144Filing Date: Sep 16, 2026

Eos Energy Enterprises, Inc. (EOSE)

Insider Proposed Sale Notice

View SEC Filing
ACC: 0001969223-26-001028

Sale Plan

Mastrangelo Joe
Officer, Director·Eos Energy Enterprises, Inc.
Proposed
CommonNASDAQ
Shares250.00K
Est. DateSep 16
Market Value$1.04M
BrokerUBS Financial Services, Inc.
AcquisitionRSU Vesting · Issuer
Acquired DateSep 14, 2026
Amount Acquired250.00K
10b5-1 Plan Adoption06/15/2026
% Outstanding0.0686%
10b5-1
Exercise / Payment Details
Paid: Sep 14, 2026Method: N/A
No sales in the past 3 months
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Deep Analysis

Eos Energy Enterprises CEO and director Joe Mastrangelo filed notice to sell 250,000 shares worth roughly $1.04M, all acquired two days earlier through RSU vesting, under a 10b5-1 plan adopted June 15, 2026.

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Signature & Compliance expand_more
Notice DateSep 16, 2026
10b5-1 Plan Adoption06/15/2026
Signature /s/ UBS Financial Services Inc, as attorney-in-fact for Joseph Mastrangelo
Issuer Info expand_more
CompanyEos Energy Enterprises, Inc.
CIK0001805077
SEC File No.001-39291
Phone(732) 225-8400
AddressTWO ALLEGHENY CENTER, PITTSBURGH, PA 15212

keid analysis is for reference only and does not constitute investment advice.