https://fee.org/articles/a-years-worth-of-suicide-attempts-i...
And on the east coast in GA, the same,
https://www.nationalreview.com/corner/lockdown-suicides-on-t...
These articles are during the low point stated in the OP article.
As a simple example the FEE article is nothing but random anecdotes, while the NR article does not have supporting data for the headline claim but tries to play a similar game by suggesting that opioid overdose deaths should be categorized as either suicides or suicide attempts. Articles attempting to manufacture a suicide problem related to the lockdown also tend to mix in 'suicide ideation' with suicide attempts, usually while ignoring the fact that surveys of such ideation have almost no depth to them and seem to be a recent invention to try to answer the undeniable fact that actual suicides have decreased.
Known to who? Do you have a list of approved sources we are allowed to use and are not sharing?
I'm most familiar with the English data and SA gets a fair amount wrong. In England the message is very much "no rise yet, but we need to be cautious about the future".