InsidersTradesSigma
Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (0 ops.)
Insider track record
Board DirectorDisclosed buys
0
Disclosed sells
0
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the full record of transactions filed by Porteous William, Director. Officer active across 1 company, notably Spire Global, Inc.. Aggregated, 21 filings have been recorded. History available since 9 November 2021. The latest transaction was disclosed on 1 July 2026 (Attribution). Regulator: SEC (Form 4). The full history is accessible without signup.
Companies and markets linked to Porteous William
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
1,516 shares@ US$18.380.0060% mcap8.4% of flowClass A Common StockSEC:0001193125-26-307892:0
1,896 shares@ US$13.3810.7% of flowClass A Common StockSEC:0001193125-26-142243:0
3,249 shares@ US$7.818.1% of flowClass A Common StockSEC:0001193125-26-002506:0
2,136 shares@ US$11.298.4% of flowClass A Common StockSEC:0001193125-25-228413:0
2,065 shares@ US$11.308.8% of flowClass A Common StockSEC:0000950170-25-093043:0
15,909 shares0Class A Common StockSEC:0000950170-25-083784:0
2,880 shares@ US$7.9411.6% of flowClass A Common StockSEC:0000950170-25-050477:0
1,578 shares@ US$14.4912.1% of flowClass A Common StockSEC:0000950170-25-002263:0
2,289 shares@ US$9.9911.3% of flowClass A Common StockSEC:0000950170-24-112357:0
2,216 shares@ US$10.3211.7% of flowClass A Common StockSEC:0000950170-24-081549:0
17,207 shares0Class A Common StockSEC:0000950170-24-070880:0
1,971 shares@ US$11.6011.7% of flowClass A Common StockSEC:0000950170-24-041244:0
2,955 shares@ US$7.7411.4% of flowClass A Common StockSEC:0000950170-24-002104:0
4,877 shares@ US$4.6912.0% of flowClass A Common StockSEC:0001209191-23-051993:0
24,461 shares@ US$0.55396.8% of flowClass A Common StockSEC:0001209191-23-041566:0
260,804 shares0Class A Common StockSEC:0001209191-23-037980:0
17,534 shares@ US$0.64165.7% of flowCommon StockSEC:0001209191-23-023275:0
10,227 shares@ US$1.105.7% of flowClass A Common StockSEC:0001209191-23-004659:0
11,252 shares0Common StockSEC:0001209191-23-001764:0
5,514 shares0Class A Common StockSEC:0000899243-22-030289:0
32,710 shares0Class A Common StockSEC:0001209191-21-064138:0
21 of 21 declarations
About Porteous William
Porteous William is Director at Spire Global, Inc. He has 21 filings in total, and the 21 sampled filings run from 2021-11-12 to 2026-07-17. The buy and sell volume shown in these recent filings is 0 EUR each, and the modal transaction nature is Attribution. Among the recent filings, the highest amounts shown are EUR 24489.46187924667 on 2026-07-17, EUR 22088.02944041125 on 2025-01-06, EUR 21887.1649192595 on 2026-04-03, EUR 21823.93975074308 on 2023-10-04, EUR 21594.62290390408 on 2026-01-05, and EUR 21299.154960496 on 2024-07-03.
