InsidersTradesSigma
申报总数
公司
▲ 买入（0 笔）
▼ 卖出（18 笔）
内部人交易记录
高级管理人员已披露买入
0
已披露卖出
18
尚无足够的、已确定 T+90 期限的买入信号来衡量交易记录。
信号历史
Discover the full record of transactions filed by Chang John B., Directeur Juridique. Officer active across 1 company, notably Cogent Communications Holdings, INC.. In total, 38 disclosures have been logged. Breakdown: 0 buy · 18 sells. Total volume traded: €1.4m. Activity tracked since 30 April 2021. The latest transaction was filed on 31 December 2025 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Chang John B.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
申报38 总计
9,600 股0common stockSEC:0001775672-26-000003:0
2,400 股0common stockSEC:0001775672-25-000005:0
398 股0common stockSEC:0001415889-25-015394:0
756 股0common stockSEC:0001415889-25-013104:0
357 股0common stockSEC:0001415889-25-010577:0
357 股0common stockSEC:0001415889-25-007754:0
715 股0common stockSEC:0001415889-25-007317:0
9,600 股0common stockSEC:0001415889-25-001376:0
970 股0common stockSEC:0001415889-24-029871:0
900 股0common stockSEC:0001415889-24-028467:0
2,400 股0common stockSEC:0001415889-24-028065:0
2,280 股@ US$80.406810.4% 占其流量common stockSEC:0001415889-24-026600:0
1,400 股@ US$71.675.5% 占其流量common stockSEC:0001415889-24-023378:0
2,055 股@ US$74.008.3% 占其流量common stockSEC:0001415889-24-022218:0
375 股0common stockSEC:0001415889-24-002199:0
9,600 股0common stockSEC:0001415889-24-001956:0
9,600 股0common stockSEC:0001415889-24-000743:0
3,550 股@ US$76.0014.8% 占其流量common stockSEC:0001415889-23-016976:0
1,000 股@ US$74.004.1% 占其流量common stockSEC:0001415889-23-016899:0
900 股0common stockSEC:0001415889-23-016783:0
500 股@ US$72.002.0% 占其流量common stockSEC:0001415889-23-016507:0
3,000 股@ US$69.0011.6% 占其流量common stockSEC:0001415889-23-016184:0
2,400 股0common stockSEC:0001415889-23-015680:0
2,500 股@ US$72.009.8% 占其流量common stockSEC:0001415889-23-007274:0
500 股@ US$70.001.9% 占其流量common stockSEC:0001415889-23-006584:0
38 条申报中的 25 条
About Chang John B.
Chang John B. is Directeur Juridique at Cogent Communications Holdings, INC., where he is also VP & CHIEF LEGAL OFFICER. He has filed 38 forms in total, and across the sampled recent filings covering the period from 2021-05-03 to 2026-01-05, the transactions are sales for a total of EUR 1581589.
