Just added a SBC chart to our site so you can evaluate the historical trends for any company and compare to free cash flow. Here are some examples using $PLTR:

SBC vs FCF (quarterly)

Comparison with competitors (quarterly):

SBC with SBC as a % of revenue (annual, TTM):

And finally just SBC with YoY growth labels:

Hope you guys find this useful! mainstreetdata.com/PLTR (premium account required for YoY growth and company comparisons)