STEPAN CO

Ticker: SCL CUSIP: 858586100 Class: Common Stock

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q4 2025

Shares 28,715 Value ($000) $1,360 Avg Close $45.80 Range $41.82 - $50.09

Q3 2025

Shares 14,098 Value ($000) $672 Avg Close $51.88 Range $46.40 - $60.85

Q2 2025

Shares 10,486 Value ($000) $572 Avg Close $52.81 Range $44.23 - $58.24

Q1 2016

Shares 7,409 Value ($000) $410 Avg Close $48.10 Range $41.42 - $56.50

Q1 2015

Shares 18,764 Value ($000) $782 Avg Close $39.81 Range $37.20 - $41.80

Q4 2014

Shares 10,510 Value ($000) $421 Avg Close $42.47 Range $36.34 - $46.85

Q3 2014

Shares 6,100 Value ($000) $271 Avg Close $48.97 Range $44.22 - $54.14

Q2 2014

Shares 7,500 Value ($000) $396 Avg Close $56.15 Range $50.98 - $66.51

Q3 2013

Shares 8,460 Value ($000) $488 Avg Close $57.91 Range $55.51 - $60.31

Q2 2013

Shares 45,662 Value ($000) $2,539 Avg Close $56.48 Range $52.34 - $63.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	28,715	$1,360	$45.80	$41.82 - $50.09
Q3 2025	14,098	$672	$51.88	$46.40 - $60.85
Q2 2025	10,486	$572	$52.81	$44.23 - $58.24
Q1 2016	7,409	$410	$48.10	$41.42 - $56.50
Q1 2015	18,764	$782	$39.81	$37.20 - $41.80
Q4 2014	10,510	$421	$42.47	$36.34 - $46.85
Q3 2014	6,100	$271	$48.97	$44.22 - $54.14
Q2 2014	7,500	$396	$56.15	$50.98 - $66.51
Q3 2013	8,460	$488	$57.91	$55.51 - $60.31
Q2 2013	45,662	$2,539	$56.48	$52.34 - $63.27