Worth a closer look
- Open-market purchase with their own money (Form 4 code P), not a grant or option exercise.
- Similar past buys beat the S&P 500 48% of the time (583 cases), above the 46% for all buys.
Reasons for caution
- Other insiders sold $9.0M in the same 90 days, more than was bought.
- Small next to what they already own (holding up 1.4%).
- Their past buys: only 6 of 13 beat the S&P 500.
What happened after this filing
Insider Twins: past buys with the same traits
1 insider buying · no CEO or CFO · $250K–$1M · stock down 0–20% in 3 months
AGL Mar 3, 2026 +541.0% vs S&PFUBO Sep 28, 2020 +370.9% vs S&PMRNA Feb 18, 2020 +334.9% vs S&PASPU Oct 4, 2021 -70.5% vs S&PEOLS Aug 31, 2021 -52.3% vs S&PMDIA Feb 11, 2022 -49.9% vs S&PWhat we couldn't check
- Why they traded. Filings don't say, and we don't guess.
- Company news after the filing, and any private terms.
Thomas L. Carter Jr. (an officer) bought $686K of BSM at about $13.73 on Nov 9, 2026, reported to the SEC on Nov 10, 2026. Buys like this beat the S&P 500 48% of the time since 2020, against 46% for all insider buys. We found 2 points that make it worth a closer look and 3 reasons for caution. History, not a prediction.
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Written by fixed rules from SEC filings and our measured history, not by an AI model. Public data only. History, not a prediction, and not investment advice.