EOSE

Eos Energy Enterprises, Inc.

NasdaqIndustrialsMiscellaneous Electrical Machinery, Equipment & Supplies

Insider activity for last month from 08/10 to 09/10. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 09, 2026Most recent Form 4
Total buying$00 buys
Total selling$14.1M1 sells
Net open-market-$14.1M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
1 transactions
0 buys0%·100%1 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAugSep 2026 sells: 1 transactions · $14.1M1Sep

Transaction codes

By Form 4 transaction code in selected period
6transactions
  • A · Grants / awards · dominant3 · 50%
  • M · Option exercise2 · 33%
  • S · Open-market sells1 · 17%

Activity by reported role

A joint filing can contribute to multiple roles
6transactions
  • CAO · dominant4 · 67%
  • CCO1 · 17%
  • Chief financial officer1 · 17%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (3)
Aug 2026Sep 2026
4distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Puri SumeetRestricted Stock Units · Direct
65.0k0Aug 24, 2026 · 65,044 shares owned afterSep 05, 2026 · 0 shares owned afterAug 24, 2026Sep 05, 2026
0Sep 05, 2026
Puri SumeetCommon Stock · Direct
270.6k236.4kSep 05, 2026 · 270,612 shares owned afterSep 09, 2026 · 236,445 shares owned afterSep 05, 2026Sep 09, 2026
236,445Sep 09, 2026
Lagi AlessandroRestricted Stock Units · Direct
195.1k195.1kAug 24, 2026 · 195,130 shares owned afterAug 24, 2026Aug 24, 2026
195,130Aug 24, 2026
Buczkowski MichelleRestricted Stock Units · Direct
195.1k195.1kAug 24, 2026 · 195,130 shares owned afterAug 24, 2026Aug 24, 2026
195,130Aug 24, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
0 active days
Aug 10Sep 10
LessMore

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$14.1M
10b5-1 detected3
Amended rows0

Filing-only signals

Deterministic matches in the selected period

EOSE transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date

No transactions match your filters

Once the backend ingests and parses SEC filings, they will appear here. Try removing a filter or picking a wider date range.

Eos Energy Enterprises, Inc. Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at Eos Energy Enterprises, Inc.?

Puri Sumeet, Buczkowski Michelle, Lagi Alessandro.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Puri Sumeet reported a sale on Sep 09, 2026 valued at $14.1M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $141,109.71. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.