NORTHERN DYNASTY MINERALS LT

Ticker: NAK CUSIP: 66510M204 Class: Equities

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q2 2025

Shares 39,747 Value ($000) $0 Avg Close $1.12 Range $0.79 - $1.59

Q1 2025

Shares 229,879 Value ($000) $0 Avg Close $0.73 Range $0.55 - $1.29

Q4 2023

Shares 3,500 Value ($000) $0 Avg Close $0.33 Range $0.29 - $0.41

Q3 2023

Shares 54,000 Value ($000) $0 Avg Close $0.28 Range $0.23 - $0.43

Q2 2023

Shares 64,000 Value ($000) $0 Avg Close $0.23 Range $0.21 - $0.29

Q2 2022

Shares 11,500 Value ($000) $2 Avg Close $0.33 Range $0.25 - $0.46

Q1 2022

Shares 70,618 Value ($000) $29 Avg Close $0.35 Range $0.29 - $0.51

Q4 2021

Shares 191,087 Value ($000) $62 Avg Close $0.40 Range $0.32 - $0.54

Q3 2021

Shares 187,582 Value ($000) $94 Avg Close $0.44 Range $0.37 - $0.62

Q2 2021

Shares 185,982 Value ($000) $91 Avg Close $0.56 Range $0.47 - $0.70

Q1 2021

Shares 297,910 Value ($000) $0 Avg Close $0.65 Range $0.32 - $1.15

Q3 2020

Shares 328,728 Value ($000) $322 Avg Close $1.37 Range $0.58 - $2.49

Q2 2020

Shares 279,903 Value ($000) $400 Avg Close $0.93 Range $0.38 - $1.53

Q4 2019

Shares 62,035 Value ($000) $26 Avg Close $0.52 Range $0.38 - $0.66

Q3 2019

Shares 35,497 Value ($000) $20 Avg Close $0.64 Range $0.46 - $0.95

Q2 2019

Shares 27,597 Value ($000) $16 Avg Close $0.52 Range $0.41 - $0.66

Q1 2019

Shares 398 Value ($000) $0 Avg Close $0.78 Range $0.57 - $1.12

Q4 2018

Shares 4,800 Value ($000) $2 Avg Close $0.60 Range $0.43 - $0.84

Q3 2018

Shares 1,800 Value ($000) $1 Avg Close $0.54 Range $0.48 - $0.68

Q2 2018

Shares 10,347 Value ($000) $5 Avg Close $0.72 Range $0.43 - $1.00

Q1 2018

Shares 21,300 Value ($000) $19 Avg Close $1.20 Range $0.81 - $1.86

Q4 2017

Shares 15,547 Value ($000) $27 Avg Close $1.98 Range $1.63 - $2.34

Q2 2017

Shares 61,457 Value ($000) $85 Avg Close $1.60 Range $1.21 - $2.42

Q1 2017

Shares 94,965 Value ($000) $135 Avg Close $2.05 Range $1.06 - $3.45

Q4 2016

Shares 76,544 Value ($000) $158 Avg Close $1.16 Range $0.54 - $2.50

Q4 2014

Shares 1,100 Value ($000) $0 Avg Close $0.41 Range $0.32 - $0.59

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	39,747	$0	$1.12	$0.79 - $1.59
Q1 2025	229,879	$0	$0.73	$0.55 - $1.29
Q4 2023	3,500	$0	$0.33	$0.29 - $0.41
Q3 2023	54,000	$0	$0.28	$0.23 - $0.43
Q2 2023	64,000	$0	$0.23	$0.21 - $0.29
Q2 2022	11,500	$2	$0.33	$0.25 - $0.46
Q1 2022	70,618	$29	$0.35	$0.29 - $0.51
Q4 2021	191,087	$62	$0.40	$0.32 - $0.54
Q3 2021	187,582	$94	$0.44	$0.37 - $0.62
Q2 2021	185,982	$91	$0.56	$0.47 - $0.70
Q1 2021	297,910	$0	$0.65	$0.32 - $1.15
Q3 2020	328,728	$322	$1.37	$0.58 - $2.49
Q2 2020	279,903	$400	$0.93	$0.38 - $1.53
Q4 2019	62,035	$26	$0.52	$0.38 - $0.66
Q3 2019	35,497	$20	$0.64	$0.46 - $0.95
Q2 2019	27,597	$16	$0.52	$0.41 - $0.66
Q1 2019	398	$0	$0.78	$0.57 - $1.12
Q4 2018	4,800	$2	$0.60	$0.43 - $0.84
Q3 2018	1,800	$1	$0.54	$0.48 - $0.68
Q2 2018	10,347	$5	$0.72	$0.43 - $1.00
Q1 2018	21,300	$19	$1.20	$0.81 - $1.86
Q4 2017	15,547	$27	$1.98	$1.63 - $2.34
Q2 2017	61,457	$85	$1.60	$1.21 - $2.42
Q1 2017	94,965	$135	$2.05	$1.06 - $3.45
Q4 2016	76,544	$158	$1.16	$0.54 - $2.50
Q4 2014	1,100	$0	$0.41	$0.32 - $0.59