There is another level to this. Schwab has a "Securities Fully Paid Lending" program (or something like that) under which they lend out your shares and pay you for that. You can opt in or out at an account level, but not security by security. They email you when they borrow or return, and when the interest rate on the loaned shares changes.
If you want to sell you can at any time. Similarly, if I want to write a covered call in my IRA on a loaned stock, they will return it.
I have made a good bit of money loaning out securities this way, though off the top of my heard I don't recall if they ever borrowed LWLG. I think the that they did at one point.
Interest rates can be pretty juicy - I have notes that they were paying ME 54 % to borrow DTEA at one point (and, obviously charging the borrower more). More often the interest rate is in the 8-15% range.