Chang David C

Number of records: 42
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
20-May-24 12:04 PM
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AXT Inc. (AXTI) 16-May-24Grant 23,323----10%
229.25K to 252.57K
19-May-23 6:41 PM
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AXT Inc. (AXTI) 18-May-23Grant 23,323----11%
205.93K to 229.25K
23-May-22 12:20 PM
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AXT Inc. (AXTI) 19-May-22Grant 15,238----8%
190.69K to 205.93K
24-May-21 5:57 PM
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AXT Inc. (AXTI) 20-May-21Grant 6,726----4%
183.96K to 190.69K
01-Jun-20 3:52 PM
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AXT Inc. (AXTI) 28-May-20Market Sale 12,800$5.48$70,144.00(7%)
196.76K to 183.96K
22-May-20 6:54 PM
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AXT Inc. (AXTI) 21-May-20Grant 10,909----6%
185.85K to 196.76K
24-May-18 8:39 PM
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AXT Inc. (AXTI) 24-May-18Grant 7,594----5%
164.81K to 172.4K
24-May-19 12:11 PM
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AXT Inc. (AXTI) 23-May-18Grant 13,452----8%
172.4K to 185.85K
02-Aug-17 7:09 PM
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AXT Inc. (AXTI) 01-Aug-17Market Sale 9,000$8.80$79,200.00(5%)
173.81K to 164.81K
50%
26-May-17 8:35 PM
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AXT Inc. (AXTI) 27-May-17Grant 8,823----5%
164.98K to 173.81K
31-May-16 4:42 PM
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AXT Inc. (AXTI) 26-May-16Grant 16,260----11%
148.72K to 164.98K
20-May-16 7:54 PM
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Time Warner Cable Inc. (TWC) 18-May-16Disposition 4,678----(100%)
4.68K to 0
11-Jan-16 5:27 PM
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Time Warner Cable Inc. (TWC) 08-Jan-16Option Exercise 603----15%
4.08K to 4.68K
07-Dec-15 2:07 PM
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AXT Inc. (AXTI) 02-Nov-15Grant 13,761----10%
134.96K to 148.72K
09-Jul-15 4:59 PM
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Time Warner Cable Inc. (TWC) 08-Jul-15Option Exercise 722----22%
3.35K to 4.08K
29-May-15 1:55 PM
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AXT Inc. (AXTI) 27-May-15Grant 11,952----10%
123.01K to 134.96K
18-Feb-15 4:39 PM
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Time Warner Cable Inc. (TWC) 13-Feb-15Option Exercise 910----37%
2.44K to 3.35K
14-May-14 1:36 PM
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AXT Inc. (AXTI) 13-May-14Grant 13,761----13%
109.25K to 123.01K
18-Feb-14 8:44 PM
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Time Warner Cable Inc. (TWC) 14-Feb-14Option Exercise 919----60%
1.52K to 2.44K
14-May-13 5:26 PM
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AXT Inc. (AXTI) 14-May-13Grant 10,909----11%
98.34K to 109.25K
14-Feb-13 6:42 PM
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Time Warner Cable Inc. (TWC) 12-Feb-13Option Exercise 1,296----568%
0.23K to 1.52K
15-May-12 7:16 PM
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AXT Inc. (AXTI) 15-May-12Grant 7,692----8%
90.65K to 98.34K
25-May-11 2:51 PM
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AXT Inc. (AXTI) 23-May-11Grant 4,137----5%
86.51K to 90.65K
23-Nov-10 5:41 PM
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AXT Inc. (AXTI) 23-Nov-10Market Sale 58,000$8.15$472,770.00(67%)
86.31K to 28.31K
46%
31-Aug-10 2:26 PM
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AXT Inc. (AXTI) 31-Aug-10Market Purchase 3,000$5.15$15,450.004%
83.31K to 86.31K
(14%)
24-Aug-10 5:14 PM
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AXT Inc. (AXTI) 23-Aug-10Market Purchase 3,000$5.49$16,470.004%
80.51K to 83.51K
(19%)
08-Apr-10 12:43 PM
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AXT Inc. (AXTI) 07-Apr-10Grant 9,009$3.33$30,000.0013%
71.5K to 80.51K
33%
01-Sep-09 6:54 PM
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AXT Inc. (AXTI) 31-Aug-09Market Purchase 3,000$1.81$5,430.004%
68.5K to 71.5K
145%
28-Apr-09 5:21 PM
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AXT Inc. (AXTI) 27-Apr-09Grant 22,727----50%
45.78K to 68.5K
16-Apr-09 5:44 PM
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Time Warner Cable Inc. (TWC) 09-Apr-09Disposition (other) 0$27.37$2.74(< 1%)
0.23K
(710%)
03-Nov-08 6:04 PM
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AXT Inc. (AXTI) 31-Oct-08Grant 15,723----52%
30.05K to 45.78K
06-Aug-07 6:27 PM
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AXT Inc. (AXTI) 06-Aug-07Grant 3,218----12%
26.84K to 30.05K
31-May-07 1:17 PM
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AXT Inc. (AXTI) 30-May-07Grant 2,652----11%
24.18K to 26.84K
29-Aug-06 12:44 PM
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AXT Inc. (AXTI) 28-Aug-06Market Purchase 1,000$3.40$3,400.004%
23.18K to 24.18K
17%
29-Aug-06 12:44 PM
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AXT Inc. (AXTI) 23-Aug-06Market Purchase 550$3.15$1,732.502%
22.63K to 23.18K
26%
29-Aug-06 12:44 PM
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AXT Inc. (AXTI) 21-Aug-06Market Purchase 1,500$3.05$4,575.007%
21.13K to 22.63K
30%
22-Jun-06 8:42 PM
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Fedders Corp. (FJCC.PK) 20-Jun-06Grant 9,196$2.61$24,001.6020%
47.09K to 56.28K
(92%)
01-Mar-06 1:14 PM
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AXT Inc. (AXTI) 24-Feb-06Market Purchase 2,800$2.97$8,316.0021%
13.33K to 16.13K
34%
01-Sep-05 2:25 PM
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AXT Inc. (AXTI) 17-Aug-05Grant 5,000$1.17$5,850.0038%
13.33K to 18.33K
239%
01-Sep-05 2:20 PM
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AXT Inc. (AXTI) 09-Aug-05Grant 5,000$1.17$5,850.0060%
8.33K to 13.33K
239%
30-Jun-05 10:00 PM
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Fedders Corp. (FJCC.PK) 28-Jun-05Grant 10,910$2.20$24,002.0030%
36.18K to 47.09K
(91%)
22-Jun-04 5:24 PM
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Fedders Corp. (FJCC.PK) 22-Jun-04Grant 5,661$4.24$24,002.6019%
30.52K to 36.18K
(95%)