Transaction · 0001628280-26-062270

Mastrangelo Joe

Mastrangelo Joe, CEO, reported a transaction classified as exercise at Eos Energy Enterprises, Inc. involving 500000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 0.000000 shares. The stored filing text includes a detected 10b5-1 reference.

exerciseSEC transaction code MCEO
EOSEEos Energy Enterprises, Inc.
Trade date
Sep 14, 2026
Filing date
Sep 16, 2026
View on SEC Insider profile
Disclosed value$0Shares × reported price
Shares traded500k$0.00 per share
Holdings after0Direct
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

EOSE price since this filing

Daily closing prices, with the filing date and available return windows
EOSE · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago -1.3%1d ago +0.5%
Returns since7d -8.9%30d -45.0%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001628280-26-062270
Performance-Based Restricted Stock Units
Transaction date
Sep 14, 2026
Filed Sep 16, 2026, 08:27 PM · 2d delay
Shares
500,000 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
0 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership 10b5-1 Detected
Filing-only score

-16 points

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    On July 5, 2024, the Reporting Person was granted performance-based restricted stock units ("2024 PRSU Awards"). The 2024 PRSU Awards are eligible to vest in up to two installments based on the total…

  2. F2

    The sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 15, 2025 to cover estimated tax withholding obligation…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.84 to $4.16, inclusive. The reporting person undertakes to provide…

  4. F4

    Represents the outstanding awarded and vested units pursuant to the 2024 PRSU Awards dated July 25, 2024 related to the achievement of certain total shareholder return objectives.

  5. F5

    Not applicable.

Original filing · 0001628280-26-062270
Related transactions

0 other transactions

Same SEC filing
Recent company activity

0 recent txs

EOSE