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Re:Insider trade on Splunk acquisition for 45,650% return by bluehorizon2 on Thursday September 21, 2023 @02:53PM (#37602258)
No this is not correct. If someone spreads a rumor and you don’t know that the information is from an authoritative source it’s not MNPI. It’s speculation.

If someone anonymously posts on Twitter that Splunk is going to get acquired by Cisco and you immediately buy options, and you don’t know who this Twitter account is, then it’s speculation. Also it’s no longer non-public information if someone posts it on Twitter.

Re:Insider trade on Splunk acquisition for 45,650% return by ikiris on Thursday September 21, 2023 @03:02PM (#37602409)
"if someone posts it on Twitter."

Yes, if you trade on public information, then it's not material non public information.