PORTILLOS INC

Ticker: PTLO CUSIP: 73642K106 Class: Common Stock

Atom Investors LP's Holding History (CIK: 0001738902)

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

Q4 2025

Shares 25,321 Value ($000) $115 Avg Close $5.22 Range $4.50 - $6.83

Q2 2025

Shares 21,499 Value ($000) $251 Avg Close $11.54 Range $9.70 - $13.55

Q1 2025

Shares 12,210 Value ($000) $145 Avg Close $13.01 Range $9.06 - $15.78

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	25,321	$115	$5.22	$4.50 - $6.83
Q2 2025	21,499	$251	$11.54	$9.70 - $13.55
Q1 2025	12,210	$145	$13.01	$9.06 - $15.78