ISHARES TR

Ticker: PFF CUSIP: 464288687 Class: PFD AND INCM SEC

YHB Investment Advisors, Inc.'s Holding History (CIK: 0001469219)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 18,626 Value ($000) $678 Avg Close — Range —

Q4 2021

Shares 47,026 Value ($000) $1,854 Avg Close — Range —

Q3 2021

Shares 37,866 Value ($000) $1,470 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	18,626	$678	—	—
Q4 2021	47,026	$1,854	—	—
Q3 2021	37,866	$1,470	—	—