NDM · Northern Dynasty Minerals Ltd · Insider Trading
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Transactions in Northern Dynasty Minerals Ltd securities by its insiders (directors, officers and significant shareholders) as filed on SEDI, the Canadian Securities Administrators' insider disclosure system.
Insider transactions
Insider transactions as filed on SEDI, each amended transaction at its newest amendment only. Capture began with about the year before its first read and grows daily, so older history is not included. Amounts are signed (negative for a disposition) and counted in the units of the security named, which may be options, share units or warrants rather than shares. Prices are in the stated currency. Holding after is the insider's balance of that security after the transaction, as filed.
| Transaction date | Insider | Transaction | Security | Amount | Price | Holding after | Filed |
|---|---|---|---|---|---|---|---|
| 2026-11-06 | Thiessen, Ronald William Director of Issuer | Acquisition or disposition in the public market | Common Shares | +100,000 | 0.8729 CAD | 5,286,291Direct | 2026-11-06 |
| 2026-11-06 | BALAKRISHNAN, Desmond Director of Issuer · Held by Desmond Balakrishnan Law Corporation | Acquisition or disposition in the public market | Common Shares | +50,000 | 235,062Indirect | 2026-11-06 | |
| 2026-11-02 | BALAKRISHNAN, Desmond Director of Issuer · Held by Desmond Balakrishnan Law Corporation | Acquisition or disposition in the public market | Common Shares | +100,000 | 185,062Indirect | 2026-11-02 | |
| 2026-10-21 | BALAKRISHNAN, Desmond Director of Issuer | Acquisition or disposition in the public market | Common Shares | +10,000 | 17,900Direct | 2026-10-22 | |
| 2026-10-14 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Change in the nature of ownership | Common Shares | +2,703,636 | 46,155,872Combo | 2026-10-15 | |
| 2026-09-25 | Chodos, Adam Jonathan Senior Officer of Issuer | Acquisition or disposition in the public market | Common Shares | -45,000 | 1.96 CAD | 43,000Direct | 2026-09-29 |
| 2026-09-25 | Chodos, Adam Jonathan Senior Officer of Issuer | Exercise of options | Common Shares | +45,000 | 0.41 CAD | 88,000Direct | 2026-09-29 |
| 2026-09-25 | Chodos, Adam Jonathan Senior Officer of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -45,000 | 0.41 CAD | 150,000Direct | 2026-09-29 |
| 2026-09-11 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -195,792 | 1.4234 USD | 43,452,236Combo | 2026-09-11 |
| 2026-08-31 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +121,515 | 1.678 USD | 43,648,028Combo | 2026-09-02 |
| 2026-07-13 | Pickering, Kenneth William Director of Issuer | Grant of rights | Rights Deferred Share UnitUnderlying: Rights | +5,248 | 97,425Direct | 2026-07-17 | |
| 2026-03-31 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -538,647 | 1.3495 USD | 44,003,967Combo | 2026-04-02 |
| 2026-03-20 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +1,166,845 | 1.2286 USD | 44,542,614Combo | 2026-03-20 |
| 2026-03-19 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +3,301,941 | 1.2334 USD | 43,375,769Combo | 2026-03-20 |
| 2026-03-18 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +83,719 | 1.2593 USD | 40,073,828Combo | 2026-03-20 |
| 2026-03-18 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +1,559,732 | 1.2742 USD | 39,990,109Combo | 2026-03-20 |
| 2026-03-17 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +179,004 | 1.29 USD | 38,430,377Combo | 2026-03-20 |
| 2026-03-09 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +387,075 | 1.2732 USD | 38,217,973Combo | 2026-03-10 |
| 2026-03-06 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +430,101 | 1.2927 USD | 37,830,898Combo | 2026-03-10 |
| 2026-03-05 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +614,139 | 1.2984 USD | 37,400,797Combo | 2026-03-10 |
| 2026-02-23 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +14,927 | 1.27 USD | 36,786,658Combo | 2026-02-26 |
| 2026-02-20 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +2,311,722 | 1.267 USD | 36,771,731Combo | 2026-02-23 |
| 2026-02-18 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +380,773 | 1.2631 USD | 34,460,009Combo | 2026-02-23 |
| 2026-02-18 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | +1,347,632 | 1.2222 USD | 34,079,236Combo | 2026-02-23 |
| 2026-01-28 | Kopernik Global Investors, LLC 10% Security Holder of Issuer | Acquisition or disposition in the public market | Common Shares | -250,000 | 2.53 USD | 3,458,946Direct | 2026-01-29 |
| 2026-01-27 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -134,523 | 2.4963 USD | 32,731,604Combo | 2026-01-29 |
| 2026-01-27 | BALAKRISHNAN, Desmond Director of Issuer | Expiration of options | OptionsUnderlying: Common Shares | -120,000 | 200,000Direct | 2026-01-27 | |
| 2026-01-27 | BALAKRISHNAN, Desmond Director of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -120,000 | Direct | 2026-01-27 | |
| 2026-01-27 | BALAKRISHNAN, Desmond Director of Issuer | Expiration of options | OptionsUnderlying: Common Shares | -100,000 | 320,000Direct | 2026-01-27 | |
| 2026-01-26 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -55,624 | 2.5404 USD | 32,866,127Combo | 2026-01-29 |
| 2026-01-12 | Dickinson, Robert Allan 10% Security Holder of Issuer | Acquisition or disposition in the public market | Common Shares | -200,000 | 3.0322 CAD | 1,476,807Direct | 2026-01-12 |
| 2026-01-09 | Dickinson, Robert Allan 10% Security Holder of Issuer | Acquisition or disposition in the public market | Common Shares | -200,000 | 2.9274 CAD | 1,676,807Direct | 2026-01-12 |
| 2026-01-09 | Dickinson, Robert Allan 10% Security Holder of Issuer | Acquisition or disposition in the public market | Common Shares | -250,000 | 2.9109 CAD | 1,876,807Direct | 2026-01-12 |
| 2026-01-09 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -14,474 | 2.25 USD | 32,921,751Combo | 2026-01-09 |
| 2026-01-08 | Thiessen, Ronald William Director of Issuer | Acquisition or disposition in the public market | Common Shares | -25,000 | 8.138 CAD | Direct | 2026-01-12 |
| 2026-01-08 | Thiessen, Ronald William Director of Issuer | Exercise of options | Common Shares | +25,000 | 1.58 CAD | Direct | 2026-01-12 |
| 2026-01-08 | Thiessen, Ronald William Director of Issuer | Exercise of optionsAmendment 1 | OptionsUnderlying: Common Shares | -25,000 | 1.58 CAD | Direct | 2026-01-12 |
| 2026-01-08 | Pickering, Kenneth William Director of Issuer | Acquisition or disposition in the public market | Common Shares | -120,000 | 3.085 CAD | 216,000Direct | 2026-01-12 |
| 2026-01-08 | Pickering, Kenneth William Director of Issuer | Exercise of options | Common Shares | +120,000 | 2.01 CAD | 336,000Direct | 2026-01-12 |
| 2026-01-08 | Pickering, Kenneth William Director of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -120,000 | 2.01 CAD | 158,000Direct | 2026-01-12 |
| 2026-01-08 | BALAKRISHNAN, Desmond Director of Issuer | Acquisition or disposition in the public market | Common Shares | -120,000 | 3 CAD | 7,900Direct | 2026-01-09 |
| 2026-01-08 | BALAKRISHNAN, Desmond Director of Issuer | Exercise of options | Common Shares | +120,000 | 2.01 CAD | 127,900Direct | 2026-01-09 |
| 2026-01-08 | BALAKRISHNAN, Desmond Director of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -120,000 | 2.01 CAD | 420,000Direct | 2026-01-09 |
| 2026-01-07 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -58,396 | 2.2929 USD | 32,936,225Combo | 2026-01-09 |
| 2026-01-07 | Kopernik Global Investors, LLC 10% Security Holder of Issuer · Held by Client Account | Acquisition or disposition in the public market | Common Shares | -210,948 | 2.2683 USD | 32,994,621Combo | 2026-01-09 |
| 2026-01-07 | Dickinson, Robert Allan 10% Security Holder of Issuer | Exercise of options | Common Shares | +500,000 | 0.41 CAD | 2,126,807Direct | 2026-01-08 |
| 2026-01-07 | Dickinson, Robert Allan 10% Security Holder of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -500,000 | 0.41 CAD | 0Direct | 2026-01-08 |
| 2026-01-05 | Kirk, Harry Wayne Director of Issuer | Grant of rights | Rights Deferred Share UnitUnderlying: Rights | +4,859 | 243,512Direct | 2026-01-06 | |
| 2026-01-02 | Dickinson, Robert Allan 10% Security Holder of Issuer | Exercise of options | Common Shares | +300,000 | 1,626,807Direct | 2026-01-05 | |
| 2026-01-02 | Dickinson, Robert Allan 10% Security Holder of Issuer | Exercise of options | OptionsUnderlying: Common Shares | -300,000 | 2.01 CAD | 500,000Direct | 2026-01-05 |
66 transactions between 2025-11-28 and 2026-11-06. Checked 2026-11-07 20:56 UTC.