Reporting owner · CIK 0001833309
Mastrangelo Joe
Visual SEC Form 4 history across 1 companies, 3 transactions and 1 filings.
CEOChief Executive OfficerEos Energy Enterprises, Inc.
Open-market mix
0%buys
Open-market buy performance
90-day forward return on this insider's open-market purchases
Forward return is not available yet
We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for this insider's their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.
Monthly open-market activity
Reported purchase and sale transaction counts
Buys Sells
Net value flow
Buys minus sells
Sep 26
−$980K
Transaction texture
Ownership and ticket size
Average P/S size$980K
Median P/S size$980K
Direct3
Indirect0
Sep 16, 2026sale
Filing-only signals
Deterministic matches in this insider's history
No filing-only signal badges matched this history.
Latest Form 4 facts
Quick context from source filings
Latest transaction
sale at Eos Energy Enterprises, Inc. on Sep 16, 2026 valued at $980,000.
Review SEC filingLatest buy
No open-market insider purchase is available.
Latest sale
sale at Eos Energy Enterprises, Inc. on Sep 16, 2026 valued at $980,000.
Review SEC filingAssociated companies
Visual map of known reporting history
Latest insider transactions
Form 4 filings from available history. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #222150 | EOSE | Mastrangelo Joe | CEO | exercise10b5-1 | 500k | $0 | M | 09/16 | 09/14 |
| #222149 | EOSE | Mastrangelo Joe | CEO | sale10b5-1 | 250k | -$98.0M | S | 09/16 | 09/16 |
| #222148 | EOSE | Mastrangelo Joe | CEO | grant10b5-1 | 500k | $0 | A | 09/16 | 09/14 |
Mastrangelo Joe Insider Activity FAQ
SEC Form 4 context
Who is Mastrangelo Joe?
Mastrangelo Joe is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001833309.
Which companies has Mastrangelo Joe reported transactions for?
Eos Energy Enterprises, Inc.
When was Mastrangelo Joe's latest insider buy?
No open-market insider purchase is available for this period.
When was Mastrangelo Joe's latest insider sale?
sale at Eos Energy Enterprises, Inc. on Sep 16, 2026 valued at $980,000.
Where can I see the original SEC filings?
Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.
Are performance metrics included?
This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.