Sulja Bros. Building Supplies, Ltd (SLJB)

[$PennyMover]

That used to be but most brokerages stopped letting you purchase them.
SLJB on the other hand has applied to have it removed, this is from ETrade

11/09/20 20:20PM ESTUpdate regarding Caveat Emptor securities

Effective November 21, 2020, E*TRADE customers will no longer be able to open positions in Caveat Emptor securities due to the risks associated with trading shares in these companies. Caveat Emptor securities currently held in accounts will be set to liquidation only, meaning you may close or continue to hold existing positions but no new or additional positions may be added. E*TRADE will also prohibit deposits and transfers in of Caveat Emptor securities as of the effective date.

What is a Caveat Emptor security?
Caveat Emptor is a designation that OTC Markets Group assigns to certain securities that present additional risks to investors as a result of trading suspensions or halts, undisclosed corporate actions, or investigations of fraud or other criminal activities, among other reasons.

Read more about the OTC Markets Group Caveat Emptor designation
View the current list of Caveat Emptor securities (check the Caveat Emptor box)
For more information regarding Caveat Emptor securities and the new trading restrictions beginning November 21, 2020, please click here.