K2 PRINCIPAL FUND, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Willow Lane Acquisition Corp Class A Ordinary Shares, par value $0.0001 per share (WLAC)

Filing manager
K2 PRINCIPAL FUND, L.P.
Reporting owner
The K2 Principal Fund, L.P.
Security
Willow Lane Acquisition Corp Class A Ordinary Shares, par value $0.0001 per share
Beneficially owned shares
81,153 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13G/A

Passive or exempt beneficial ownership filing.

Ownership

0.64%

Beneficial ownership of this reported class.

Shares

81,153 shares

Shares beneficially owned as disclosed.

Event date

31 Dec 2025

Date tied to the ownership event or amendment.

Accepted by SEC

05 Feb 2026

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
0.64%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
WLAC
Shares outstanding
12,680,156 shares
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
SCHEDULE 13G/A
Accepted by SEC
05 Feb 2026, 08:57:03 UTC
Event date
31 Dec 2025
Prior SEC filing
11 Feb 2025
Source filing
View source filing

Key filing fact

K2 PRINCIPAL FUND, L.P. disclosed 0.64% ownership in Willow Lane Acquisition Corp Class A Ordinary Shares, par value $0.0001 per share (WLAC) on 31 Dec 2025.

Key facts

  • K2 PRINCIPAL FUND, L.P. filed SCHEDULE 13G/A for Willow Lane Acquisition Corp Class A Ordinary Shares, par value $0.0001 per share (WLAC).
  • Disclosed ownership: 0.64%.
  • Date of event: 31 Dec 2025.

Change

  • Previous schedule filing date: 11 Feb 2025.
  • Current filing was accepted on 05 Feb 2026, 08:57.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

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

View source filing

Reporting persons

Disclosed reporting parties (4)

Names, ownership percentages, 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
The K2 Principal Fund, L.P. 0.64% 81,153 0 81,153 /s/ Todd Sikorski Todd Sikorski / Secretary
K2 Genpar 2017 Inc. 0.64% 81,153 0 81,153 /s/ Todd Sikorski Todd Sikorski / Secretary
SHAWN KIMEL INVESTMENTS, INC. 0.64% 81,153 0 81,153 /s/ Shawn Kimel Shawn Kimel / President
K2 & Associates Investment Management Inc. 0.64% 81,153 0 81,153 /s/ Todd Sikorski Todd Sikorski / President
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