Can’t speak for the others, but the first one, Alex Sisenstein, shows up as a Socialist from Virginia, at least the only one I found with that name (after discounting the very recent search results).
https://keywiki.org/Fredericksburg_Democratic_Socialists_of_America
They gave the others more generic names, so much tougher to search on.
DSA? That is the group that Nancy Pelosi belonged to.
11. Excellent research. We must put names and faces of our MARXIST enemies out for the public to see.
Know your enemy. The first rule of ideological warfare.
Nice catch.