Past and Present tense together in one sentence

Are these sentences right given they have mixed past and present tense-

1.While asking broker to sell her shares immediately, it looks like it didn’t cross her mind even once that she was acting on an insider tip.



Should it be - While asking broker to sell her shares immediately, it looked like

it didn’t cross her mind even once that she was acting on an insider tip.



2.I believe she wasn’t even in any kind of dilemma to begin with since she acted really fast to sell.



Should I say - I believed she wasn’t even in any kind of dilemma to begin with since she acted really fast to sell.



3.What further complements my rationale is that she later joyfully remarked to her friend in plane that it was so nice to have brokers who could tell such things.



Is this correct - What further complemented my rationale was that she later joyfully remarked to her friend in plane that it was so nice to have brokers who could tell such things.



4.You would think that celebrities in their life come across many such situations demanding ethical actions and that they would act appropriately for they are seen as role models in the society they live in.



Not sure if this is the correction -

You would think that celebrities in their life come across many such situations demanding ethical actions and that they would act appropriately for they were seen as role models in the society they lived in.



Please advise.



Thanks