Eos Energy Enterprises, Inc. (EOSE)
Data as of , from SEC Form 4 filings.
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About Eos Energy Enterprises, Inc. (EOSE)
Eos Energy Enterprises Inc designs develop, manufactures, and markets zinc-based energy storage solutions for utility-scale, microgrid, and commercial & industrial (C&I) applications. The solutions are used in the utility sector, the renewable energy sector, and the industrial sector.
- PITTSBURGH, PA
- 787
- 2020
- XNAS
EOSE Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 2 | 15,000 | $59K |
| Open-market sale | 6 | 626,655 | $2.34M |
| Grant or award | 9 | 21,602,308 | |
EOSE insider transactions (Form 4)
7472 Form 4 filings on record, the earliest from Nov 4, 2024, newest first. Filing history page 1 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sumeet Puri - Officer | Option exercise | Common Stock | 87,500 | $0.00 footnote F1 | - | |
| Sumeet Puri - Officer | Open-market sale | Common Stock | 43,750 | $3.92 footnote F3 | $172K | |
| Sumeet Puri - Officer | Option exercise | Performance-Based Restricted Stock Units | 87,500 footnote F4 | $0.00 | - | |
| ||||||
| Joe Mastrangelo - Officer | Grant or award | Common Stock | 500,000 | $0.00 footnote F1 | - | |
| Joe Mastrangelo - Officer | Open-market sale | Common Stock | 250,000 | $3.92 footnote F3 | $980K | |
| Joe Mastrangelo - Officer | Option exercise | Performance-Based Restricted Stock Units | 500,000 footnote F4 | $0.00 | - | |
| ||||||
 Haiyan Song - Director | Open-market purchase | Common Stock | 10,000 | $3.95 | $40K | |
| Haiyan Song - Director | Open-market purchase | Common Stock | 5,000 | $3.84 | $19K | |
| Sumeet Puri - Officer | Option exercise | Common Stock | 68,333 | $0.00 footnote F1 | - | |
| Sumeet Puri - Officer | Open-market sale | Common Stock | 34,167 | $4.13 footnote F3 | $141K | |
| Sumeet Puri - Officer | Option exercise | Restricted Stock Units | 68,333 | $0.00 | - | |
| ||||||
| Sumeet Puri - Officer | Grant or award | Restricted Stock Units | 65,044 | $0.00 | - | |
| Michelle Buczkowski - Officer | Grant or award | Restricted Stock Units | 195,130 | $0.00 | - | |
| Alessandro Lagi - Officer | Grant or award | Restricted Stock Units | 195,130 | $0.00 | - | |
| Joe Mastrangelo - Officer | Grant or award | Restricted Stock Units | 611,406 | $0.00 | - | |
| Cerberus GP Manager LLC - Director | Grant or award | Warrant (right to buy) | 20,017,772 | - footnote F1,F2 | - | |
| ||||||
| Joe Mastrangelo - Officer | Option exercise | Common Stock | 111,118 | $5.48 | $609K | |
| Joe Mastrangelo - Officer | Option exercise | Subscription Rights (right to buy) | 111,118 | $0.00 | - | |
| Joe Mastrangelo - Officer | Option exercise | Warrant (right to buy) | 48,758 | $0.00 | - | |
| Alexander Dimitrief - Director | Option exercise | Common Stock | 17,897 | $5.48 | $98K | |
| Alexander Dimitrief - Director | Option exercise | Common Stock | 1,377 | $5.48 | $8K | |
| Alexander Dimitrief - Director | Option exercise | Subscription Rights (right to buy) | 17,897 | $0.00 | - | |
| Alexander Dimitrief - Director | Option exercise | Subscription Rights (right to buy) | 1,377 | $0.00 | - | |
| Alexander Dimitrief - Director | Option exercise | Warrant (right to buy) | 7,853 | $0.00 | - | |
| Alexander Dimitrief - Director | Option exercise | Warrant (right to buy) | 603 | $0.00 | - | |
| Marian Walters - Director | Option exercise | Common Stock | 11,407 | $5.48 | $63K | |
| Marian Walters - Director | Option exercise | Subscription Rights (right to buy) | 11,407 | $0.00 | - | |
| Marian Walters - Director | Option exercise | Warrant (right to buy) | 5,005 | $0.00 | - | |
| Jeffrey S. Bornstein - Director | Option exercise | Common Stock | 9,558 | $5.48 | $52K | |
| Jeffrey S. Bornstein - Director | Option exercise | Subscription Rights (right to buy) | 9,558 | $0.00 | - | |
| Jeffrey S. Bornstein - Director | Option exercise | Warrant (right to buy) | 4,194 | $0.00 | - | |
 David Urban - Director | Option exercise | Common Stock | 12,185 | $5.48 | $67K | |
| David Urban - Director | Option exercise | Subscription Rights (right to buy) | 12,185 | $0.00 | - | |
| David Urban - Director | Option exercise | Warrant (right to buy) | 5,347 | $0.00 | - | |
| Joseph Nigro - Director | Option exercise | Common Stock | 2,773 | $5.48 | $15K | |
| Joseph Nigro - Director | Option exercise | Subscription Rights (right to buy) | 2,773 | $0.00 | - | |
| Joseph Nigro - Director | Option exercise | Warrant (right to buy) | 1,217 | $0.00 | - | |
| Michelle Buczkowski - Officer | Option exercise | Common Stock | 2,585 | $5.48 | $14K | |
| Michelle Buczkowski - Officer | Option exercise | Subscription Rights (right to buy) | 2,585 | $0.00 | - | |
| Michelle Buczkowski - Officer | Option exercise | Warrant (right to buy) | 1,134 | $0.00 | - | |
| Claude Demby - Director | Option exercise | Common Stock | 1,825 | $5.48 | $10K | |
| Claude Demby - Director | Option exercise | Subscription Rights (right to buy) | 1,825 | $0.00 | - | |
| Claude Demby - Director | Option exercise | Warrant (right to buy) | 801 | $0.00 | - | |
| Nathan Kroeker - Officer | Option exercise | Common Stock | 16,944 | $5.48 | $93K | |
| Nathan Kroeker - Officer | Option exercise | Subscription Rights (right to buy) | 16,944 | $0.00 | - | |
| Nathan Kroeker - Officer | Option exercise | Warrant (right to buy) | 7,435 | $0.00 | - | |
| Sumeet Puri - Officer | Option exercise | Common Stock | 58,334 | $0.00 footnote F1 | - | |
| Sumeet Puri - Officer | Open-market sale | Common Stock | 29,167 | $3.36 footnote F3 | $98K | |
| Sumeet Puri - Officer | Option exercise | Restricted Stock Units | 58,334 | $0.00 | - | |
| ||||||
| Nathan Kroeker - Officer | Option exercise | Common Stock | 220,834 | $0.00 footnote F1 | - | |
| Nathan Kroeker - Officer | Open-market sale | Common Stock | 110,417 | $3.36 footnote F3 | $371K | |
| Nathan Kroeker - Officer | Option exercise | Restricted Stock Units | 220,834 | $0.00 | - | |
| ||||||
| Joe Mastrangelo - Officer | Option exercise | Common Stock | 333,334 | $0.00 footnote F1 | - | |
| Joe Mastrangelo - Officer | Open-market sale | Common Stock | 159,154 footnote F2 | $3.61 | $575K | |
| Joe Mastrangelo - Officer | Option exercise | Restricted Stock Units | 333,334 | $0.00 | - | |
| ||||||
| Joseph Nigro - Director | Grant or award | Restricted Stock Units | 5,942 footnote F2 | $0.00 | - | |
| ||||||
| Marian Walters - Director | Grant or award | Restricted Stock Units | 5,942 footnote F2 | $0.00 | - | |
| ||||||
| Alexander Dimitrief - Director | Grant or award | Restricted Stock Units | 5,942 footnote F2 | $0.00 | - | |
| ||||||
| Haiyan Song - Director | Grant or award | Restricted Stock Units | 29,980 | $0.00 | - | |
| Marie Batz Martin - Officer | Grant or award | Restricted Stock Units | 216,731 | $0.00 | - | |
| Nathan Kroeker - Officer | Option exercise | Common Stock | 53,610 | $0.00 footnote F1 | - | |
| Nathan Kroeker - Officer | Option exercise | Common Stock | 105,008 | $0.00 footnote F1 | - | |
| Nathan Kroeker - Officer | Open-market sale | Common Stock | 79,309 | $4.68 footnote F3 | $371K | |
| Nathan Kroeker - Officer | Option exercise | Restricted Stock Units | 53,610 | $0.00 | - | |
| Nathan Kroeker - Officer | Option exercise | Restricted Stock Units | 105,008 | $0.00 | - | |
| ||||||
| Joe Mastrangelo - Officer | Option exercise | Common Stock | 254,304 | $0.00 footnote F1 | - | |
| Joe Mastrangelo - Officer | Tax withholding / forfeiture | Common Stock | 121,245 footnote F2 | $5.06 | $613K | |
| Joe Mastrangelo - Officer | Option exercise | Restricted Stock Units | 254,304 | $0.00 | - | |
| ||||||
| Sumeet Puri - Officer | Option exercise | Restricted Stock Units | 17,545 | $0.00 | - | |
| Sumeet Puri - Officer | Option exercise | Common Stock | 17,645 | $0.00 footnote F1 | - | |
| Sumeet Puri - Officer | Open-market sale | Common Stock | 8,823 | $5.86 footnote F3 | $52K | |
| ||||||
| Michelle Buczkowski - Officer | Option exercise | Restricted Stock Units | 22,938 | $0.00 | - | |
| Michelle Buczkowski - Officer | Option exercise | Common Stock | 22,938 | $0.00 footnote F1 | - | |
| Michelle Buczkowski - Officer | Open-market sale | Common Stock | 11,469 | $5.87 footnote F3 | $67K | |
| ||||||
Item 5.02
Item 2.03, 7.01, 9.01
Item 5.02, 7.01, 9.01
Item 1.01, 3.02, 9.01
Recent EOSE Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Michael Silberman | Former Officer | 114,650 | $467K | View on EDGAR | |
| Mastrangelo Joe | Officer, Director | 250,000 |
EOSE insider trading FAQ
What is the latest insider trade for EOSE?
Eos Energy Enterprises, Inc. (EOSE) had 24 insider filings in the last 90 days, with the most recent on 2026-09-16. The full record for EOSE runs to 72 Form 4 filings, the earliest from 2024-11-04. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying EOSE stock?
2 insider purchases of EOSE were filed in the last 90 days, totaling $59K.
How many insiders are selling EOSE stock?
6 insider sales of EOSE were filed in the last 90 days, totaling $2.34M.
Where can I see EOSE SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects EOSE Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Sumeet Puri view on EDGAR
- - Joe Mastrangelo view on EDGAR
- - Haiyan Song view on EDGAR
- - Sumeet Puri view on EDGAR
- - Sumeet Puri view on EDGAR
- - Michelle Buczkowski view on EDGAR
- - Alessandro Lagi view on EDGAR
- - Joe Mastrangelo view on EDGAR
- - Cerberus GP Manager LLC view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where EOSE's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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