5.77M
DM 2023-11-14 2023-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,591 14.8K +12% —
DM 2023-11-14 2023-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $266.03 -790 13.7K -5% -$210.2K
D 2023-11-08 2023-11-06 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx $22.10 +16.1K 29.5K +119% +$355.2K
DM 2023-11-08 2023-11-06 SMCI Supermicro WEIGAND DAVID E SVP, CFO S - Sale+OE $249.59 -16.1K 14.8K -52% -$4.01M
D 2023-08-17 2023-08-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $264.22 -496 13.5K -4% -$131.1K
D 2023-08-17 2023-08-15 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,000 14.0K +8% —
DM 2023-08-14 2023-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,590 13.1K +14% —
DM 2023-08-14 2023-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $277.12 -790 13.0K -6% -$218.9K
D 2023-07-05 2023-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +938 12.5K +8% —
D 2023-07-05 2023-07-01 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $249.25 -378 12.2K -3% -$94.2K
DM 2023-05-12 2023-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $134.28 -829 10.2K -8% -$111.3K
DM 2023-05-12 2023-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +2,393 10.3K +30% —
D 2023-03-28 2023-03-25 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $110.83 -173 10.0K -2% -$19.2K
D 2023-03-28 2023-03-25 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +500 10.2K +5% —
DM 2023-02-14 2023-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $90.02 -540 9,059 -6% -$48.6K
DM 2023-02-14 2023-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,323 10.2K +15% —
DM 2022-11-14 2022-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $80.72 -458 8,926 -5% -$37.0K
DM 2022-11-14 2022-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +1,323 9,306 +17% —
D 2022-10-27 2022-10-25 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $67.04 -173 8,061 -2% -$11.6K
D 2022-10-27 2022-10-25 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +500 8,234 +6% —
D 2022-08-12 2022-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +225 7,812 +3% —
D 2022-08-12 2022-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $63.73 -78 7,734 -1.0% -$4,971
D 2022-05-18 2022-05-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $52.59 -217 7,587 -3% -$11.4K
D 2022-05-18 2022-05-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +625 7,804 +9% —
D 2022-05-12 2022-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +225 7,257 +3% —
D 2022-05-12 2022-05-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $51.08 -78 7,179 -1% -$3,984
D 2022-02-18 2022-02-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +625 7,289 +9% —
D 2022-02-18 2022-02-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $39.76 -257 7,032 -4% -$10.2K
D 2022-02-14 2022-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $38.57 -93 6,664 -1% -$3,587
D 2022-02-14 2022-02-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +225 6,757 +3% —
D 2021-11-18 2021-11-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +625 6,749 +10% —
D 2021-11-18 2021-11-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $44.01 -217 6,532 -3% -$9,550
D 2021-11-12 2021-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +225 6,202 +4% —
D 2021-11-12 2021-11-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $43.82 -78 6,124 -1% -$3,418
D 2021-08-18 2021-08-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +625 6,194 +11% —
D 2021-08-18 2021-08-16 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $37.06 -217 5,977 -4% -$8,042
D 2021-08-12 2021-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO F - Tax $38.57 -78 5,569 -1% -$3,008
D 2021-08-12 2021-08-10 SMCI Supermicro WEIGAND DAVID E SVP, CFO M - OptEx — +225 5,647 +4% —

Purchase Sale Sale after option exercise All abbreviations