PFE’s $31B debt offering has eight tranches with almost-flat interest rates for the 2-year through 10-year tranches: https://www.businesswire.com/news/home/20230516005960/en/ • $3B of 2-yr notes @4.65% • $3B of 3-yr notes @4.45% • $4B of 5-yr notes @4.45% • $3B of 7-yr notes @4.65% • $5B of 10-yr notes @4.75% • $3B of 20-yr notes @5.11% • $6B of 30-yr notes @5.30% • $4B of 40-yr(!) notes @5.34%