Insider Cluster (2 insiders) ·Filed Aug 19, 2026

AMKR

AMKOR TECHNOLOGY, INC.
NEUTRAL
Impact 2/10
Horizonimmediate Processed1mo ago
Insider cluster: 2 insiders, $353K total
Actionable Insight • Neutral

Insider sales are immaterial in size and follow no suspicious pattern — treat as routine portfolio management. Monitor for any material news (e.g., earnings, guidance, or M&A) that could have prompted the sales, but no immediate trading action is warranted.

DirectionNeutral
Confidencehigh
Horizonimmediate
Latest settled — T+20d
AMKR ▼ -5.78% at T+20d
NEUTRAL call ✗ call lost -5.78% · α vs SPY -3.83% · entry $50.89 → $47.95
Next anchor: T+60d in 6w
Latest observation: T+28 +35.91% FF3 residual α
Entry anchored
Aug 18, 07:59 PM ET
via 1-min bar
T+1d
-0.06%
call -0.06% · α +0.78%
$50.86
settled 6w ago
T+5d
-4.89%
call -4.89% · α -4.51%
$48.40
settled 5w ago
T+20d
-5.78%
call -5.78% · α -3.83%
$47.95
settled 16d ago
T+60d
—
call — · α —
—
in 6w

Price Chart

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Executive Summary

Two Amkor insiders — the EVP & General Counsel and the CFO — sold a combined $353K in open-market shares over a week. The EVP & General Counsel's sale of $299K was paired with derivative exercises (non-cash), while the CFO sold $54K. At 0.003% of Amkor's $13.6B market cap, the dollar value is trivial and routine, consistent with typical insider diversification or tax-planning activity. No bearish signal is warranted.

Key Financial Metrics

Direction
selling
Total Value
$353.4K
Insiders
2

Key Facts

  • EVP & General Counsel Mark N. Rogers sold 5,000 shares at $59.78 for $298,900 on 2026-08-17, paired with derivative exercises (non-cash).
  • CFO Megan Faust sold 1,000 shares at $54.45 for $54,450 on 2026-08-11.
  • Total cluster value of $353K represents ~0.003% of Amkor's $13.6B market cap — well below the 0.1% materiality threshold.
  • No open-market purchases were made by any insider during the window.

Financial Impact

$353K in total insider sales, negligible relative to $13.6B market cap

Risk Factors

  • No material risk identified from this cluster alone.
  • If the company reports negative news in the coming weeks, the sales could be viewed as opportunistic in hindsight.

Market Snapshot

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

Investment Themes

Semiconductors

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-AMKR-1787196577539
20 reports for AMKR
Performance horizon
100% Hit rate 4 of 4 directional calls best @ T+20▲ +42.07%May 21, 2026
Filters
Rows
Reports for AMKR — sortable, filterable
TypeNow
Aug 19, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$50.89 $47.95▼ −5.78%▼ −3.83%$56.08 (+10.20%)
Aug 13, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$57.75 $51.73▼ −10.42%▼ −8.68%$56.08 (−2.89%)
Aug 11, 2026
7w ago
Insider Cluster
NEUTRAL ★ 4/10
$54.30 $51.35▼ −5.43%▼ −4.37%$56.08 (+3.28%)
Aug 7, 2026
8w ago
Insider Cluster
NEUTRAL ★ 3/10
$55.27 $47.77▼ −13.57%▼ −13.17%$56.08 (+1.47%)
Aug 3, 2026
8w ago
Institutional Cluster
BULLISH ★ 6/10
$50.84 $47.30▼ −6.96%▼ −8.20%$56.08 (+10.31%)
Jul 27, 2026
9w ago
8-K
BULLISH ★ 8/10
$45.69 $48.70▲ +6.59%▲ +3.21%$56.08 (+22.74%)
Jul 23, 2026
10w ago
Institutional Cluster
MIXED ★ 5/10
$65.33 $50.86▼ −22.15%▼ −25.46%$56.08 (−14.16%)
Jul 20, 2026
10w ago
Insider Cluster
NEUTRAL ★ 2/10
$62.56 $61.30▼ −2.01%▼ −6.13%$56.08 (−10.36%)
Jul 20, 2026
10w ago
Insider Cluster
NEUTRAL ★ 2/10
$62.56 $61.30▼ −2.01%▼ −6.13%$56.08 (−10.36%)
May 21, 2026
19w ago
8-K
BULLISH ★ 7/10
$65.90 $93.63▲ +42.07%▲ +41.74%$56.08 (−14.90%)
Showing 10 of 20

US Market Status

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Report published Aug 20, 2026