Weichai Power Hong Kong International Development Co., Ltd → Ballard Power Systems Inc. BLDP

Stake: 10.32% Shares: 31,102,826 CUSIP: 058586108 Class: Common Shares

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

3 13D/G filings on this issuer

2 other filings besides this one

Filer Track Record

3 filings by this filer

2 other filings in the data moat

Short Interest · settle 2026-04-30

DTC 4.58

21,027,098 shares short · +1.4% vs prior

Other 13D/G Filings on Ballard Power Systems Inc.

Filed	Form	Filer	Stake	Shares
2026-05-15	SCHEDULE 13D/A	Weichai Power Hong Kong International Development Co., Ltd	11.61%	34,999,826	view →
2026-05-13	SCHEDULE 13D/A	Weichai Power Hong Kong International Development Co., Ltd	—	39,252,826	view →

Other Filings by Weichai Power Hong Kong International Development Co., Ltd

Filed	Form	Issuer	Stake	Shares
2026-05-15	SCHEDULE 13D/A	Ballard Power Systems Inc.	11.61%	34,999,826	view →
2026-05-13	SCHEDULE 13D/A	Ballard Power Systems Inc.	—	39,252,826	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. $1,500/mo. Pilots welcome.

Request a pilot →