InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
1
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Porteous William D., Director. Director active across 1 company, notably BlackSky Technology Inc.. Cumulatively, 19 reports have been published. Breakdown: 0 buy · 1 sell. Total volume traded: €6k. History available since 21 December 2021. The latest transaction was disclosed on 31 March 2026 (Attribution). Regulator: SEC (Form 4). The full history is openly available.
Companies and markets linked to Porteous William D.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations19 total
805 sharesClass A Common StockSEC:0001753539-26-000089:0
894 shares0Class A Common StockSEC:0001865965-26-000006:0
1,200 shares0Class A Common StockSEC:0001865965-26-000002:0
1,500 shares0Class A Common StockSEC:0001753539-25-000114:0
1,116 shares0Class A Common StockSEC:0001865965-25-000007:0
8,625 shares0Class A Common StockSEC:0001865965-25-000005:0
1,093 shares0Class A Common StockSEC:0001865965-25-000003:0
2,910 shares0Class A Common StockSEC:0001753539-25-000038:0
2,085 shares0Class A Common StockSEC:0001753539-24-000175:0
570 shares@ US$10.65100.0% of flowClass A Common StockSEC:0001753539-24-000163:0
4,746 shares0Class A Common StockSEC:0001753539-24-000128:0
135,135 shares0Class A Common StockSEC:0001753539-24-000108:0
21,028 shares0Class A Common StockSEC:0001753539-24-000075:0
16,544 shares0Class A Common StockSEC:0001753539-24-000042:0
16,071 shares0Class A Common StockSEC:0001865965-24-000003:0
19,230 shares0Class A Common StockSEC:0001865965-23-000005:0
118,110 shares0Class A Common StockSEC:0001865965-23-000003:0
69,767 shares0Class A Common StockSEC:0001753539-22-000086:0
37,641 shares0Class A Common StockSEC:0001753539-21-000023:0
19 of 19 declarations
About Porteous William D.
Porteous William D. is a Director at BlackSky Technology Inc. He contributes to the governance of the company, which specializes in space technologies. As a director, he plays a key role in strategy and operational oversight, ensuring that BlackSky meets its innovation objectives.
