If I am correct and RS means reverse splits, then the answer is "those" companies have none, most are all recent IPO listings.
BUT MRKR since the Marker merge has none either.
I am a very long holder of TPIV and the past didn't pan out and we had put our new hopes in Marker, but to be honest, I think it would have been a lot better if Marker did not merge with TPIV and just did the roadshow and IPO route. The share price of that MRKR would have started MUCH higher than it was post merger, even without the TPIV assets.
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