William D. Armstrong

William D. Armstrong appears in our data through filings on Tourmaline Oil Corp. shares, published by SEDI. Altogether 3 filings, all relating to 2 June 2026.

No open-market purchase or sale appears among the filings, only grants, plan transactions and other operations. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.

On 3 June 2026 came the latest disclosure, an option exercise for €441k in Tourmaline Oil Corp. Typically, a trade is published a median of 1 day after it takes place. That lag is the time during which only the insider knows about the trade. Source: insider filings from SEDI. Past trades are no guide to future returns.