Assuming publicly-traded security owned for more than a year.

Yes, you should ensure it goes on Part I of the 8232. 30% of AGI limitation applies. There's no sale on the 1099-B, because your guy didn't sell anything. FMV is the average of the high and low on the donation date; don't assume the acknowledgement letter uses the correct value.

FYI - It goes with the $5,000 OR LESS donations, if it is publicly traded.

From the instructions for 8283:

Use Section A to report donations of property for which
you claimed a deduction of $5,000 or less per item or
group of similar items (defined later). Also use Section A
to report donations of publicly traded securities;