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144 ·Filed May 19, 2026

EOSE

Eos Energy Enterprises, Inc.
NEUTRAL
Impact 2/10
Horizonimmediate Processed5mo ago SEC0001969223-26-000574
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a small, routine insider sale tied to option exercise — no material signal. Monitor for larger insider sales or cluster filings that could indicate broader selling pressure.

DirectionNeutral
Confidencehigh
Horizonimmediate
Final — all horizons settled through T+60d
EOSE ▼ -43.46% at T+60d
NEUTRAL call -43.46% · α vs SPY -48.46% · entry $7.11 → $4.02
Entry = T+0 close
May 19, 2026
via day close
T+1d
+14.91%
call +14.91% · α +14.71%
$8.17
settled 5mo ago
T+5d
+21.10%
call +21.10% · α +19.86%
$8.61
settled 5mo ago
T+20d
+7.59%
call +7.59% · α +6.85%
$7.65
settled 4mo ago
T+60d
-43.46%
call -43.46% · α -48.46%
$4.02
settled 2mo ago

Price Chart

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Executive Summary

Director Marian Walters filed a Form 144 to sell 30,000 common shares (~$212K at filing) via UBS Financial Services, acquired through a stock option exercise on the same day. The sale is small relative to EOSE's $2.5B market cap and appears to be a routine cash-out of exercised options, not a strategic exit.

Key Facts

  • Marian Walters, an officer/director, filed Form 144 to sell 30,000 shares.
  • Shares were acquired via stock option exercise on 05/19/2026.
  • Estimated sale value ~$212,100 based on filing price reference.
  • Sale is executed through UBS Financial Services Inc.
  • Filing date: 05/19/2026; same day as option exercise.

Financial Impact

~$212K sale, ~0.008% of $2.5B market cap

insider holdings

Risk Factors

  • Insider selling ahead of earnings or material news not disclosed here.
  • Potential for additional sales if this is part of a 10b5-1 plan.

Market Snapshot

Exchange
Nasdaq
Sector
Miscellaneous Electrical Machinery, Equipment & Supplies
Analyst Consensus
47% bullish (15 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001969223-26-000574
Document: 0001969223-26-000574-index.html0001969223-26-000574
Document: 0001969223-26-000574.txt0001969223-26-000574
38 reports for EOSE
Performance horizon
67% Hit rate @ T+5 10 of 15 directional calls Went positive at some point 12 of 15 best @ T+60▲ +49.88%May 13, 2026
Filters
Rows
Reports for EOSE — sortable, filterable
TypeNow
Oct 19, 2026
7d ago
8-K
MIXED ★ 5/10
$1.81 $1.62▼ −10.50%▼ −10.35%$1.62 (−10.50%)
Oct 19, 2026
7d ago
Press Release
BEARISH ★ 6/10
$1.81 $1.70▲ +6.35%▲ +6.21%$1.62 (+10.50%)
Sep 16, 2026
5w ago
144
NEUTRAL ★ 2/10
$3.98 $3.25▼ −18.47%▼ −19.07%$1.62 (−59.30%)
Sep 15, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$4.07 $4.06▲ +0.25%▲ +2.61%$1.62 (+60.20%)
Sep 15, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$4.07 $4.06▼ −0.25%▼ −2.36%$1.62 (−60.20%)
Sep 14, 2026
6w ago
8-K
NEUTRAL ★ 4/10
$3.82 $4.07▲ +6.54%▲ +6.44%$1.62 (−57.59%)
Aug 27, 2026
8w ago
Press Release
NEUTRAL ★ 4/10
$3.42 $3.61▲ +5.56%▲ +6.33%$1.62 (−52.63%)
Aug 5, 2026
11w ago
8-K
MIXED ★ 6/10
$3.82 $4.24▲ +10.99%▲ +10.64%$1.62 (−57.59%)
Aug 5, 2026
11w ago
Press Release
MIXED ★ 6/10
$3.82 $4.24▲ +10.99%▲ +10.64%$1.62 (−57.59%)
Jul 28, 2026
12w ago
Insider Cluster
NEUTRAL ★ 3/10
$3.14 $3.82▲ +21.66%▲ +16.13%$1.62 (−48.41%)
Showing 10 of 38

US Market Status

Market Closed — Opens Tue (15h 57m)

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Report published May 19, 2026