I peeked at the profile of several other pinks (that Olde Monmouth is the TA for, and some that aren't) and the updated dates are all over the place -- I don't think it's a given that AS/OS get updated at the beginning of every month.
Now, when there's a material change, I would imagine there's a reporting requirement... but this is the sheets, after all.
Also, I've been lurking here a loooong time, first post. Hi. We going to Colombia or what?