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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 2026-03-25 15:51
Tx date 2026-03-20
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+2,000 vol
11,522
Filed 2026-03-02 18:10
Tx date 2026-02-09
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
15 - Acquisition or disposition under a prospectus
$19,998
+3,738 vol
$5.35 each
35,389
Filed 2026-02-26 13:55
Tx date 2026-02-09
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
15 - Acquisition or disposition under a prospectus
$19,998
+3,738 vol
$5.35 each
Filed 2026-02-09 13:55
Tx date 2026-02-09
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
15 - Acquisition or disposition under a prospectus
$19,998
+3,738 vol
$5.35 each
Filed 2026-02-09 13:55
Tx date 2026-02-09
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
15 - Acquisition or disposition under a prospectus
$19,998
+3,738 vol
$5.35 each
35,389
Filed 2025-12-28 20:36
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
57 - Exercise of rights
$1,728
+401 vol
$4.31 each
31,651
Filed 2025-12-28 20:36
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-401 vol
9,522
Filed 2025-12-28 20:35
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-401 vol
Filed 2025-12-28 20:35
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
54 - Exercise of warrants
$1,728
+401 vol
$4.31 each
Filed 2025-12-28 20:03
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
54 - Exercise of warrants
$1,728
+401 vol
$4.31 each
Filed 2025-12-28 20:02
Tx date 2025-12-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
57 - Exercise of rights

-401 vol
Filed 2025-08-13 18:27
Tx date 2025-08-08
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
56 - Grant of rights

+1,515 vol
9,923
Filed 2025-05-28 19:33
Tx date 2025-05-28
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
99 - Correction of information

+8,408 vol
8,408
Filed 2025-05-28 19:33
Tx date 2021-01-29
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Restricted Share Unit
00 - Opening Balance-Initial SEDI Report
Filed 2024-05-27 20:04
Tx date 2024-05-23
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
16 - Acquisition or disposition under a prospectus exemption
$50,000
+31,250 vol
$1.60 each
31,250
Filed 2022-03-28 13:03
Tx date 2022-03-24
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+17,452 vol
48,452
Filed 2022-03-22 14:38
Tx date 2021-11-17
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Options
50 - Grant of options

+31,000 vol
31,000
Filed 2021-05-21 17:48
Tx date 2021-01-29
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Options
00 - Opening Balance-Initial SEDI Report
Filed 2021-05-21 17:48
Tx date 2021-01-29
$GRID
Tantalus Systems Holding Inc. (formerly RiseTech Capital Corp.)
McEwen, John
4 - Director of Issuer
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report