Ronald Vincent Alterio, VP-Engineering, CTO at BLONDER TONGUE LABORATORIES INC (BDR), bought 5,000 shares at $0.96 ($5K) on 2019-05-28, disclosed to the SEC on 2019-05-31.
Open-market purchase of $5k BDR by VP-Engineering, CTO. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history). Context: insider career grade D.
Something here stands out, but not much.