Chang Mike F (CIK 0001511393)

Latest company ownership

Shares held
4,352,547
Last filed at
Oct 21, 2025
Confidence Score
50.1
2025Q4
Confidence Score History
2012Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 17, 2025 Mar 18, 2025 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 70.0 +12,177 0.28% ✗ $1.3M
Jan 2, 2025 Jan 3, 2025 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 42.5 -22,446 -0.51% ✗ $820.2K
Mar 15, 2024 Mar 18, 2024 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 42.5 -17,470 -0.39% ✗ $1.2M
Jan 29, 2024 Jan 30, 2024 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.66% ✓ $807.4K
Jan 2, 2024 Jan 5, 2024 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 90.0 +162,695 3.75% ✗ $473.8K
Dec 28, 2023 Dec 29, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.69% ✓ $796K
Dec 14, 2023 Dec 18, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.69% ✓ $750K
Oct 26, 2023 Oct 27, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.69% ✓ $751K
Sep 26, 2023 Sep 27, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.69% ✓ $859.1K
Sep 1, 2023 Sep 5, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 45.0 -30,000 -0.68% ✓ $930.3K
Mar 15, 2023 Mar 17, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd Chair Sell 77.5 +35,381 0.81% ✗ $1.4M
Jan 9, 2023 Jan 10, 2023 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 40.0 -56,400 -1.28% ✓ $1.7M
Mar 15, 2022 Mar 17, 2022 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 66.3 +51,984 0.20% ✓ $5.7M
Mar 15, 2021 Mar 17, 2021 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 70.0 +125,229 0.49% ✗ $1.9M
Jan 11, 2021 Jan 12, 2021 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 45.0 -25,434 -0.60% ✓ $729.9K
Dec 2, 2020 Jan 8, 2021 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 32.5 -189,566 -4.28% ✓ $3.5M
Oct 5, 2020 Oct 6, 2020 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 36.3 -94,000 -2.08% ✓ $1.5M
Mar 16, 2020 Mar 18, 2020 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 72.5 +38,374 0.88% ✗ $232.8K
Mar 15, 2019 Mar 18, 2019 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 67.5 +18,140 0.42% ✗ $356.2K
Jan 3, 2019 Jan 4, 2019 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 47.5 +480 0.01% ✓ $4.8K
Dec 24, 2018 Dec 27, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 75.0 +37,671 0.89% ✓ $371.4K
Dec 20, 2018 Dec 21, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 75.0 +31,318 0.75% ✓ $309.4K
Dec 17, 2018 Dec 19, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 75.0 +40,252 0.97% ✓ $401K
Dec 11, 2018 Dec 13, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 47.5 +800 0.02% ✓ $8K
Dec 6, 2018 Dec 10, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 75.0 +36,405 0.88% ✓ $361.5K
Nov 20, 2018 Nov 21, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Buy 56.3 +3,930 0.10% ✗ $39.3K
Mar 15, 2018 Mar 19, 2018 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 75.0 +31,693 0.77% ✗ $296.9K
Mar 15, 2017 Mar 17, 2017 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 82.5 +61,215 1.53% ✗ $154.4K
Feb 14, 2017 Feb 16, 2017 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 51.3 -1,373 -0.03% ✗ $29.5K
Nov 21, 2016 Dec 14, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 40.0 -60,000 -1.48% ✓ $1.1M
Nov 11, 2016 Nov 15, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 40.0 -50,000 -1.22% ✓ $1.1M
Sep 19, 2016 Oct 12, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 32.5 -150,000 -3.53% ✓ $1.1M
Apr 26, 2016 Apr 28, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -97 0.00% ✗ $1.3K
Mar 28, 2016 Mar 30, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $3.1K
Mar 15, 2016 Mar 17, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 72.5 +34,319 0.81% ✗ $60.5K
Feb 16, 2016 Feb 18, 2016 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 51.3 -1,372 -0.03% ✗ $15.6K
Dec 28, 2015 Dec 29, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.7K
Sep 28, 2015 Sep 30, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -289 -0.01% ✗ $2.3K
Jun 26, 2015 Jun 30, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.6K
Mar 26, 2015 Mar 30, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.5K
Mar 16, 2015 Mar 18, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 68.8 +37,560 0.90% ✗ $12.8K
Feb 14, 2015 Mar 17, 2015 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 51.3 -1,372 -0.03% ✗ $12.4K
Dec 29, 2014 Dec 30, 2014 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.6K
Sep 26, 2014 Sep 30, 2014 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -289 -0.01% ✗ $2.8K
Jun 26, 2014 Jun 30, 2014 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.7K
Mar 26, 2014 Mar 28, 2014 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -298 -0.01% ✗ $2.1K
Feb 14, 2014 Feb 18, 2014 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -1,375 -0.03% ✗ $10K
Dec 26, 2013 Dec 30, 2013 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -296 -0.01% ✗ $2.4K
Sep 26, 2013 Sep 30, 2013 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -295 -0.01% ✗ $2.5K
Jun 26, 2013 Jun 28, 2013 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -292 -0.01% ✗ $2.2K
Mar 26, 2013 Mar 28, 2013 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -345 -0.01% ✗ $3.1K
Dec 31, 2012 Jan 3, 2013 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.4K
Sep 26, 2012 Sep 27, 2012 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -192 0.00% ✗ $1.7K
Jul 26, 2012 Jul 30, 2012 ALPHA & OMEGA SEMICONDUCTOR Ltd CEO Sell 52.5 -288 -0.01% ✗ $2.2K