Wittenberg Investment Management’s Merrimack Pharmaceuticals, Inc. MACK Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2024 Q2	–	Sell	-210,239	Closed	-$3.11M	–	85
2024 Q1	$3.11M	Hold	210,239	–	–	1.06%	20
2023 Q4	$2.82M	Buy	210,239 +500	+0.2%	+$6.71K	0.98%	24
2023 Q3	$2.59M	Buy	209,739 +4,745	+2%	+$58.5K	0.95%	23
2023 Q2	$2.52M	Buy	204,994 +7,000	+4%	+$86.1K	0.91%	27
2023 Q1	$2.43M	Buy	197,994 +6,800	+4%	+$83.6K	0.91%	26
2022 Q4	$2.19M	Buy	191,194 +2,500	+1%	+$28.7K	0.89%	26
2022 Q3	$708K	Hold	188,694	–	–	0.3%	50
2022 Q2	$1.12M	Hold	188,694	–	–	0.47%	43
2022 Q1	$1.19M	Hold	188,694	–	–	0.45%	35
2021 Q4	$738K	Hold	188,694	–	–	0.27%	46
2021 Q3	$911K	Sell	188,694 -600	-0.3%	-$2.9K	0.35%	37
2021 Q2	$1.21M	Buy	189,294 +3,096	+2%	+$19.8K	0.49%	31
2021 Q1	$1.17M	Hold	186,198	–	–	0.54%	30
2020 Q4	$1.28M	Hold	186,198	–	–	0.63%	28
2020 Q3	$620K	Hold	186,198	–	–	0.33%	35
2020 Q2	$620K	Hold	186,198	–	–	0.35%	38
2020 Q1	$400K	Hold	186,198	–	–	0.22%	45
2019 Q4	$587K	Buy	186,198 +1,080	+0.6%	+$3.41K	0.23%	50
2019 Q3	$831K	Sell	185,118 -6,611	-3%	-$29.7K	0.36%	43
2019 Q2	$1.16M	Sell	191,729 -24,389	-11%	-$148K	0.5%	38
2019 Q1	$1.5M	Sell	216,118 -6,349	-3%	-$44.1K	0.64%	36
2018 Q4	$859K	Sell	222,467 -32,285	-13%	-$125K	0.4%	40
2018 Q3	$1.36M	Buy	254,752 +1,000	+0.4%	+$5.33K	0.56%	36
2018 Q2	$1.25M	Buy	253,752 +130,441	+106%	+$641K	0.53%	36
2018 Q1	$993K	Buy	123,311 +39,500	+47%	+$318K	0.43%	39
2017 Q4	$859K	Buy	83,811 +18,793	+29%	+$193K	0.37%	39
2017 Q3	$945K	Buy	+65,018	New	+$945K	0.41%	39