Martin Pugh, See Remarks at Trinseo S.A. (TSE), bought 6,000 shares at $18.68 ($112K) on 2015-03-13, disclosed to the SEC on 2015-03-17.
Open-market purchase of $112k TSE by See Remarks. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.