Siu Chris (CIK 0001389044)

Latest company ownership

UCTT - Ultra Clean Holdings, Inc.
Role: Chief Accounting Officer & SVP
Shares held
40,106
Last filed at
Jun 2, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2020Q2 2025Q4
Shares held
5,211
Last filed at
Dec 1, 2025
Confidence Score
81.4
2025Q4
Confidence Score History
2023Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 1, 2025 Dec 1, 2025 AEHR TEST SYSTEMS CFO Sell 52.5 -349 -0.44% ✗ $7.9K
Oct 13, 2025 Oct 14, 2025 AEHR TEST SYSTEMS CFO Sell 48.8 -695 -0.86% ✗ $16.3K
Oct 2, 2025 Oct 8, 2025 AEHR TEST SYSTEMS CFO Sell 52.5 -126 -0.16% ✗ $4.1K
Oct 2, 2025 Oct 2, 2025 AEHR TEST SYSTEMS CFO Sell 48.8 -694 -0.85% ✗ $22.4K
Oct 1, 2025 Oct 1, 2025 AEHR TEST SYSTEMS CFO Buy 77.5 +1,009 1.25% ✗ $6.7K
Sep 2, 2025 Sep 2, 2025 AEHR TEST SYSTEMS CFO Sell 52.5 -349 -0.43% ✗ $8.7K
Jul 11, 2025 Jul 11, 2025 AEHR TEST SYSTEMS CFO Sell 46.3 -1,045 -1.28% ✗ $14.7K
Jul 2, 2025 Jul 3, 2025 AEHR TEST SYSTEMS CFO Sell 91.3 +35,832 77.91% ✗ $11.4K
Jun 2, 2025 Jun 2, 2025 AEHR TEST SYSTEMS CFO Sell 47.5 -524 -1.13% ✗ $5.1K
Apr 11, 2025 Apr 11, 2025 AEHR TEST SYSTEMS CFO Sell 47.5 -836 -1.79% ✗ $7.1K
Apr 1, 2025 Apr 2, 2025 AEHR TEST SYSTEMS CFO Buy 83.8 +2,175 4.90% ✗ $14.5K
Mar 3, 2025 Mar 3, 2025 AEHR TEST SYSTEMS CFO Sell 50.0 -420 -0.94% ✗ $3.7K
Jan 13, 2025 Jan 14, 2025 AEHR TEST SYSTEMS CFO Sell 46.3 -836 -1.83% ✗ $13.4K
Dec 2, 2024 Dec 2, 2024 AEHR TEST SYSTEMS CFO Sell 50.0 -348 -0.76% ✗ $4.4K
Oct 11, 2024 Oct 15, 2024 AEHR TEST SYSTEMS CFO Sell 46.3 -693 -1.48% ✗ $11.1K
Oct 1, 2024 Oct 3, 2024 AEHR TEST SYSTEMS CFO Buy 67.5 +427 0.92% ✗ $4.4K
Sep 3, 2024 Sep 3, 2024 AEHR TEST SYSTEMS CFO Sell 50.0 -348 -0.75% ✗ $4.7K
Jun 3, 2024 Jun 13, 2024 AEHR TEST SYSTEMS CFO Sell 47.5 -339 -2.13% ✗ $3.8K
Apr 1, 2024 Apr 2, 2024 AEHR TEST SYSTEMS CFO Buy 91.3 +1,600 11.15% ✗ $16.8K
Mar 1, 2024 Mar 1, 2024 AEHR TEST SYSTEMS CFO Sell 47.5 -397 -2.69% ✗ $7K
Dec 6, 2023 Dec 7, 2023 AEHR TEST SYSTEMS CFO Sell 47.5 -322 -2.14% ✗ $8.1K
Sep 1, 2023 Sep 5, 2023 AEHR TEST SYSTEMS CFO Sell 91.3 +15,069 100.00% ✗ $26K
May 6, 2022 Jun 2, 2022 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 22.5 -3,547 -8.13% ✗ $133.8K
Apr 29, 2022 May 3, 2022 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 91.3 +5,533 14.51% ✗ $21.9K
Apr 24, 2022 Apr 26, 2022 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 22.5 -2,264 -5.61% ✗ $76K
May 31, 2021 Jun 2, 2021 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 20.0 -4,480 -9.66% ✗ $252.4K
Apr 24, 2021 Apr 27, 2021 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 22.5 -2,264 -5.25% ✗ $122.5K
Aug 3, 2020 Aug 5, 2020 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 22.5 -7,613 -16.62% ✗ $163.7K
May 31, 2020 Jun 1, 2020 Ultra Clean Holdings, Inc. Chief Accounting Officer & SVP Sell 22.5 -4,114 -8.24% ✗ $85.3K