Tegna (TGNA) with 5000 April $19 calls bought for $1.33 in a stock replacement, name that had M&A offers last year

JFrog (FROG) with 2,000 March $65 calls bought for $2.25 to $2.35, adjusting back some $70 calls with shares back near support

Humana (HUM) rising with 2,300 March $400 calls ought today for $3.80 to $4, forming a narrow base above the $375 level since late January

Nielsen (NLSN) buyer of 3,000 March $26 calls for $0.65 into earnings tomorrow morning, higher each of the last three