X0508 4 2023-08-28 0001610853 HELIUS MEDICAL TECHNOLOGIES, INC. HSDT 0001201810 ANDREEFF DANE C/O HELIUS MEDICAL TECHNOLOGIES, INC. 642 NEWTOWN YARDLEY ROAD, SUITE 100 NEWTOWN PA 18940 true true true President and CEO false Common Stock 2023-08-28 4 P 0 2688 6.3684 A 8774 I See footnote Common Stock 2023-08-28 4 P 0 563 6.3684 A 1820 I See footnote Common Stock 2023-08-28 4 P 0 1684 6.3684 A 8334 I See footnote Common Stock 2023-08-28 4 P 0 143 6.3684 A 458 I See footnote Common Stock 2023-08-30 4 P 0 2646 7.6423 A 11420 I See footnote Common Stock 2023-08-30 4 P 0 555 7.6423 A 2375 I See footnote Common Stock 2023-08-30 4 P 0 1658 7.6423 A 9992 I See footnote Common Stock 2023-08-30 4 P 0 141 7.6423 A 599 I See footnote Common Stock 30 D The share amount has been adjusted to reflect the reverse stock split effective on August 16, 2023 whereby each fifty shares issued and outstanding prior to the split were combined and converted into one share of common stock. The shares are held by Maple Leaf Partners, L.P. ("MLP"). The reporting person is the managing member of Maple Leaf Capital I, LLC ("Maple Leaf Capital"), the general partner of MLP and as such may be deemed to beneficially own the securities owned by MLP. The reporting person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes. The shares are held by Maple Leaf Partners I, L.P. ("MLP I"). The reporting person is the managing member of Maple Leaf Capital, the general partner of MLP I and as such may be deemed to beneficially own the securities owned by MLP I. The reporting person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes. The shares are held by Maple Leaf Discovery I, L.P. ("MLD I"). The reporting person is the managing member of Maple Leaf Capital, the general partner of MLD I and as such may be deemed to beneficially own the securities owned by MLD I. The reporting person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes. The shares are held by Maple Leaf Offshore Ltd. ("MLO"). The reporting person is the president of the managing member of Andreeff Equity Advisors, L.L.C., the investment manager of MLO and as such may be deemed to beneficially own the securities owned by MLO. The reporting person disclaims beneficial ownership over such shares except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the reported shares for purposes of Section 16 or for any other purposes. /s/ Dane Andreeff 2023-08-30