C H Chen

CIK 1196527 · View on SEC EDGAR ↗

Insider

First SEC filing: May 24, 2006 · Latest: May 24, 2006

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 43 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

43 other filings hidden
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 -14.7% (price as of 2026-08-19)
Nov. 16, 2021 DIOD S 14,804 $109.39 $1,619,410 29,000 Indirect -33.80% Disposed -14.0% (price as of 2026-08-19)
Nov. 15, 2021 DIOD S 196 $108.76 $21,317 43,804 Indirect -0.45% Disposed -13.5% (price as of 2026-08-19)
Nov. 15, 2021 DIOD S 3,000 $108.30 $324,900 44,000 Indirect -6.38% Disposed -13.1% (price as of 2026-08-19)
Nov. 15, 2021 DIOD S 3,000 $108.17 $324,510 47,000 Indirect -6.00% Disposed -13.0% (price as of 2026-08-19)
Sept. 7, 2021 DIOD S 10b5-1 50,000 $96.65 $4,832,500 50,000 Indirect -50.00% Disposed -2.6% (price as of 2026-08-19)
March 16, 2021 DIOD S 10b5-1 20,000 $84.00 $1,680,000 100,000 Indirect -16.67% Disposed 12.0% (price as of 2026-08-19)
March 16, 2021 DIOD S 10b5-1 15,000 $83.69 $1,255,350 120,000 Indirect -11.11% Disposed 12.4% (price as of 2026-08-19)
March 16, 2021 DIOD S 10b5-1 15,000 $83.60 $1,254,000 135,000 Indirect -10.00% Disposed 12.6% (price as of 2026-08-19)
Dec. 4, 2020 DIOD S 10b5-1 50,000 $70.91 $3,545,500 150,000 Indirect -25.00% Disposed 32.7% (price as of 2026-08-19)
Sept. 28, 2020 DIOD S 10b5-1 40,000 $52.88 $2,115,200 94,379 Direct -29.77% Disposed 78.0% (price as of 2026-08-19)
June 5, 2020 DIOD S 10b5-1 5,316 $52.08 $276,857 200,000 Indirect -2.59% Disposed 80.7% (price as of 2026-08-19)
June 4, 2020 DIOD S 10b5-1 4,684 $52.00 $243,568 205,316 Indirect -2.23% Disposed 81.0% (price as of 2026-08-19)
June 4, 2020 DIOD S 10b5-1 10,000 $51.50 $515,000 210,000 Indirect -4.55% Disposed 82.7% (price as of 2026-08-19)
June 3, 2020 DIOD S 10b5-1 10,000 $51.00 $510,000 220,000 Indirect -4.35% Disposed 84.5% (price as of 2026-08-19)
June 3, 2020 DIOD S 10b5-1 10,000 $50.50 $505,000 230,000 Indirect -4.17% Disposed 86.3% (price as of 2026-08-19)
June 3, 2020 DIOD S 10b5-1 10,000 $50.00 $500,000 240,000 Indirect -4.00% Disposed 88.2% (price as of 2026-08-19)
April 29, 2020 DIOD S 10b5-1 16,589 $51.58 $855,661 122,679 Direct -11.91% Disposed 82.4% (price as of 2026-08-19)
April 28, 2020 DIOD S 10b5-1 23,411 $50.42 $1,180,383 139,268 Direct -14.39% Disposed 86.6% (price as of 2026-08-19)
Feb. 14, 2019 DIOD S 10b5-1 5,000 $38.50 $192,500 399,679 Direct -1.24% Disposed 144.4% (price as of 2026-08-19)
Feb. 14, 2019 DIOD S 10b5-1 5,000 $38.00 $190,000 404,679 Direct -1.22% Disposed 147.6% (price as of 2026-08-19)
Feb. 13, 2019 DIOD S 10b5-1 5,000 $37.50 $187,500 409,679 Direct -1.21% Disposed 150.9% (price as of 2026-08-19)
Feb. 13, 2019 DIOD S 10b5-1 5,000 $37.00 $185,000 414,679 Direct -1.19% Disposed 154.3% (price as of 2026-08-19)
Feb. 6, 2019 DIOD S 10b5-1 5,000 $36.50 $182,500 419,679 Direct -1.18% Disposed 157.8% (price as of 2026-08-19)
Feb. 6, 2019 DIOD S 10b5-1 5,000 $36.10 $180,500 424,679 Direct -1.16% Disposed 160.7% (price as of 2026-08-19)
Feb. 5, 2019 DIOD S 10b5-1 5,000 $35.50 $177,500 429,679 Direct -1.15% Disposed 165.1% (price as of 2026-08-19)
Dec. 3, 2018 DIOD S 10b5-1 5,000 $35.26 $176,300 434,679 Direct -1.14% Disposed 166.9% (price as of 2026-08-19)
June 4, 2018 DIOD S 10b5-1 20,000 $35.26 $705,200 439,679 Direct -4.35% Disposed 166.9% (price as of 2026-08-19)
June 1, 2018 DIOD S 10b5-1 1,223 $34.50 $42,194 460,106 Direct -0.27% Disposed 172.8% (price as of 2026-08-19)
June 1, 2018 DIOD S 10b5-1 427 $34.51 $14,736 459,679 Direct -0.09% Disposed 172.7% (price as of 2026-08-19)
May 31, 2018 DIOD S 10b5-1 100 $34.50 $3,450 467,849 Direct -0.02% Disposed 172.8% (price as of 2026-08-19)
May 30, 2018 DIOD S 10b5-1 6,950 $34.51 $239,844 467,949 Direct -1.46% Disposed 172.7% (price as of 2026-08-19)
May 29, 2018 DIOD S 10b5-1 1,300 $34.50 $44,850 474,899 Direct -0.27% Disposed 172.8% (price as of 2026-08-19)
May 25, 2018 DIOD S 10b5-1 6,520 $34.00 $221,680 469,679 Direct -1.37% Disposed 176.8% (price as of 2026-08-19)
May 22, 2018 DIOD S 10b5-1 3,480 $34.01 $118,355 476,199 Direct -0.73% Disposed 176.7% (price as of 2026-08-19)
Sept. 27, 2017 DIOD S 10b5-1 15,000 $29.50 $442,500 464,979 Direct -3.13% Disposed 219.0% (price as of 2026-08-19)
Sept. 27, 2017 DIOD S 10b5-1 15,000 $29.00 $435,000 479,979 Direct -3.03% Disposed 224.5% (price as of 2026-08-19)
Sept. 1, 2017 DIOD S 10b5-1 100 $28.50 $2,850 494,979 Direct -0.02% Disposed 230.2% (price as of 2026-08-19)
Sept. 1, 2017 DIOD S 10b5-1 14,900 $28.50 $424,650 495,079 Direct -2.92% Disposed 230.2% (price as of 2026-08-19)
Aug. 31, 2017 DIOD S 10b5-1 15,000 $28.01 $420,150 509,979 Direct -2.86% Disposed 236.0% (price as of 2026-08-19)
March 9, 2015 DIOD S 10b5-1 9,800 $29.00 $284,200 480,879 Direct -2.00% Disposed 224.5% (price as of 2026-08-19)
March 2, 2015 DIOD S 10b5-1 200 $29.00 $5,800 490,679 Direct -0.04% Disposed 224.5% (price as of 2026-08-19)
Feb. 11, 2015 DIOD S 10b5-1 10,000 $28.50 $285,000 490,879 Direct -2.00% Disposed 230.2% (price as of 2026-08-19)
Feb. 6, 2015 DIOD S 10b5-1 10,000 $28.00 $280,000 500,879 Direct -1.96% Disposed 236.1% (price as of 2026-08-19)
July 22, 2014 DIOD S 10b5-1 15,000 $30.00 $450,000 510,879 Direct -2.85% Disposed 213.7% (price as of 2026-08-19)
July 3, 2014 DIOD S 10b5-1 20,000 $30.00 $600,000 489,717 Direct -3.92% Disposed 213.7% (price as of 2026-08-19)
March 4, 2011 DIOD S 10b5-1 55,000 $31.36 $1,724,800 402,704 Direct -12.02% Disposed 200.1% (price as of 2026-08-19)
March 3, 2011 DIOD S 10b5-1 21,587 $30.73 $663,369 364,579 Direct -5.59% Disposed 206.2% (price as of 2026-08-19)
March 2, 2011 DIOD S 10b5-1 3,413 $30.50 $104,096 364,579 Direct -0.93% Disposed 208.5% (price as of 2026-08-19)
Dec. 1, 2010 DIOD S 50,768 $25.05 $1,271,738 364,579 Direct -12.22% Disposed 275.6% (price as of 2026-08-19)
Nov. 29, 2010 DIOD S 10b5-1 9,232 $25.00 $230,800 306,454 Direct -2.92% Disposed 276.4% (price as of 2026-08-19)
June 11, 2008 DIOD S 10b5-1 25,000 $30.00 $750,000 289,504 Direct -7.95% Disposed 213.7% (price as of 2026-08-19)
June 11, 2008 DIOD S 10b5-1 25,000 $29.20 $730,000 264,504 Direct -8.64% Disposed 222.3% (price as of 2026-08-19)
July 10, 2007 DIOD S 10b5-1 10,000 $43.00 $430,000 89,000 Direct -10.10% Disposed 228.3% (price as of 2026-08-19)
July 9, 2007 DIOD S 10b5-1 10,000 $42.50 $425,000 89,000 Direct -10.10% Disposed 232.1% (price as of 2026-08-19)
July 3, 2007 DIOD S 10b5-1 17,500 $42.00 $735,000 89,000 Direct -16.43% Disposed 236.1% (price as of 2026-08-19)
Feb. 24, 2006 DIOD S 10b5-1 24,904 $38.00 $946,352 0 Direct -100.00% Disposed 271.4% (price as of 2026-08-19)

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 (36,162) $11.53 April 14, 2015 36,162 Disposed
July 3, 2014 DIOD 4/14/05 DIOD NQSO Diodes Incorporated Common Stock - Diodes (48,213) $11.53 April 14, 2015 48,213 Disposed
March 4, 2011 DIOD 7/14/04 DIOD NQSO Diodes Incorporated Common Stock (93,125) $8.14 July 14, 2014 93,125 Disposed
March 3, 2011 DIOD 7/14/04 DIOD NQSO Diodes Incorporated Common Stock (21,587) $8.14 July 14, 2014 21,587 Disposed
March 2, 2011 DIOD 7/14/04 DIOD NQSO Diodes Incorporated Common Stock (3,413) $8.14 July 14, 2014 3,413 Disposed
Dec. 1, 2010 DIOD 8/1/03 DIOD NQSO Diodes Incorporated Common Stock (108,893) $5.80 Aug. 1, 2013 108,893 Disposed
Nov. 29, 2010 DIOD 8/1/03 DIOD NQSO Diodes Incorporated Common Stock (9,232) $5.80 Aug. 1, 2013 9,232 Disposed
June 11, 2008 DIOD 6/28/02 DIOD NQ Diodes Inc. Common Stock (100,000) $2.53 June 28, 2012 100,000 Disposed
Feb. 25, 2008 DIOD 6/28/02 DIOD NQ Diodes Inc. Common Stock (68,750) $2.53 June 28, 2012 68,750 Disposed
July 10, 2007 DIOD 4/24/00 DIOD NQ Diodes Inc. Common Stock (10,000) $8.93 April 24, 2010 10,000 Disposed
July 9, 2007 DIOD 4/24/00 DIOD NQ Diodes Inc. Common Stock (10,000) $8.93 April 24, 2010 10,000 Disposed
July 3, 2007 DIOD 4/24/00 DIOD NQ Diodes Inc. Common Stock (17,500) $8.93 April 24, 2010 17,500 Disposed
Feb. 24, 2006 DIOD Common Stock (Right to Buy) Common Stock (24,904) $8.93 April 24, 2010 24,904 Disposed
Feb. 23, 2006 DIOD Common Stock (Right to Buy) Common Stock (3,856) $8.93 April 24, 2010 3,856 Disposed
Feb. 22, 2006 DIOD Common Stock (Right to Buy) Common Stock (1,240) $8.93 April 24, 2010 1,240 Disposed
Feb. 21, 2006 DIOD Common Stock (Right to Buy) Common Stock (30,000) $8.93 April 24, 2010 30,000 Disposed
May 16, 2005 DIOD Common Stock (Right to Buy) Common Stock (9,217) $13.39 April 24, 2010 9,217 Disposed
May 13, 2005 DIOD Common Stock (Right to Buy) Common Stock (18,104) $13.39 April 24, 2010 18,104 Disposed
May 2, 2005 DIOD Common Stock (Right to Buy) Common Stock (2,679) $13.39 April 24, 2010 2,679 Disposed
April 29, 2005 DIOD Common Stock (Right to Buy) Common Stock (15,000) $13.39 April 24, 2010 15,000 Disposed
April 14, 2005 DIOD Common Stock (Right to Buy) Common Stock (37,500) $25.95 April 14, 2015 37,500 Acquired
April 7, 2005 DIOD Common Stock (Right to Buy) Common Stock (15,000) $13.39 April 24, 2011 15,000 Disposed
Oct. 1, 2004 DIOD Common Stock Common Stocks (27,679) $13.39 April 24, 2010 27,679 Disposed
Sept. 21, 2004 DIOD Common Stock Common Stock (22,321) $13.39 April 24, 2010 22,321 Disposed
July 14, 2004 DIOD Common Stock Common Stock (52,500) $18.32 July 14, 2014 52,500 Acquired
April 26, 2004 DIOD Common Stock (Right to Buy) Common Stock (50,000) $13.39 April 24, 2010 50,000 Disposed
Aug. 1, 2003 DIOD Common Stock Common Stock (35,000) $19.56 Aug. 1, 2013 35,000 Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).