PLAB CLUSTER SEC Filing Analysis

Latest settled — T+20d ⚠ clustered

PLAB ▲ +17.81% at T+20d

SHORT call ✗ call lost -17.81% · α vs SPY -9.27% · entry $43.29 → $51.00

Next anchor: T+60d in 6w

Last close $51.46 (close May 22) · -18.87% from $43.29 entry (call sign-flipped)

Entry anchored
Apr 7, 03:59 PM ET
via Databento tick

T+1d

+2.75%

call -2.75% · α -2.17%

$44.48

settled 7w ago

T+5d

+5.94%

call -5.94% · α -2.42%

$45.86

settled 6w ago

T+20d

+17.81%

call -17.81% · α -9.27%

$51.00

settled 19d ago

T+60d

—

call — · α —

—

in 6w

Price Chart

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Executive Summary

Five corporate insiders at Photronics sold $1.15M worth of shares in open-market transactions over a 7-day period, including significant sales by the CEO and COO. The cluster is dominated by cash sales, with some derivative exercises and tax-related dispositions mixed in.

Key Financial Metrics

Direction

selling

Total Value

$1.1M

Insiders

5

Actionable Insight

The pattern of coordinated selling by C-suite executives and directors—especially the CEO and COO—suggests reduced confidence in near-term valuation or prospects. Traders should monitor upcoming earnings and guidance for signs of softness. While the total value is only ~0.04% of market cap, the concentration among top executives elevates concern.

Key Facts

CEO George Macricostas sold 6,500 shares for $281,000 in an open-market transaction.
SVP/COO Hsueh-Chun Wang sold 11,875 shares for $525,469, the largest individual sale in the cluster.
CFO Eric Rivera sold 1,882 shares for $83,578 and exercised options on 2,000 shares (one transaction at $0 cost, one at $9.78).
Director Lee Kang Jyh sold 5,000 shares for $220,000 and exercised options on 10,000 shares (two separate 5,000-share grants, one at $8.60, one at $0).
VP Zhang Rui sold 1,800 shares for $76,000.
Total open-market sale value: $1.15M (excluding non-cash derivative exercises).

Financial Impact

$1.15M in net open-market sales by insiders over 7 days

insider sentimentownership concentrationinvestor confidence

Risk Factors

Insider selling may signal anticipation of weaker financial results or macro challenges in the semiconductor equipment space.
Multiple derivative exercises suggest option expiration cycles, but concurrent open-market sales amplify bearish interpretation.

Market Snapshot

Exchange

Nasdaq

Sector

Semiconductors & Related Devices

Documents Analyzed

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

Document	Accession Number
CLUSTER Data (Synthetic)	cluster-PLAB-1776292565424

12 reports for PLAB

T+1T+5T+20T+60

38% Hit rate 3 of 8 directional calls best @ T+5▲ +12.81%Feb 25, 2026

Filters

Reports for PLAB — sortable, filterable
	Type				Now
May 14, 2026 9d ago	Press Release NEUTRAL ★ 2/10	$52.04 awaiting T+5	awaiting T+5	—	$51.46 (−1.11%)
May 13, 2026 10d ago	Press Release NEUTRAL ★ 2/10	$51.86 $45.77	▼ −11.74%	▼ −10.59%	$51.46 (−0.77%)
Apr 17, 2026 5w ago	144 NEUTRAL ★ 2/10	$48.38 $52.27	▲ +8.04%	▲ +7.49%	$51.46 (+6.37%)
Apr 13, 2026 5w ago	Insider Cluster BEARISH ★ 6/10	$45.67 $49.28	▼ −7.90%	▼ −4.61%	$51.46 (−12.68%)
Apr 13, 2026 5w ago	Insider Cluster BEARISH ★ 6/10	$45.67 $49.28	▼ −7.90%	▼ −4.61%	$51.46 (−12.68%)
Apr 8, 2026 6w ago	Insider Cluster BEARISH ★ 7/10	$43.29 $45.86	▼ −5.94%	▼ −2.42%	$51.46 (−18.87%)
Apr 8, 2026 6w ago	Insider Cluster BEARISH ★ 6/10	$43.29 $45.86	▼ −5.94%	▼ −2.42%	$51.46 (−18.87%)
Apr 8, 2026 6w ago	Insider Cluster BEARISH ★ 6/10	$43.29 $45.86	▼ −5.94%	▼ −2.42%	$51.46 (−18.87%)
Apr 8, 2026 6w ago	Insider Cluster BEARISH ★ 5/10	$43.29 $45.86	▼ −5.94%	▼ −2.42%	$51.46 (−18.87%)
Apr 1, 2026 7w ago	Insider Cluster BEARISH ★ 5/10	$40.88 $44.48	▼ −8.81%	▼ −5.04%	$51.46 (−25.88%)

US Market Status

Market Closed — Opens Tue (34h 48m)

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