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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
$58,700
in 1 filing
Open-market sales, last 90 days
$1,392,610
in 4 filings, $1.4M under 10b5-1 plans

Net −$1,333,910. 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
Date Insider Transaction Shares Price Value Owned after
2026-07-28 Kroeker Nathan Chief Commercial Officer Sale 10b5-1 −110,417 $3.36 $371K 887,527
2026-07-27 Mastrangelo Joe Chief Executive Officer Sale −159,154 $3.61 $575K 1,947,586
2026-07-25 Puri Sumeet Chief Accounting Officer Option exercise 10b5-1 +58,334 231,446
2026-07-25 Puri Sumeet Chief Accounting Officer Option exercise · Restricted Stock Units 10b5-1 −58,334 58,333
2026-07-25 Kroeker Nathan Chief Commercial Officer Option exercise 10b5-1 +220,834 997,944
2026-07-25 Kroeker Nathan Chief Commercial Officer Option exercise · Restricted Stock Units 10b5-1 −220,834 220,833
2026-07-25 Mastrangelo Joe Chief Executive Officer Option exercise +333,334 2,106,740
2026-07-25 Mastrangelo Joe Chief Executive Officer Option exercise · Restricted Stock Units −333,334 333,333
2026-07-23 Nigro Joseph Director Grant or award · Restricted Stock Units +5,942 5,942
2026-07-23 Walters Marian Director Grant or award · Restricted Stock Units +5,942 5,942
2026-07-23 DIMITRIEF ALEXANDER Director Grant or award · Restricted Stock Units +5,942 5,942
2026-07-21 Mastrangelo Joe Chief Executive Officer Option exercise +111,118 $5.48 $609K 2,058,704
2026-07-21 Mastrangelo Joe Chief Executive Officer Option exercise · Subscription Rights (right to buy) −111,118 0
2026-07-21 Mastrangelo Joe Chief Executive Officer Option exercise · Warrant (right to buy) +48,758 48,758
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise +17,897 $5.48 $98K 269,296
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise +1,377 $5.48 $8K 11,377
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise · Subscription Rights (right to buy) −17,897 0
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise · Subscription Rights (right to buy) −1,377 0
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise · Warrant (right to buy) +7,853 7,853
2026-07-21 DIMITRIEF ALEXANDER Director Option exercise · Warrant (right to buy) +603 603

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