“think, but Poster Ten Kay says: while you can BUY TSNPD shares electronically, you can't sell them electronically, but only by calling your broker (this I did NOT know).“
That is not what I said. You can buy them...and you can sell whatever you have bought of post split TSNPD from the market, but a number brokers still won’t let you sell legacy TSNP because they don’t have the new shares yet.