The assessment of the statement as 'likely_true' is based on the single, highly authoritative and relevant source that directly addresses the topic. The JD Supra source, a legal and business intelligence platform with high authority (0.90) and relevance (0.90), is described as containing content mentioning both 'since 2021' and 'Insider Trading'. This strongly suggests it contains analysis supporting the claim that insider selling has reached a peak since that time.Other sources provide contextual support but not direct evidence. The investor relations pages for ADM and Amicus Therapeutics, along with the stock analysis for Bally's, confirm that insider transactions are publicly reported via SEC Form 4 filings. These sources validate the type of data being discussed but lack the market-wide aggregate view necessary to confirm the claim on their own.Several sources were dismissed as irrelevant. The Weil report, while using similar phrasing ('highest levels since 2021'), discusses private equity deals, not corporate insider stock selling. The U.S. Census Bureau data pertains to international trade, and various SEC and IRS forms (S-1/A, N-4, 1120-S) are unrelated to ongoing insider transaction reporting. In summary, there is one strong piece of evidence supporting the statement and no evidence to contradict it. The conclusion rests on the high credibility of the JD Supra source, leading to a high-confidence assessment that the statement is likely true.