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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
2026-11-12 DIMITRIEF ALEXANDER Director Purchase +25,000 $1.86 $47K 294,296
2026-09-14 Song Haiyan Director Purchase +5,000 $3.84 $19K 15,000
2026-09-11 Song Haiyan Director Purchase +10,000 $3.95 $40K 10,000
2026-03-09 Urban David Director Purchase +16,250 $6.16 $100K 62,471
2026-03-04 Mastrangelo Joe Chief Executive Officer Purchase +23,900 $6.58 $157K 1,487,126
2026-03-02 DIMITRIEF ALEXANDER Director Purchase +15,000 $6.04 $91K 235,221
2026-03-02 Mastrangelo Joe Chief Executive Officer Purchase +60,000 $5.75 $345K 1,463,226
2024-08-16 DIMITRIEF ALEXANDER Director Purchase +2,000 $1.91 $4K 172,347
2024-08-15 DIMITRIEF ALEXANDER Director Purchase +1,000 $1.87 $2K 170,347
2024-08-13 DIMITRIEF ALEXANDER Director Purchase +2,000 $1.68 $3K 169,347
2024-08-09 Mastrangelo Joe Chief Executive Officer Purchase +52,800 $1.43 $76K 909,793
2024-03-08 DIMITRIEF ALEXANDER Director Purchase +5,000 $1.13 $6K 10,000
2023-09-21 Mastrangelo Joe Chief Executive Officer Purchase +36,500 $2.05 $75K 590,799
2023-07-28 DIMITRIEF ALEXANDER Director Purchase +5,000 $2.13 $11K 5,000
2023-07-28 Mastrangelo Joe Chief Executive Officer Purchase +31,199 $2.23 $70K 554,299
2023-07-28 Kroeker Nathan Chief Financial Officer Purchase +4,000 $2.15 $9K 4,000
2022-11-10 Mastrangelo Joe Chief Executive Officer Purchase +65,000 $1.15 $75K 403,727
2022-11-10 Bornstein Jeffrey S Director Purchase +20,000 $1.30 $26K 20,000
2022-11-10 Stidolph Russell Monoki Director Purchase +79,850 $1.24 $99K 160,310
2022-05-12 Stidolph Russell Monoki Director Purchase +71,500 $1.40 $100K 76,698

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