PLAB Photronics, Inc.

NASDAQ
$29.13

Photronics, Inc. (PLAB) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Moderately bearish Selling ran elevated versus PLAB's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 0 sellers in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
7
27 transactions
Purchases
$0
0 shares
Sales
$15.7M
361,144 shares
Net activity
-$15.7M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $15.7M 27 transactions · 361,144 shares

Largest single sale: $4.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

No open-market insider purchase on record.

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
ZHANG RUI VP, CAO & Corporate Controller Sell 4,556 $46.70 $212.8K 27,079 −14.4% of holding
Lee Kang Jyh 2 fills Director Sell 20,000 $45.92 $918.5K 365,850 −5.2% of holding
Lee Kang Jyh Director Sell 10,000 $45.10 $451.0K 375,850 −2.6% of holding
MACRICOSTAS CONSTANTINE S Director Sell 50,000 $45.35 $2.3M None left
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sell 19,250 $45.30 $872.0K 113,560 −14.5% of holding
Lee Kang Jyh Director Sell 5,000 $45.00 $225.0K 385,850 −1.3% of holding
Rivera Eric President, CFO Sell 1,000 $44.77 $44.8K 136,173 −0.7% of holding
Rivera Eric 2 fills President, CFO Sell 41,517 $44.00 $1.8M 176,808 −19% of holding
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sell 11,875 $44.25 $525.5K 132,810 −8.2% of holding
Lee Kang Jyh Director Sell 5,000 $44.00 $220.0K 385,850 −1.3% of holding
MACRICOSTAS GEORGE 3 fills CEO Sell 121,194 $42.94 $5.2M 448,762 −21.3% of holding
Wang Hsueh-Chun SVP/COO IC & US/EU Mnstrm Ops Sell 10,000 $42.69 $426.9K 144,685 −6.5% of holding
Lee Kang Jyh Director Sell 5,000 $43.27 $216.4K 385,850 −1.3% of holding
ZHANG RUI VP, CAO & Corporate Controller Sell 1,752 $43.50 $76.2K 31,635 −5.2% of holding
Lee Kang Jyh Director Sell 5,000 $40.53 $202.7K 385,850 −1.3% of holding
TYSON MITCHELL G Director Sell 10,000 $42.31 $423.1K 33,199 −23.1% of holding
Wang Hsueh-Chun 3 fills SVP/COO IC & US/EU Mnstrm Ops Sell 10,000 $42.08 $420.8K 160,499 −5.9% of holding
Lee Kang Jyh Director Sell 5,000 $42.00 $210.0K 385,850 −1.3% of holding
Lee Kang Jyh Director Sell 5,000 $40.80 $204.0K 385,850 −1.3% of holding
Lee Kang Jyh Director Sell 10,000 $39.00 $390.0K 385,850 −2.5% of holding
Lee Kang Jyh Director Sell 10,000 $35.80 $358.0K 400,850 −2.4% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.