CastleKnight Master Fund LP - 31 Mar 2026 SCHEDULE 13G/A Report for SunOpta Inc. Common Shares, no par value (STKL)

Filing Manager
CastleKnight Master Fund LP
Reporting Manager
CastleKnight Master Fund LP
Security
SunOpta Inc. Common Shares, no par value
Symbol
STKL
Disclosed Ownership
0 shares
Ownership
0%
Form type
SCHEDULE 13G/A
Filing time
15 May 2026, 16:45:00 UTC
Date of event
31 Mar 2026
Previous filing
13 Nov 2025
SEC
View on sec.gov

Key filing fact

CastleKnight Master Fund LP disclosed 0% ownership in SunOpta Inc. Common Shares, no par value (STKL) on 31 Mar 2026.

Key facts

  • CastleKnight Master Fund LP filed SCHEDULE 13G/A for SunOpta Inc. Common Shares, no par value (STKL).
  • Disclosed ownership: 0%.
  • Date of event: 31 Mar 2026.

Change

  • Previous schedule filing date: 13 Nov 2025.
  • Current filing was accepted on 15 May 2026, 16:45.

Research use

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Reporting managers (6)

Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
CastleKnight Master Fund LP 0% 0 0 0 By: CastleKnight Fund GP LLC, its general partner, By: Weitman Capital LLC, its managing member, /s/ Aaron Weitman Aaron Weitman, Manager
CastleKnight Fund GP LLC 0% 0 0 0 By: Weitman Capital LLC, its managing member, /s/ Aaron Weitman Aaron Weitman, Manager
CastleKnight Management LP 0% 0 0 0 By: CastleKnight Management GP LLC, its general partner, By: Weitman Capital LLC, its managing member, /s/ Aaron Weitman Aaron Weitman, Manager
CastleKnight Management GP LLC 0% 0 0 0 By: Weitman Capital LLC, its managing member, /s/ Aaron Weitman Aaron Weitman, Manager
Weitman Capital LLC 0% 0 0 0 /s/ Aaron Weitman Aaron Weitman, Manager
Aaron Weitman 0% 0 0 0 /s/ Aaron Weitman Aaron Weitman
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