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CIK 0001805077 · Non-accelerated filer

Eos Energy Enterprises, Inc.

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Ticker
EOSE
Exchange
Nasdaq
Industry
Miscellaneous Electrical Machinery, Equipment & Supplies
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
(732) 225-8400
Business address
TWO ALLEGHENY CENTER, NOVA TOWER 2, PITTSBURGH, PA, 15212
Former names
B. Riley Principal Merger Corp. II

Securities

  • EOSE Common Stock Nasdaq
  • EOSEW Warrant Nasdaq
Open-market buys, last 90 days
$105,200
in 2 filings
Open-market sales, last 90 days
$1,392,610
in 4 filings, $1.4M under 10b5-1 plans

Net −$1,287,410. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Mastrangelo Joe −$980K Chief Executive Officer sold 10% of stake
  2. Puri Sumeet −$313K Chief Accounting Officer sold 22% of stake
  3. Buczkowski Michelle −$100K Chief Commercial Officer sold 31% of stake
  4. Song Haiyan +$59K Director 1 filing
  5. DIMITRIEF ALEXANDER +$47K Director 1 filing
Date Insider Transaction Shares Price Value Owned after
2026-06-02 Nigro Joseph Director Option exercise · Restricted Stock Units −3,565 0
2026-06-02 Walters Marian Director Option exercise +1,782 160,227
2026-06-02 Walters Marian Director Option exercise · Restricted Stock Units −1,782 0
2026-05-28 Walters Marian Director Option exercise +30,000 $1.18 $35K 188,445
2026-05-28 Walters Marian Director Sale −30,000 $9.18 $275K 158,445
2026-05-28 Walters Marian Director Option exercise · Stock Option (Right to Buy) −30,000 35,018
2026-05-20 Walters Marian Director Option exercise +22,319 $1.18 $26K 180,764
2026-05-20 Walters Marian Director Sale −22,319 $7.20 $161K 158,445
2026-05-20 Walters Marian Director Option exercise · Stock Option (Right to Buy) −22,319 65,018
2026-05-19 McNeil Jeff Director Option exercise +23,111 122,290
2026-05-19 McNeil Jeff Director Option exercise · Restricted Stock Units −23,111 0
2026-05-19 Bornstein Jeffrey S Director Option exercise +30,815 146,574
2026-05-19 Bornstein Jeffrey S Director Returned to the company −12,326 $6.88 $85K 134,248
2026-05-19 Bornstein Jeffrey S Director Option exercise · Restricted Stock Units −30,815 0
2026-05-19 Demby Claude Director Option exercise +23,111 164,819
2026-05-19 Demby Claude Director Returned to the company −9,244 $6.88 $64K 155,575
2026-05-19 Demby Claude Director Option exercise · Restricted Stock Units −23,111 0
2026-05-19 DIMITRIEF ALEXANDER Director Option exercise +26,963 262,184
2026-05-19 DIMITRIEF ALEXANDER Director Returned to the company −10,785 $6.88 $74K 251,399
2026-05-19 DIMITRIEF ALEXANDER Director Option exercise · Restricted Stock Units −26,963 0

Page 6 of 30 · 588 trades