AMKR AMKOR TECHNOLOGY, INC.

NEUTRAL Impact: 3/10 Insider Cluster (2 insiders)
Horizon days Filed May 13, 2026 Processed 28d 15h ago
Insider cluster: 2 insiders, $4.9M total
Latest settled — T+5d ⚠ clustered
AMKR ▼ -8.59% at T+5d
NEUTRAL call ✗ call lost -8.59% · α vs SPY -7.87% · entry $72.09 → $65.90
Next anchor: T+20d due yesterday
Currently $82.78 · +14.83% from $72.09 entry
Entry anchored
May 13, 03:59 PM ET
via Databento tick
T+1d
-2.41%
call -2.41% · α -1.19%
$70.35
settled 4w ago
T+5d
-8.59%
call -8.59% · α -7.87%
$65.90
settled 24d ago
T+20d
call — · α —
due yesterday
T+60d
call — · α —
in 8w

Price Chart

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Executive Summary

Two Amkor directors sold a total of $4.87M in open-market sales over a 5-day window, representing 0.027% of the company's $17.9B market cap. The sales follow the company's $1.15B convertible note issuance 10 days prior, and are accompanied by non-cash derivative exercises and stock grants to the same directors. The dollar amount is trivial relative to market cap, and the sales are likely liquidity-driven following the convertible offering.

Key Financial Metrics

Direction
selling
Total Value
$4.9M
Insiders
2

Actionable Insight

The insider sales are immaterial in size and involve only directors, not C-suite executives. The cluster is likely tied to post-offering liquidity planning following the $1.15B convertible note issuance. No bearish signal here — monitor for any C-suite selling in the coming weeks, which would carry more weight.

Key Facts

  • Two directors sold a combined 65,000 shares for $4.87M in open-market sales (May 8 and May 11, 2026).
  • Sales represent 0.027% of Amkor's $17.9B market cap — well below the 0.1% materiality threshold.
  • Both directors also exercised non-cash derivative transactions and received stock grants on May 13, 2026, with zero economic value.
  • The cluster follows Amkor's $1.15B convertible note issuance on May 5, 2026, which included a capped call transaction to reduce dilution.
  • No C-suite executives (CEO, CFO, COO) participated in the selling cluster.

Financial Impact

Total open-market sales of $4.87M, or 0.027% of market cap — immaterial relative to company size.

dilution

Risk Factors

  • If additional C-suite selling emerges in the next 30 days, the pattern would become more concerning.
  • The convertible note conversion price of $106.37 per share represents a 37.6% premium to the May 11 sale price of $77.30, suggesting no imminent dilution concern.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
56% bullish (18 analysts)

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-AMKR-1778877635632
11 reports for AMKR
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for AMKR — sortable, filterable
Type Now
May 21, 2026
22d ago
8-K
BULLISH ★ 7/10
$65.90 $70.58▲ +7.10%▲ +5.50%$82.78 (+25.61%)
May 13, 2026
4w ago
Insider Cluster
NEUTRAL ★ 2/10
$72.09 $65.90▼ −8.59%▼ −7.87%$82.78 (+14.83%)
May 13, 2026
4w ago
Insider Cluster
NEUTRAL ★ 3/10
$72.09 $65.90▼ −8.59%▼ −7.87%$82.78 (+14.83%)
May 5, 2026
5w ago
144
NEUTRAL ★ 2/10
$77.22 $73.45▼ −4.88%▼ −6.01%$82.78 (+7.20%)
May 5, 2026
5w ago
8-K
NEUTRAL ★ 5/10
$77.22 $73.45▼ −4.88%▼ −6.01%$82.78 (+7.20%)
May 5, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$76.71 $73.45▼ −4.25%▼ −6.23%$82.78 (+7.91%)
May 5, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$76.71 $73.45▼ −4.25%▼ −6.23%$82.78 (+7.91%)
May 5, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$76.71 $76.69▼ −0.03%▼ −2.01%$82.78 (+7.91%)
May 5, 2026
5w ago
Insider Cluster
NEUTRAL ★ 2/10
$76.61 $72.09▼ −5.90%▼ −7.36%$82.78 (+8.05%)
May 1, 2026
6w ago
8-K
NEUTRAL ★ 5/10
$71.09 $72.27▲ +1.66%▼ −0.69%$82.78 (+16.44%)
Showing 10 of 11

US Market Status

Market Closed — Opens Mon (49h 41m)

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