ARDSLEY ADVISORY PARTNERS LP

Position in AMPX — Amprius Technologies, Inc.

CIK 900529 Norwalk, CT

Position in AMPX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$2,107,500

New position

Shares Held

125,000

first reported quarter

Ownership

0.086%

of shares outstanding

% of Portfolio

0.33%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

ARDSLEY ADVISORY PARTNERS LP holds $16,938,900 across 3 Electrical Equipment & Parts names.

#	Ticker	Company	Shares	Value (USD)
1	BE	Bloom Energy Corp	31,000	$9,383,700
2	FCEL	Fuelcell Energy Inc	120,000	$4,321,200
3	EOSE	Eos Energy Enterprises, Inc.	550,000	$3,234,000

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,107,500	125,000	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.