SCHEDULE 13D/A 0001019056-22-000279 0001549738 XXXXXXXX LIVE 5 Common Shares, no par value 08/27/2025 false 0001778129 88105E108 TerrAscend Corp.

77 City Centre Drive, Suite 501 Mississauga A6 L5B 1M5

JW Asset Management, LLC 212-446-5362 1051 N. Venetian Drive Miami Beach FL 33139 0001082644 N JW PARTNERS, LP a WC N DE 0.00 57621892.00 0.00 57621892.00 57621892.00 N 18.40 PN 0001594084 N JW OPPORTUNITIES FUND, LLC a WC N DE 0.00 22532576.00 0.00 22532576.00 22532576.00 N 7.29 PN 0001549738 N JW ASSET MANAGEMENT, LLC a OO N DE 0.00 82814306.00 0.00 82814306.00 82814306.00 N 26.19 IA 0001778512 N JW GP, LLC a OO N DE 0.00 82654322.00 0.00 82654322.00 82654322.00 N 26.14 PN 0001778752 N JASON G. WILD a PF OO N X1 10961516.00 82814306.00 10961516.00 82814306.00 93775822.00 N 29.54 IN Common Shares, no par value TerrAscend Corp. 77 City Centre Drive, Suite 501 Mississauga A6 L5B 1M5 On August 27, 2025, two investment vehicles advised by the Reporting Persons distributed 14,715,981 Common Shares to their respective investors in connection with planned redemptions of their interests in JW Select Investments, LP and JW Opportunities Fund, LLC. As a result, the Reporting Person's overall holdings in TerrAscend common shares were reduced. These distributions were made in connection with the full liquidation of JW Select Investments, LP and the closure of a specific share class within JW Opportunities Fund, LLC, which applied to all investors in those funds. As part of this Distribution, Jason Wild received 6,300,567 shares and continues to hold them in full. For purposes of calculating the percentages set forth in this Item 5, the number of Common Shares outstanding is assumed to be the aggregate of 306,233,661, according to the Form 10-Q filed by the Issuer on August 7, 2025. JWP may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of an aggregate of 57,621,892 Common Shares as of August 27, 2025, which represent 18.40% of the Issuer's outstanding Common Shares. JWO LLC may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of an aggregate of 22,532,576 Common Shares as of August 27, 2025, which represent 7.29% of the Issuer's outstanding Common Shares. The Advisor may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of an aggregate of 82,814,306 Common Shares as of August 27, 2025, which represent 26.19% of the Issuer's outstanding Common Shares. The General Partner may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of an aggregate of 82,654,322 Common Shares as of August 27, 2025, which represent 26.14% of the Issuer's outstanding Common Shares. Wild may be deemed, for purposes of Rule 13d-3 under the Securities Exchange Act of 1934, as amended, to be the beneficial owner of an aggregate of 93,775,822 Common Shares as of August 27, 2025, which represent 29.54% of the Issuer's outstanding Common Shares. Each Reporting Person, as a member of a "group" with the other Reporting Persons for the purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, may be deemed the beneficial owner of the Common Shares directly owned by the other Reporting Persons. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein. See Exhibit 2 of Schedule 13D. JWP (i) Sole power to vote or direct vote: 0 (ii) Shared power to vote or direct vote: 57,621,892 (iii) Sole power to dispose of or direct the disposition: 0 (iv) Shared power to dispose of or direct the disposition: 57,621,892 JWO LLC (i) Sole power to vote or direct vote: 0 (ii) Shared power to vote or direct vote: 22,532,576 (iii) Sole power to dispose of or direct the disposition: 0 (iv) Shared power to dispose of or direct the disposition: 22,532,576 Advisor (i) Sole power to vote or direct vote: 0 (ii) Shared power to vote or direct vote: 82,814,306 (iii) Sole power to dispose of or direct the disposition: 0 (iv) Shared power to dispose of or direct the disposition: 82,814,306 General Partner (i) Sole power to vote or direct vote: 0 (ii) Shared power to vote or direct vote: 82,654,322 (iii) Sole power to dispose of or direct the disposition: 0 (iv) Shared power to dispose of or direct the disposition: 82,654,322 Wild (i) Sole power to vote or direct vote: 10,961,516 (ii) Shared power to vote or direct vote: 82,814,306 (iii) Sole power to dispose of or direct the disposition: 10,961,516 (iv) Shared power to dispose of or direct the disposition: 82,814,306 On June 24, 2025, Jason Wild received a grant from the Issuer of 1,364,423 restricted stock units (RSUs). On June 23, 2025, warrants to purchase 400,001 Common Shares held by investment vehicles advised or managed by the Reporting Persons expired with strike prices well above the market price of the Common Shares. To the knowledge of the Reporting Persons, except for the matters described in the Schedule 13D (as amended), this Schedule 13D/A, or as set forth below, there is no contract, arrangement, understanding or relationship (legal or otherwise) among the Reporting Persons or between the Reporting Persons and any other person with respect to any securities of the Issuer. JW PARTNERS, LP /s/ Jason Klarreich 08/27/2025 JW OPPORTUNITIES FUND, LLC /s/ Jason Klarreich 08/27/2025 JW ASSET MANAGEMENT, LLC /s/ Jason G. Wild 08/27/2025 /s/ Jason Klarreich 08/27/2025 JW GP, LLC /s/ Jason Klarreich 08/27/2025 JASON G. WILD /s/ Jason Klarreich 08/27/2025 Pursuant to that certain Power of Attorney dated February 14, 2022 with respect to securities of TerrAscend Corp., the original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative's authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature. NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See SS240.13d-7 for other parties for whom copies are to be sent.