On this page
C H Chen
Insider
First SEC filing: May 24, 2006 · Latest: May 24, 2006
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 19, 2021 | DIOD | S | 4,000 | $110.30 | $441,200 | 25,000 Indirect | -13.79% | Disposed | -5.9% (price as of 2026-10-02) |
| Nov. 16, 2021 | DIOD | S | 14,804 | $109.39 | $1,619,410 | 29,000 Indirect | -33.80% | Disposed | -5.1% (price as of 2026-10-02) |
| Nov. 15, 2021 | DIOD | S | 196 | $108.76 | $21,317 | 43,804 Indirect | -0.45% | Disposed | -4.5% (price as of 2026-10-02) |
| Nov. 15, 2021 | DIOD | S | 3,000 | $108.30 | $324,900 | 44,000 Indirect | -6.38% | Disposed | -4.1% (price as of 2026-10-02) |
| Nov. 15, 2021 | DIOD | S | 3,000 | $108.17 | $324,510 | 47,000 Indirect | -6.00% | Disposed | -4.0% (price as of 2026-10-02) |
| Sept. 7, 2021 | DIOD | S 10b5-1 | 50,000 | $96.65 | $4,832,500 | 50,000 Indirect | -50.00% | Disposed | 7.4% (price as of 2026-10-02) |
| May 24, 2021 | DIOD | A | 4,250 | · | · | 98,629 Direct | +4.50% | Acquired | (price as of 2026-10-02) |
| March 16, 2021 | DIOD | S 10b5-1 | 20,000 | $84.00 | $1,680,000 | 100,000 Indirect | -16.67% | Disposed | 23.6% (price as of 2026-10-02) |
| March 16, 2021 | DIOD | S 10b5-1 | 15,000 | $83.69 | $1,255,350 | 120,000 Indirect | -11.11% | Disposed | 24.1% (price as of 2026-10-02) |
| March 16, 2021 | DIOD | S 10b5-1 | 15,000 | $83.60 | $1,254,000 | 135,000 Indirect | -10.00% | Disposed | 24.2% (price as of 2026-10-02) |
| Dec. 4, 2020 | DIOD | S 10b5-1 | 50,000 | $70.91 | $3,545,500 | 150,000 Indirect | -25.00% | Disposed | 46.4% (price as of 2026-10-02) |
| Sept. 28, 2020 | DIOD | S 10b5-1 | 40,000 | $52.88 | $2,115,200 | 94,379 Direct | -29.77% | Disposed | 96.4% (price as of 2026-10-02) |
| June 5, 2020 | DIOD | S 10b5-1 | 5,316 | $52.08 | $276,857 | 200,000 Indirect | -2.59% | Disposed | 99.4% (price as of 2026-10-02) |
| June 4, 2020 | DIOD | S 10b5-1 | 4,684 | $52.00 | $243,568 | 205,316 Indirect | -2.23% | Disposed | 99.7% (price as of 2026-10-02) |
| June 4, 2020 | DIOD | S 10b5-1 | 10,000 | $51.50 | $515,000 | 210,000 Indirect | -4.55% | Disposed | 101.6% (price as of 2026-10-02) |
| June 3, 2020 | DIOD | S 10b5-1 | 10,000 | $51.00 | $510,000 | 220,000 Indirect | -4.35% | Disposed | 103.6% (price as of 2026-10-02) |
| June 3, 2020 | DIOD | S 10b5-1 | 10,000 | $50.50 | $505,000 | 230,000 Indirect | -4.17% | Disposed | 105.6% (price as of 2026-10-02) |
| June 3, 2020 | DIOD | S 10b5-1 | 10,000 | $50.00 | $500,000 | 240,000 Indirect | -4.00% | Disposed | 107.7% (price as of 2026-10-02) |
| May 18, 2020 | DIOD | A | 11,700 | · | · | 134,379 Direct | +9.54% | Acquired | (price as of 2026-10-02) |
| April 29, 2020 | DIOD | S 10b5-1 | 16,589 | $51.58 | $855,661 | 122,679 Direct | -11.91% | Disposed | 101.3% (price as of 2026-10-02) |
| April 28, 2020 | DIOD | S 10b5-1 | 23,411 | $50.42 | $1,180,383 | 139,268 Direct | -14.39% | Disposed | 106.0% (price as of 2026-10-02) |
| May 17, 2019 | DIOD | A | 13,000 | · | · | 412,679 Direct | +3.25% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2019 | DIOD | S 10b5-1 | 5,000 | $38.50 | $192,500 | 399,679 Direct | -1.24% | Disposed | 169.7% (price as of 2026-10-02) |
| Feb. 14, 2019 | DIOD | S 10b5-1 | 5,000 | $38.00 | $190,000 | 404,679 Direct | -1.22% | Disposed | 173.3% (price as of 2026-10-02) |
| Feb. 13, 2019 | DIOD | S 10b5-1 | 5,000 | $37.50 | $187,500 | 409,679 Direct | -1.21% | Disposed | 176.9% (price as of 2026-10-02) |
| Feb. 13, 2019 | DIOD | S 10b5-1 | 5,000 | $37.00 | $185,000 | 414,679 Direct | -1.19% | Disposed | 180.6% (price as of 2026-10-02) |
| Feb. 6, 2019 | DIOD | S 10b5-1 | 5,000 | $36.50 | $182,500 | 419,679 Direct | -1.18% | Disposed | 184.5% (price as of 2026-10-02) |
| Feb. 6, 2019 | DIOD | S 10b5-1 | 5,000 | $36.10 | $180,500 | 424,679 Direct | -1.16% | Disposed | 187.6% (price as of 2026-10-02) |
| Feb. 5, 2019 | DIOD | S 10b5-1 | 5,000 | $35.50 | $177,500 | 429,679 Direct | -1.15% | Disposed | 192.5% (price as of 2026-10-02) |
| Dec. 3, 2018 | DIOD | S 10b5-1 | 5,000 | $35.26 | $176,300 | 434,679 Direct | -1.14% | Disposed | 194.5% (price as of 2026-10-02) |
| June 4, 2018 | DIOD | S 10b5-1 | 20,000 | $35.26 | $705,200 | 439,679 Direct | -4.35% | Disposed | 194.5% (price as of 2026-10-02) |
| June 1, 2018 | DIOD | S 10b5-1 | 1,223 | $34.50 | $42,194 | 460,106 Direct | -0.27% | Disposed | 201.0% (price as of 2026-10-02) |
| June 1, 2018 | DIOD | S 10b5-1 | 427 | $34.51 | $14,736 | 459,679 Direct | -0.09% | Disposed | 200.9% (price as of 2026-10-02) |
| May 31, 2018 | DIOD | S 10b5-1 | 100 | $34.50 | $3,450 | 467,849 Direct | -0.02% | Disposed | 201.0% (price as of 2026-10-02) |
| May 30, 2018 | DIOD | S 10b5-1 | 6,950 | $34.51 | $239,844 | 467,949 Direct | -1.46% | Disposed | 200.9% (price as of 2026-10-02) |
| May 29, 2018 | DIOD | S 10b5-1 | 1,300 | $34.50 | $44,850 | 474,899 Direct | -0.27% | Disposed | 201.0% (price as of 2026-10-02) |
| May 25, 2018 | DIOD | S 10b5-1 | 6,520 | $34.00 | $221,680 | 469,679 Direct | -1.37% | Disposed | 205.4% (price as of 2026-10-02) |
| May 22, 2018 | DIOD | S 10b5-1 | 3,480 | $34.01 | $118,355 | 476,199 Direct | -0.73% | Disposed | 205.3% (price as of 2026-10-02) |
| May 21, 2018 | DIOD | A | 14,700 | · | · | 479,679 Direct | +3.16% | Acquired | (price as of 2026-10-02) |
| Sept. 27, 2017 | DIOD | S 10b5-1 | 15,000 | $29.50 | $442,500 | 464,979 Direct | -3.13% | Disposed | 252.0% (price as of 2026-10-02) |
| Sept. 27, 2017 | DIOD | S 10b5-1 | 15,000 | $29.00 | $435,000 | 479,979 Direct | -3.03% | Disposed | 258.1% (price as of 2026-10-02) |
| Sept. 1, 2017 | DIOD | S 10b5-1 | 100 | $28.50 | $2,850 | 494,979 Direct | -0.02% | Disposed | 264.4% (price as of 2026-10-02) |
| Sept. 1, 2017 | DIOD | S 10b5-1 | 14,900 | $28.50 | $424,650 | 495,079 Direct | -2.92% | Disposed | 264.4% (price as of 2026-10-02) |
| Aug. 31, 2017 | DIOD | S 10b5-1 | 15,000 | $28.01 | $420,150 | 509,979 Direct | -2.86% | Disposed | 270.7% (price as of 2026-10-02) |
| May 16, 2017 | DIOD | A | 14,700 | · | · | 524,979 Direct | +2.88% | Acquired | (price as of 2026-10-02) |
| May 26, 2016 | DIOD | A | 14,700 | · | · | 510,279 Direct | +2.97% | Acquired | (price as of 2026-10-02) |
| May 26, 2015 | DIOD | A | 14,700 | · | · | 495,579 Direct | +3.06% | Acquired | (price as of 2026-10-02) |
| March 9, 2015 | DIOD | S 10b5-1 | 9,800 | $29.00 | $284,200 | 480,879 Direct | -2.00% | Disposed | 258.1% (price as of 2026-10-02) |
| March 2, 2015 | DIOD | S 10b5-1 | 200 | $29.00 | $5,800 | 490,679 Direct | -0.04% | Disposed | 258.1% (price as of 2026-10-02) |
| Feb. 11, 2015 | DIOD | S 10b5-1 | 10,000 | $28.50 | $285,000 | 490,879 Direct | -2.00% | Disposed | 264.4% (price as of 2026-10-02) |
| Feb. 6, 2015 | DIOD | S 10b5-1 | 10,000 | $28.00 | $280,000 | 500,879 Direct | -1.96% | Disposed | 270.9% (price as of 2026-10-02) |
| July 22, 2014 | DIOD | M 10b5-1 | 36,162 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 22, 2014 | DIOD | S 10b5-1 | 15,000 | $30.00 | $450,000 | 510,879 Direct | -2.85% | Disposed | 246.1% (price as of 2026-10-02) |
| July 22, 2014 | DIOD | M 10b5-1 | 36,162 | $11.53 | $416,948 | 525,879 Direct | +7.38% | Acquired | 800.6% (price as of 2026-10-02) |
| July 3, 2014 | DIOD | M 10b5-1 | 48,213 | · | · | 36,162 Direct | -57.14% | Disposed | (price as of 2026-10-02) |
| July 3, 2014 | DIOD | S 10b5-1 | 20,000 | $30.00 | $600,000 | 489,717 Direct | -3.92% | Disposed | 246.1% (price as of 2026-10-02) |
| July 3, 2014 | DIOD | M 10b5-1 | 48,213 | $11.53 | $555,896 | 509,717 Direct | +10.45% | Acquired | 800.6% (price as of 2026-10-02) |
| May 27, 2014 | DIOD | A | 14,700 | · | · | 461,504 Direct | +3.29% | Acquired | (price as of 2026-10-02) |
| June 6, 2013 | DIOD | A | 14,700 | · | · | 446,804 Direct | +3.40% | Acquired | (price as of 2026-10-02) |
| May 21, 2012 | DIOD | A | 14,700 | · | · | 432,104 Direct | +3.52% | Acquired | (price as of 2026-10-02) |
| May 26, 2011 | DIOD | A | 14,700 | · | · | 417,404 Direct | +3.65% | Acquired | (price as of 2026-10-02) |
| March 4, 2011 | DIOD | M 10b5-1 | 93,125 | $8.14 | $758,038 | 457,704 Direct | +25.54% | Acquired | 1175.7% (price as of 2026-10-02) |
| March 4, 2011 | DIOD | S 10b5-1 | 55,000 | $31.36 | $1,724,800 | 402,704 Direct | -12.02% | Disposed | 231.1% (price as of 2026-10-02) |
| March 4, 2011 | DIOD | M 10b5-1 | 93,125 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 3, 2011 | DIOD | M 10b5-1 | 21,587 | $8.14 | $175,718 | 386,166 Direct | +5.92% | Acquired | 1175.7% (price as of 2026-10-02) |
| March 3, 2011 | DIOD | S 10b5-1 | 21,587 | $30.73 | $663,369 | 364,579 Direct | -5.59% | Disposed | 237.9% (price as of 2026-10-02) |
| March 3, 2011 | DIOD | M 10b5-1 | 21,587 | · | · | 93,125 Direct | -18.82% | Disposed | (price as of 2026-10-02) |
| March 2, 2011 | DIOD | M 10b5-1 | 3,413 | $8.14 | $27,782 | 367,992 Direct | +0.94% | Acquired | 1175.7% (price as of 2026-10-02) |
| March 2, 2011 | DIOD | S 10b5-1 | 3,413 | $30.50 | $104,096 | 364,579 Direct | -0.93% | Disposed | 240.5% (price as of 2026-10-02) |
| March 2, 2011 | DIOD | M 10b5-1 | 3,413 | · | · | 114,712 Direct | -2.89% | Disposed | (price as of 2026-10-02) |
| Dec. 1, 2010 | DIOD | M 10b5-1 | 108,893 | $5.80 | $631,579 | 415,347 Direct | +35.53% | Acquired | 1690.3% (price as of 2026-10-02) |
| Dec. 1, 2010 | DIOD | S | 50,768 | $25.05 | $1,271,738 | 364,579 Direct | -12.22% | Disposed | 314.5% (price as of 2026-10-02) |
| Dec. 1, 2010 | DIOD | M 10b5-1 | 108,893 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 29, 2010 | DIOD | M 10b5-1 | 9,232 | $5.80 | $53,546 | 315,686 Direct | +3.01% | Acquired | 1690.3% (price as of 2026-10-02) |
| Nov. 29, 2010 | DIOD | S 10b5-1 | 9,232 | $25.00 | $230,800 | 306,454 Direct | -2.92% | Disposed | 315.4% (price as of 2026-10-02) |
| Nov. 29, 2010 | DIOD | M 10b5-1 | 9,232 | · | · | 108,893 Direct | -7.82% | Disposed | (price as of 2026-10-02) |
| May 24, 2010 | DIOD | A | 19,900 | · | · | 306,454 Direct | +6.94% | Acquired | (price as of 2026-10-02) |
| May 28, 2009 | DIOD | A | 22,050 | · | · | 286,554 Direct | +8.34% | Acquired | (price as of 2026-10-02) |
| June 11, 2008 | DIOD | M | 100,000 | $2.53 | $253,000 | 314,504 Direct | +46.62% | Acquired | 4004.3% (price as of 2026-10-02) |
| June 11, 2008 | DIOD | S 10b5-1 | 25,000 | $30.00 | $750,000 | 289,504 Direct | -7.95% | Disposed | 246.1% (price as of 2026-10-02) |
| June 11, 2008 | DIOD | S 10b5-1 | 25,000 | $29.20 | $730,000 | 264,504 Direct | -8.64% | Disposed | 255.6% (price as of 2026-10-02) |
| June 11, 2008 | DIOD | M | 100,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| May 29, 2008 | DIOD | A | 14,700 | · | · | 214,504 Direct | +7.36% | Acquired | (price as of 2026-10-02) |
| April 16, 2008 | DIOD | F | 2,446 | $25.70 | $62,862 | 162,679 Direct | -1.48% | Disposed | 304.0% (price as of 2026-10-02) |
| Feb. 25, 2008 | DIOD | M | 68,750 | $2.53 | $173,938 | 202,250 Direct | +51.50% | Acquired | 4004.3% (price as of 2026-10-02) |
| Feb. 25, 2008 | DIOD | M | 68,750 | · | · | 43,750 Direct | -61.11% | Disposed | (price as of 2026-10-02) |
| July 10, 2007 | DIOD | M 10b5-1 | 10,000 | $8.93 | $89,300 | 99,000 Direct | +11.24% | Acquired | 1644.2% (price as of 2026-10-02) |
| July 10, 2007 | DIOD | S 10b5-1 | 10,000 | $43.00 | $430,000 | 89,000 Direct | -10.10% | Disposed | 262.2% (price as of 2026-10-02) |
| July 10, 2007 | DIOD | M 10b5-1 | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| July 9, 2007 | DIOD | M 10b5-1 | 10,000 | $8.93 | $89,300 | 99,000 Direct | +11.24% | Acquired | 1644.2% (price as of 2026-10-02) |
| July 9, 2007 | DIOD | S 10b5-1 | 10,000 | $42.50 | $425,000 | 89,000 Direct | -10.10% | Disposed | 266.5% (price as of 2026-10-02) |
| July 9, 2007 | DIOD | M 10b5-1 | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| July 3, 2007 | DIOD | M 10b5-1 | 17,500 | $8.93 | $156,275 | 106,500 Direct | +19.66% | Acquired | 1644.2% (price as of 2026-10-02) |
| July 3, 2007 | DIOD | S 10b5-1 | 17,500 | $42.00 | $735,000 | 89,000 Direct | -16.43% | Disposed | 270.9% (price as of 2026-10-02) |
| July 3, 2007 | DIOD | M 10b5-1 | 17,500 | · | · | 20,000 Direct | -46.67% | Disposed | (price as of 2026-10-02) |
| May 31, 2007 | DIOD | A | 12,000 | · | · | 76,250 Direct | +18.68% | Acquired | (price as of 2026-10-02) |
| May 22, 2006 | DIOD | A | 17,000 | · | · | 77,000 Direct | +28.33% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2006 | DIOD | M 10b5-1 | 24,904 | · | · | 363,750 Direct | -6.41% | Disposed | (price as of 2026-10-02) |
| Feb. 24, 2006 | DIOD | S 10b5-1 | 24,904 | $38.00 | $946,352 | 0 Direct | -100.00% | Disposed | 309.9% (price as of 2026-10-02) |
| Feb. 24, 2006 | DIOD | M 10b5-1 | 24,904 | $8.93 | $222,393 | 24,904 Direct | · | Acquired | 1644.2% (price as of 2026-10-02) |
Showing latest 100 of 138 transactions
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 22, 2014 | DIOD | 4/14/05 DIOD NQSO | Diodes Incorporated Common Stock - Diodes | $11.53 | April 14, 2015 | 36,162 | Disposed |
| July 3, 2014 | DIOD | 4/14/05 DIOD NQSO | Diodes Incorporated Common Stock - Diodes | $11.53 | April 14, 2015 | 48,213 | Disposed |
| March 4, 2011 | DIOD | 7/14/04 DIOD NQSO | Diodes Incorporated Common Stock | $8.14 | July 14, 2014 | 93,125 | Disposed |
| March 3, 2011 | DIOD | 7/14/04 DIOD NQSO | Diodes Incorporated Common Stock | $8.14 | July 14, 2014 | 21,587 | Disposed |
| March 2, 2011 | DIOD | 7/14/04 DIOD NQSO | Diodes Incorporated Common Stock | $8.14 | July 14, 2014 | 3,413 | Disposed |
| Dec. 1, 2010 | DIOD | 8/1/03 DIOD NQSO | Diodes Incorporated Common Stock | $5.80 | Aug. 1, 2013 | 108,893 | Disposed |
| Nov. 29, 2010 | DIOD | 8/1/03 DIOD NQSO | Diodes Incorporated Common Stock | $5.80 | Aug. 1, 2013 | 9,232 | Disposed |
| June 11, 2008 | DIOD | 6/28/02 DIOD NQ | Diodes Inc. Common Stock | $2.53 | June 28, 2012 | 100,000 | Disposed |
| Feb. 25, 2008 | DIOD | 6/28/02 DIOD NQ | Diodes Inc. Common Stock | $2.53 | June 28, 2012 | 68,750 | Disposed |
| July 10, 2007 | DIOD | 4/24/00 DIOD NQ | Diodes Inc. Common Stock | $8.93 | April 24, 2010 | 10,000 | Disposed |
| July 9, 2007 | DIOD | 4/24/00 DIOD NQ | Diodes Inc. Common Stock | $8.93 | April 24, 2010 | 10,000 | Disposed |
| July 3, 2007 | DIOD | 4/24/00 DIOD NQ | Diodes Inc. Common Stock | $8.93 | April 24, 2010 | 17,500 | Disposed |
| Feb. 24, 2006 | DIOD | Common Stock (Right to Buy) | Common Stock | $8.93 | April 24, 2010 | 24,904 | Disposed |
| Feb. 23, 2006 | DIOD | Common Stock (Right to Buy) | Common Stock | $8.93 | April 24, 2010 | 3,856 | Disposed |
| Feb. 22, 2006 | DIOD | Common Stock (Right to Buy) | Common Stock | $8.93 | April 24, 2010 | 1,240 | Disposed |
| Feb. 21, 2006 | DIOD | Common Stock (Right to Buy) | Common Stock | $8.93 | April 24, 2010 | 30,000 | Disposed |
| May 16, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2010 | 9,217 | Disposed |
| May 13, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2010 | 18,104 | Disposed |
| May 2, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2010 | 2,679 | Disposed |
| April 29, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2010 | 15,000 | Disposed |
| April 14, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $25.95 | April 14, 2015 | 37,500 | Acquired |
| April 7, 2005 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2011 | 15,000 | Disposed |
| Oct. 1, 2004 | DIOD | Common Stock | Common Stocks | $13.39 | April 24, 2010 | 27,679 | Disposed |
| Sept. 21, 2004 | DIOD | Common Stock | Common Stock | $13.39 | April 24, 2010 | 22,321 | Disposed |
| July 14, 2004 | DIOD | Common Stock | Common Stock | $18.32 | July 14, 2014 | 52,500 | Acquired |
| April 26, 2004 | DIOD | Common Stock (Right to Buy) | Common Stock | $13.39 | April 24, 2010 | 50,000 | Disposed |
| Aug. 1, 2003 | DIOD | Common Stock | Common Stock | $19.56 | Aug. 1, 2013 | 35,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).