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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2020-09-23 13:30
Tx date 2020-09-18
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
50 - Grant of options
$205,019
+102,000 vol
$2.01 each
1,056,000
Filed 2020-09-23 13:28
Tx date 2020-09-18
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
50 - Grant of options
$205,019
+102,000 vol
$2.01 each
954,000
Filed 2020-01-17 16:00
Tx date 2020-01-17
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
52 - Expiration of options
$-667,500
-750,000 vol
$0.89 each
852,000
Filed 2019-10-29 18:29
Tx date 2019-10-29
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
36 - Conversion or exchange

+25,792 vol
74,294
Filed 2019-10-29 18:27
Tx date 2019-10-29
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Restricted Share Units
36 - Conversion or exchange

-35,877 vol
0
Filed 2019-10-02 19:15
Tx date 2019-09-30
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
50 - Grant of options
$100,980
+102,000 vol
$0.99 each
1,602,000
Filed 2019-03-06
Tx date 2019-03-06
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Restricted Share Units
36 - Conversion or exchange

-35,876 vol
35,877
Filed 2019-03-06
Tx date 2019-03-06
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
36 - Conversion or exchange

+26,408 vol
48,502
Filed 2018-08-15
Tx date 2018-08-15
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
50 - Grant of options
$190,000
+250,000 vol
$0.76 each
1,500,000
Filed 2017-09-20
Tx date 2014-04-24
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Restricted Share Units
00 - Opening Balance-Initial SEDI Report
Filed 2017-09-20
Tx date 2017-09-15
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Restricted Share Units
56 - Grant of rights

+107,629 vol
107,629
Filed 2017-09-20
Tx date 2017-09-15
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
57 - Exercise of rights

+22,094 vol
22,094
Filed 2017-09-20
Tx date 2014-04-24
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report
Filed 2017-09-20
Tx date 2017-09-15
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Restricted Share Units
57 - Exercise of rights

-35,876 vol
71,753
Filed 2016-07-14
Tx date 2016-07-13
$NDM
Northern Dynasty Minerals Ltd.
Collier, Thomas Cleveland
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Options
50 - Grant of options
$245,000
+500,000 vol
$0.49 each
1,250,000