Canada Metals & Mining

Northern Dynasty Minerals Ltd (NDM)

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Northern Dynasty Minerals Ltd has seen significant insider selling over the past 90 days, with five transactions totaling approximately $1.43 million in net sales. Key executives and major shareholders have offloaded shares following the company's recent results financiers. The stock has experienced a 30.5% decline over the last quarter amid this selling activity.
Ticker: NDM Exchange: TOR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Northern Dynasty Minerals Ltd. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
117.08
Quantity 28,112 -35.9%
Value US$2,521,503
3.3
Thomas, Trevor Senior Officer of Issuer Officer
Transaction date
Sale
Price
383.92
Quantity 1,050 +34.2%
Value CA$2,105,336
3.1
Chodos, Adam Jonathan Senior Officer of Issuer Officer
Transaction date
Sale
Price
453.63
Quantity 776 +21.0%
Value CA$2,972,730
3.2
Westerlund, Michael J. Senior Officer of Issuer Officer
Transaction date
Sale
Price
3.05
Quantity 101,000 -50.2%
Value CA$308,050
3.3
Thomas, Trevor Senior Officer of Issuer Officer
Transaction date
Sale
Price
3.10
Quantity 100,000 -36.8%
Value CA$310,000
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
2.15
Quantity 400,000 -11.6%
Value US$859,840
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Purchase
Price
1.29
Quantity 33,400 +0.1%
Value US$43,086
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Purchase
Price
1.27
Quantity 14,927 +0.0%
Value US$18,957
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Purchase
Price
1.27
Quantity 2,311,722 +6.7%
Value US$2,928,952
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Purchase
Price
1.26
Quantity 380,773 +1.1%
Value US$480,954
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Purchase
Price
1.22
Quantity 1,347,632 +4.1%
Value US$1,647,076
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
2.53
Quantity 250,000 -6.7%
Value US$632,500
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
2.50
Quantity 134,523 -0.4%
Value US$335,810
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
2.54
Quantity 55,624 -0.2%
Value US$141,307
2.8
Dickinson, Robert Allan 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Sale
Price
3.03
Quantity 200,000 -11.9%
Value CA$606,440
2.8
Dickinson, Robert Allan 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Sale
Price
2.93
Quantity 200,000 -10.7%
Value CA$585,480
2.8
Dickinson, Robert Allan 10% Security Holder of Issuer, Director of Issuer Non-Executive Director Large shareholder
Transaction date
Sale
Price
2.91
Quantity 250,000 -11.8%
Value CA$727,725
3.3
Pickering, Kenneth William Director of Issuer Non-Executive Director
Transaction date
Sale
Price
3.09
Quantity 120,000 -35.7%
Value CA$370,200
3.3
BALAKRISHNAN, Desmond Director of Issuer Non-Executive Director
Transaction date
Sale
Price
3.00
Quantity 120,000 -93.8%
Value CA$360,000
3.7
Kopernik Global Investors, LLC 10% Security Holder of Issuer Large shareholder
Transaction date
Sale
Price
2.05
Quantity 77,098 -2.0%
Value US$158,051
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-06-18 2026-06-16 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
28,112 -35.9%
117.08
US$2,521,503 		28,112 -35.9% 117.08 US$2,521,503
2026-06-05 2026-06-02 S Sale
3.3
Thomas, Trevor

Senior Officer of Issuer

Officer
1,050 +34.2%
383.92
CA$2,105,336 		1,050 +34.2% 383.92 CA$2,105,336
2026-05-20 2026-05-14 S Sale
3.1
Chodos, Adam Jonathan

Senior Officer of Issuer

Officer
776 +21.0%
453.63
CA$2,972,730 		776 +21.0% 453.63 CA$2,972,730
2026-05-16 2026-05-13 S Sale
3.2
Westerlund, Michael J.

Senior Officer of Issuer

Officer
101,000 -50.2%
3.05
CA$308,050 		101,000 -50.2% 3.05 CA$308,050
2026-05-15 2026-05-13 S Sale
3.3
Thomas, Trevor

Senior Officer of Issuer

Officer
100,000 -36.8%
3.10
CA$310,000 		100,000 -36.8% 3.10 CA$310,000
2026-04-23 2026-04-20 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
400,000 -11.6%
2.15
US$859,840 		400,000 -11.6% 2.15 US$859,840
2026-03-17 2026-03-12 B Purchase
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
33,400 +0.1%
1.29
US$43,086 		33,400 +0.1% 1.29 US$43,086
2026-02-26 2026-02-23 B Purchase
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
14,927 +0.0%
1.27
US$18,957 		14,927 +0.0% 1.27 US$18,957
2026-02-23 2026-02-20 B Purchase
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
2,311,722 +6.7%
1.27
US$2,928,952 		2,311,722 +6.7% 1.27 US$2,928,952
2026-02-23 2026-02-18 B Purchase
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
380,773 +1.1%
1.26
US$480,954 		380,773 +1.1% 1.26 US$480,954
2026-02-23 2026-02-18 B Purchase
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
1,347,632 +4.1%
1.22
US$1,647,076 		1,347,632 +4.1% 1.22 US$1,647,076
2026-01-29 2026-01-28 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
250,000 -6.7%
2.53
US$632,500 		250,000 -6.7% 2.53 US$632,500
2026-01-29 2026-01-27 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
134,523 -0.4%
2.50
US$335,810 		134,523 -0.4% 2.50 US$335,810
2026-01-29 2026-01-26 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
55,624 -0.2%
2.54
US$141,307 		55,624 -0.2% 2.54 US$141,307
2026-01-12 2026-01-12 S Sale
2.8
Dickinson, Robert Allan

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
200,000 -11.9%
3.03
CA$606,440 		200,000 -11.9% 3.03 CA$606,440
2026-01-12 2026-01-09 S Sale
2.8
Dickinson, Robert Allan

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
200,000 -10.7%
2.93
CA$585,480 		200,000 -10.7% 2.93 CA$585,480
2026-01-12 2026-01-09 S Sale
2.8
Dickinson, Robert Allan

10% Security Holder of Issuer, Director of Issuer

Non-Executive Director Large shareholder
250,000 -11.8%
2.91
CA$727,725 		250,000 -11.8% 2.91 CA$727,725
2026-01-12 2026-01-08 S Sale
3.3
Pickering, Kenneth William

Director of Issuer

Non-Executive Director
120,000 -35.7%
3.09
CA$370,200 		120,000 -35.7% 3.09 CA$370,200
2026-01-09 2026-01-08 S Sale
3.3
BALAKRISHNAN, Desmond

Director of Issuer

Non-Executive Director
120,000 -93.8%
3.00
CA$360,000 		120,000 -93.8% 3.00 CA$360,000
2025-12-31 2025-12-30 S Sale
3.7
Kopernik Global Investors, LLC

10% Security Holder of Issuer

Large shareholder
77,098 -2.0%
2.05
US$158,051 		77,098 -2.0% 2.05 US$158,051
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