144 ·Filed Aug 27, 2026

ARM

ARM HOLDINGS PLC /UK
NEUTRAL
Impact 2/10
Horizondays Processed1mo ago SEC0001959173-26-006479
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a routine insider sale notice with no material impact. Monitor for any subsequent Form 4 filings to confirm execution, but no trading action is warranted based on this filing alone.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+20d
ARM ▲ +25.90% at T+20d
NEUTRAL call ✓ call won +25.90% · α vs SPY +26.00% · entry $255.21 → $321.31
Next anchor: T+60d in 7w
Latest observation: T+22 +37.89% FF3 residual α
Entry anchored
Aug 27, 09:48 AM ET
via 1-min bar
T+1d
-6.33%
call -6.33% · α -6.11%
$239.05
settled 5w ago
T+5d
-7.97%
call -7.97% · α -7.20%
$234.86
settled 29d ago
T+20d
+25.90%
call +25.90% · α +26.00%
$321.31
settled 7d ago
T+60d
—
call — · α —
—
in 7w

Price Chart

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Executive Summary

Jason Child, an officer of Arm Holdings, filed a Form 144 notice of intent to sell 10,400 American Depositary Shares, valued at approximately $2.66 million based on the filing date. This is a routine insider sale notice, representing a small fraction of the company's $267B market cap, and carries limited signaling value for the stock.

Key Facts

  • Jason Child, an officer of Arm Holdings, filed a Form 144 to sell 10,400 American Depositary Shares.
  • The proposed sale value is approximately $2,655,432 based on the filing date.
  • The shares were acquired through restricted stock vesting and compensation in February and May 2024.
  • The sale is planned for execution on or after August 27, 2026, via Fidelity Brokerage Services LLC.
  • The 10,400 shares represent a negligible portion of Arm's $267.1B market capitalization.

Financial Impact

Proposed sale of 10,400 ADS valued at ~$2.66M, immaterial relative to $267B market cap.

dilution

Risk Factors

  • Insider sale could be perceived negatively by retail investors if executed near earnings or a catalyst.
  • No indication of broader insider selling pattern, but further 144 filings from other officers would be a bearish signal.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
62% bullish (45 analysts)

Investment Themes

Artificial IntelligenceSemiconductors

Documents Analyzed

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

DocumentAccession Number
144 Filing (Primary)0001959173-26-006479
Document: 0001959173-26-006479-index.html0001959173-26-006479
Document: 0001959173-26-006479.txt0001959173-26-006479
12 reports for ARM
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for ARM — sortable, filterable
TypeNow
Aug 27, 2026
5w ago
144
NEUTRAL ★ 2/10
$255.21 $321.31▲ +25.90%▲ +26.00%$306.00 (+19.90%)
Aug 10, 2026
7w ago
6-K
NEUTRAL ★ 2/10
$268.93 $264.23▼ −1.75%▼ −0.69%$306.00 (+13.78%)
Jun 12, 2026
16w ago
Institutional Cluster
MIXED ★ 5/10
$380.81 $323.39▼ −15.08%▼ −16.86%$306.00 (−19.64%)
Jun 4, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$342.93 $322.24▼ −6.03%▼ −7.89%$306.00 (−10.77%)
May 26, 2026
18w ago
Insider Cluster
NEUTRAL ★ 3/10
$302.71 $347.71▲ +14.87%▲ +16.77%$306.00 (+1.09%)
May 26, 2026
18w ago
20-F
BULLISH ★ 7/10
$302.71 $347.71▲ +14.87%▲ +16.77%$306.00 (+1.09%)
May 22, 2026
18w ago
Insider Cluster
NEUTRAL ★ 3/10
$321.22 $351.95▲ +9.57%▲ +11.51%$306.00 (−4.74%)
May 21, 2026
19w ago
Insider Cluster
NEUTRAL ★ 3/10
$306.51 $377.90▲ +23.29%▲ +24.71%$306.00 (−0.17%)
May 20, 2026
19w ago
144
NEUTRAL ★ 2/10
$256.73 $439.46▲ +71.18%▲ +70.44%$306.00 (+19.19%)
May 19, 2026
19w ago
Insider Cluster
NEUTRAL ★ 2/10
$256.73 $439.46▲ +71.18%▲ +70.44%$306.00 (+19.19%)
Showing 10 of 12

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