Chang John B.

Number of records: 39
SEC FilingCompany/StockTrade DateTransactionSharesAvg. PriceTotal% HoldingsGain/Loss
13-Sep-24 4:45 PM
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Cogent Communications Group... (CCOI) 12-Sep-24Private Sale 1,400$71.67$100,338.00(2%)
73.88K to 72.48K
26-Aug-24 4:11 PM
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Cogent Communications Group... (CCOI) 23-Aug-24Private Sale 2,055$74.00$152,070.00(3%)
75.94K to 73.88K
01-Feb-24 5:17 PM
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Cogent Communications Group... (CCOI) 01-Feb-24Gift 375----< 1%
76.31K to 76.69K
01-Feb-24 5:17 PM
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Cogent Communications Group... (CCOI) 01-Feb-24Gift 375----(< 1%)
76.69K to 76.31K
05-Jan-24 12:14 PM
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Cogent Communications Group... (CCOI) 03-Jan-24Grant 39,600----101%
39.21K to 78.81K
28-Dec-23 9:37 AM
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Cogent Communications Group... (CCOI) 26-Dec-23Private Sale (Planned) 3,550$76.00$269,800.00(8%)
42.76K to 39.21K
22-Dec-23 4:26 PM
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Cogent Communications Group... (CCOI) 21-Dec-23Private Sale (Planned) 1,000$74.00$74,000.00(2%)
43.76K to 42.76K
20-Dec-23 4:03 PM
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Cogent Communications Group... (CCOI) 20-Dec-23Gift 900----2%
43.76K to 44.66K
20-Dec-23 4:03 PM
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Cogent Communications Group... (CCOI) 20-Dec-23Gift 900----(2%)
44.66K to 43.76K
15-Dec-23 10:23 AM
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Cogent Communications Group... (CCOI) 14-Dec-23Private Sale 500$72.00$36,000.00(1%)
44.26K to 43.76K
11-Dec-23 4:23 PM
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Cogent Communications Group... (CCOI) 11-Dec-23Disposition 3,000$69.00$207,000.00(6%)
47.26K to 44.26K
01-Dec-23 11:36 AM
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Cogent Communications Group... (CCOI) 01-Dec-23Grant 2,400----5%
44.86K to 47.26K
04-May-23 12:08 PM
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Cogent Communications Group... (CCOI) 03-May-23Private Sale (Planned) 5,000$73.00$365,000.00(11%)
47.36K to 42.36K
18-Apr-23 2:41 PM
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Cogent Communications Group... (CCOI) 17-Apr-23Private Sale (Planned) 500$70.00$35,000.00(1%)
47.86K to 47.36K
02-Feb-23 9:31 AM
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Cogent Communications Group... (CCOI) 01-Feb-23Private Sale (Planned) 2,000$70.00$140,000.00(4%)
49.86K to 47.86K
27-Jan-23 9:12 AM
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Cogent Communications Group... (CCOI) 26-Jan-23Private Sale (Planned) 500$68.00$34,000.00(< 1%)
50.36K to 49.86K
18-Jan-23 10:30 AM
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Cogent Communications Group... (CCOI) 17-Jan-23Private Sale (Planned) 1,000$66.00$66,000.00(2%)
51.36K to 50.36K
13-Jan-23 10:25 AM
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Cogent Communications Group... (CCOI) 12-Jan-23Market Sale (Planned) 1,500$64.00$96,000.00(3%)
52.86K to 51.36K
6%
04-Jan-23 2:08 PM
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Cogent Communications Group... (CCOI) 03-Jan-23Grant 9,600----22%
43.26K to 52.86K
01-Dec-22 10:06 AM
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Cogent Communications Group... (CCOI) 01-Dec-22Grant 2,400----6%
40.86K to 43.26K
07-Apr-22 9:58 AM
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Cogent Communications Group... (CCOI) 06-Apr-22Sale (Planned) 250$72.00$18,000.00(< 1%)
41.11K to 40.86K
07-Apr-22 9:58 AM
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Cogent Communications Group... (CCOI) 05-Apr-22Private Sale (Planned) 250$70.00$17,500.00(< 1%)
41.36K to 41.11K
04-Apr-22 10:22 AM
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Cogent Communications Group... (CCOI) 01-Apr-22Private Sale (Planned) 150$68.00$10,200.00(< 1%)
41.51K to 41.36K
01-Apr-22 10:26 AM
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Cogent Communications Group... (CCOI) 31-Mar-22Private Sale (Planned) 150$66.00$9,900.00(< 1%)
41.66K to 41.51K
18-Mar-22 2:01 PM
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Cogent Communications Group... (CCOI) 17-Mar-22Market Sale (Planned) 600$62.96$37,776.00(1%)
42.26K to 41.66K
5%
05-Jan-22 4:18 PM
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Cogent Communications Group... (CCOI) 03-Jan-22Grant 9,600----29%
32.66K to 42.26K
11-May-21 9:45 AM
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Cogent Communications Group... (CCOI) 10-May-21Private Sale (Planned) 558$80.00$44,640.00(2%)
33.22K to 32.66K
03-May-21 9:29 AM
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Cogent Communications Group... (CCOI) 30-Apr-21Private Sale (Planned) 558$75.00$41,850.00(2%)
33.78K to 33.22K
06-Apr-21 11:13 AM
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Cogent Communications Group... (CCOI) 05-Apr-21Private Sale (Planned) 558$70.00$39,060.00(2%)
34.33K to 33.78K
16-Mar-21 9:23 AM
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Cogent Communications Group... (CCOI) 15-Mar-21Private Sale (Planned) 558$65.00$36,270.00(2%)
34.89K to 34.33K
25-Feb-21 5:23 PM
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Cogent Communications Group... (CCOI) 24-Feb-21Grant 9,600----38%
25.29K to 34.89K
05-Jan-21 1:19 PM
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Cogent Communications Group... (CCOI) 04-Jan-21Market Sale (Planned) 558$60.00$33,480.00(2%)
25.85K to 25.29K
< 1%
01-Sep-20 8:39 PM
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Cogent Communications Group... (CCOI) 01-Sep-20Private Sale 150$67.53$10,129.10(< 1%)
26.0K to 25.85K
31-Jul-20 4:52 PM
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Cogent Communications Group... (CCOI) 31-Jul-20Private Sale 500$90.00$45,000.00(2%)
26.5K to 26.0K
22-Jul-20 11:42 AM
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Cogent Communications Group... (CCOI) 21-Jul-20Private Sale 500$85.00$42,500.00(2%)
27.0K to 26.5K
04-Mar-20 4:14 PM
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Cogent Communications Group... (CCOI) 03-Mar-20Private Sale 600$81.39$48,834.60(2%)
27.6K to 27.0K
03-Mar-20 11:38 AM
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Cogent Communications Group... (CCOI) 02-Mar-20Private Sale 300$76.66$22,997.50(1%)
27.9K to 27.6K
18-Feb-20 3:13 PM
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Cogent Communications Group... (CCOI) 14-Feb-20Grant 9,600----52%
18.3K to 27.9K
03-Jan-20 8:41 AM
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Cogent Communications Group... (CCOI) 02-Jan-20Private Sale 534$65.46$34,957.40(3%)
18.83K to 18.3K