SecBot SecBot
144 ·Filed Aug 21, 2026

HYLN

Hyliion Holdings Corp.
BEARISH
Impact 6/10
Horizondays Processed2mo ago SEC0001969223-26-000944
Actionable Insight ▼ Bearish

The massive proposed sale by an officer, valued at ~30% of market cap, is a strong bearish signal. Monitor for actual Form 4 filings confirming the sale; if completed, it would represent a dramatic reduction in insider ownership and likely pressure the stock. Given the company's small market cap and the size of this proposed sale, liquidity and price impact could be severe.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+20d
HYLN ▲ +31.53% at T+20d
SHORT call ✗ call lost -31.53% · α vs SPY -32.06% · entry $3.33 → $4.38
Next anchor: T+60d in 20d
Latest observation: T+44 -86.01% FF3 residual α
Entry = T+0 close
Aug 21, 2026
via day close
T+1d
-5.41%
call +5.41% · α +5.11%
$3.15
settled 2mo ago
T+5d
+5.41%
call -5.41% · α -4.93%
$3.51
settled 2mo ago
T+20d
+31.53%
call -31.53% · α -32.06%
$4.38
settled 5w ago
T+60d
Pending
in 20d

Price Chart

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Executive Summary

Officer Jose Oxholm filed a Form 144 notice of intent to sell up to 50,000 shares of Hyliion common stock, with an estimated aggregate market value of $178,600,000 based on a filing date of August 21, 2026. The shares were acquired from an employee benefit plan on August 20, 2026, and the sale is proposed for cash. This is a single filing by one officer; no batch of multiple distinct insider filings was present — the same accession number was repeated across documents. The proposed sale represents a material portion of the insider's likely holdings and a significant fraction of the company's $602M market cap, but as a Form 144 it signals intent only, not a completed transaction.

Key Facts

  • Officer Jose Oxholm filed a Form 144 to sell up to 50,000 shares of Hyliion common stock.
  • Estimated aggregate market value of the proposed sale: $178,600,000.
  • Shares were acquired from an employee benefit plan on August 20, 2026.
  • The proposed sale is for cash, with UBS Financial Services Inc. as the broker.
  • The filing date is August 21, 2026, and the security is listed on NYSE.
  • The company's market cap is approximately $602M, making the proposed sale value ~30% of market cap.

Financial Impact

Proposed sale of up to 50,000 shares valued at approximately $178.6 million, representing roughly 30% of Hyliion's $602M market cap.

dilutioninsider ownership

Risk Factors

  • Insider selling at this scale could signal lack of confidence in near-term prospects.
  • The proposed sale value (~$178.6M) is enormous relative to the $602M market cap, creating potential for significant price impact if executed.
  • Form 144 is an intent to sell; the actual sale may not occur, but the filing itself is a negative signal.

Market Snapshot

Exchange
NYSE
Sector
Truck & Bus Bodies
Analyst Consensus
78% bullish (9 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 6 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (HYLN) — Batch item 10001969223-26-000944
Document: 0001969223-26-000944-index.html0001969223-26-000944
Document: 0001969223-26-000944.txt0001969223-26-000944
144 Filing (HYLN) — Batch item 40001969223-26-000944
Document: 0001969223-26-000944-index.html0001969223-26-000944
Document: 0001969223-26-000944.txt0001969223-26-000944
6 reports for HYLN
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for HYLN — sortable, filterable
TypeNow
Aug 21, 2026
9w ago
144
BEARISH ★ 6/10
$3.33 $4.38▼ −31.53%▼ −32.06%$3.29 (+1.20%)
Jul 20, 2026
14w ago
GOVT-CONTRACT
NEUTRAL ★ 4/10
$3.88 $3.86▼ −0.52%▼ −3.08%$3.29 (−15.21%)
May 19, 2026
23w ago
144
NEUTRAL ★ 3/10
$4.09 $7.66▲ +87.29%▲ +86.30%$3.29 (−19.56%)
Mar 6, 2026
33w ago
EFFECT
NEUTRAL ★ 4/10
$2.00 $1.70▼ −15.00%▼ −12.96%$3.29 (+64.50%)
Feb 28, 2026
34w ago
Institutional Cluster
BULLISH ★ 6/10
$2.23 $1.66▼ −25.56%▼ −17.62%$3.29 (+47.53%)
Feb 25, 2026
34w ago
S-3
NEUTRAL ★ 4/10
$1.92 $1.89▼ −1.56%▲ +3.67%$3.29 (+71.35%)
Showing 6 of 6

US Market Status

Market Closed — Opens Wed (< 1m)

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Report published Aug 21, 2026