She (through her investment advisor) sold 0.6% of her portfolio. So the case against her is much weaker, if any at all.

If you were insider trading on highly sensitive information, would you sell just 0.6%?

She isn't the chair of the Intelligence Committee who was about to release a fourth report affirming the findings of the Mueller report but can now be replaced by Mitch McConnell with a Trump loyalist.

100% this. Loeffler is team Trump. According to https://projects.fivethirtyeight.com/congress-trump-score/ she is the only sitting senator that 100% voted in line with Trump's positions

FWIW, while your assertion is still true, it's most likely due primarily to the fact that she only assumed office in January.

It's not that. She didn't sell enough of her portfolio to even show up on the radar. Burr sold a very significant portion of his.