Girls, How would you feel if a male colleague do this?

I’ve known this girl for 5-6 months through work. She mentioned she was planning to quit which she already has done. I was going to work with her but I think she officially left the job for something else. I didn’t get a chance to ask her for number or social media. I was cool with her. But I know some people say people you work with aren’t really your friends. But like I said, her and I chatted at work — civil and friendly.

I wanted to wish her well and ask her to keep in touch. Some guys at work know her social media so if I randomly DM her and say hey how’s it going, good luck with everything and if you want to drop a message feel free to. Is that ok? Or should I just forget it and leave it alone?

Girls, How would you feel if a male colleague do this?
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