Mattern Capital Management’s iShares 1-5 Year Investment Grade Corporate Bond ETF IGSB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-28,945	Closed	-$1.53M	–	176
2025 Q4	$1.53M	Buy	28,945 +2,414	+9%	+$128K	0.18%	97
2025 Q3	$1.41M	Buy	26,531 +10,490	+65%	+$554K	0.17%	102
2025 Q2	$846K	Buy	16,041 +6,514	+68%	+$340K	0.1%	119
2025 Q1	$499K	Buy	+9,527	New	+$495K	0.06%	134
2024 Q1	–	Sell	-4,057	Closed	-$208K	–	162
2023 Q4	$208K	Sell	4,057 -933	-19%	-$46.9K	0.03%	135
2023 Q3	$249K	Sell	4,990 -2,963	-37%	-$148K	0.04%	126
2023 Q2	$399K	Sell	7,953 -249	-3%	-$12.5K	0.06%	113
2023 Q1	$415K	Sell	8,202 -22	-0.3%	-$1.1K	0.07%	102
2022 Q4	$410K	Sell	8,224 -418	-5%	-$20.7K	0.08%	103
2022 Q3	$426K	Sell	8,642 -787	-8%	-$39.7K	0.09%	100
2022 Q2	$477K	Sell	9,429 -70	-0.7%	-$3.56K	0.09%	96
2022 Q1	$491K	Sell	9,499 -4,293	-31%	-$226K	0.09%	96
2021 Q4	$743K	Sell	13,792 -778	-5%	-$42.1K	0.13%	92
2021 Q3	$796K	Hold	14,570	–	–	0.16%	91
2021 Q2	$799K	Sell	14,570 -16,770	-54%	-$919K	0.16%	92
2021 Q1	$1.71M	Sell	31,340 -6,955	-18%	-$382K	0.37%	85
2020 Q4	$2.11M	Sell	38,295 -7,817	-17%	-$430K	0.5%	80
2020 Q3	$2.53M	Buy	46,112 +37,189	+417%	+$2.04M	0.66%	79
2020 Q2	$488K	Buy	+8,923	New	+$481K	0.14%	85