InsidersTradesSigma
Total declarations
Companies
▲ Purchases (1 ops.)
▼ Sales (1 ops.)
Insider track record
Board DirectorDisclosed buys
1
Disclosed sells
1
T+90 hit rate
100%
T+90 mean return
+6.2%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the detailed record of transactions filed by Duster Benjamin, Director. Officer active across 5 companies, notably Alaska Communications Systems Group INC. Aggregated, 15 disclosures have been published. Split: 1 buy · 1 sell. Total volume traded: €1.1m. Activity tracked since 16 June 2021. The latest transaction was disclosed on 4 June 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations15 total
2,331 shares@ US$96.530.0009% mcap100.0% of flowCommon StockSEC:0001313071-26-000004:0
2,397 shares0Ordinary SharesSEC:0001603923-25-000036:0
2,234 shares@ US$89.5532.9% of flowCommon StockSEC:0000895126-24-000092:0
12,000 shares@ US$97.58100.0% of flowOrdinary SharesSEC:0001603923-24-000049:0
4,101 shares0Ordinary SharesSEC:0001603923-24-000026:0
2,527 shares@ US$79.1733.3% of flowCommon StockSEC:0000895126-23-000085:0
6,805 shares0Ordinary SharesSEC:0001603923-23-000046:0
100 shares@ US$3.00100.0% of flowCommon StockSEC:0001567619-22-021621:0
Ideal exit: 9 Sept 2023 (T+270)
2,172 shares@ US$92.10100.0% of flowCommon StockSEC:0000895126-22-000100:0
47,506 shares0Ordinary SharesSEC:0001603923-22-000019
47,506 shares0Ordinary SharesSEC:0001603923-22-000019:0
19,011 sharesCommon stock, par value $.01SEC:0001209191-21-048094
19,011 sharesCommon stock, par value $.01SEC:0001209191-21-048094:0
19,011 shares0Common Stock, par value $.01SEC:0001209191-21-041724
19,011 shares0Common Stock, par value $.01SEC:0001209191-21-041724:0
15 of 15 declarations
About Duster Benjamin
Benjamin Duster is a Board Member at Alaska Communications Systems Group Inc., Weatherford International plc, and Chesapeake Energy Corp. He brings expertise in governance and business strategy. His role involves overseeing the operations of the companies and ensuring they adhere to industry standards.
