*Notional-weighted price return on lawmakers' disclosed buys of OLN, marked to the latest close — per-share (share counts aren't disclosed).
| Date | Member | Type | Amount | Est. price | Latest close | Return |
|---|---|---|---|---|---|---|
| 2014-11-17 | Benjamin L Cardin | SELL | $1K–$15K | $25.29 | $21.73 2026-06-26 | +14.1% exit |
| 2012-12-17 | BENJAMIN L CARDIN | BUY | $1K–$15K | $21.54 | $21.73 2026-06-26 | +0.9% |
Return: buys marked to the latest close (open); sells tagged rt are realized round-trips vs a prior disclosed buy; exit = timing (stock move after the sale, seller's perspective).