DYADIC INTL INC DEL

Ticker: DYAI CUSIP: 26745T101 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q3 2025

Shares 1,500 Value ($000) $2 Avg Close $0.97 Range $0.71 - $1.30

Q1 2024

Shares 206 Value ($000) $0 Avg Close $1.47 Range $1.19 - $1.73

Q3 2021

Shares 9,610 Value ($000) $53 Avg Close $4.66 Range $3.15 - $6.89

Q1 2020

Shares 999 Value ($000) $5 Avg Close $5.28 Range $2.51 - $8.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,500	$2	$0.97	$0.71 - $1.30
Q1 2024	206	$0	$1.47	$1.19 - $1.73
Q3 2021	9,610	$53	$4.66	$3.15 - $6.89
Q1 2020	999	$5	$5.28	$2.51 - $8.00