ACLS Axcelis Technologies, Inc.

NASDAQ
$105.31

Axcelis Technologies, Inc. (ACLS) 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.

30D 90D 6M 1Y
Insider signal Bearish Selling ran elevated versus ACLS's own trailing one-year pace, with 27% 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
13
20 transactions
Purchases
$0
0 shares
Sales
$5.9M
39,338 shares
Net activity
-$5.9M
purchases less sales

How much of that selling was preplanned? 27% planned / 73% discretionary

10b5-1 plan sales $1.6M 4 transactions · 11,200 shares
Discretionary sales $4.3M 16 transactions · 28,138 shares

Largest single sale: $1.2M.

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
Sayiner Necip Director Sell 1,586 $157.44 $249.7K 7,112 −18.2% of holding
Mahoney Robert John EVP Global Operations Sell 1,155 $155.24 $179.3K 14,410 −7.4% of holding
Sutton Todd VP Corporate Controller Sell 2,000 $159.99 $320.0K 6,360 −23.9% of holding
Evans Eileen EVP, General Counsel and Sec'y Sell 926 $155.51 $144.0K 31,295 −2.9% of holding
St Dennis Thomas Director Sell 900 $155.37 $139.8K 17,695 −4.8% of holding
Blumenstock Gerald M EVP, Research, Dev. & Eng. Sell 1,161 $152.70 $177.3K 20,493 −5.4% of holding
Tatnall Christopher EVP Global Customer Operations Sell 1,166 $149.75 $174.6K 27,627 −4% of holding
KURTZWEIL JOHN T Director Sell 3,500 $138.79 $485.8K 32,990 −9.6% of holding
GRAVES GREGORY B 2 fills Director Sell 3,225 $141.61 $456.7K 6,073 −34.7% of holding
Quirk Jeanne Director Sell 1,789 $140.22 $250.9K 11,400 −13.6% of holding
Sutton Todd VP Corporate Controller Sell 2,574 $163.89 $421.9K 7,817 −24.8% of holding
Blumenstock Gerald M EVP, Research, Dev. & Eng. Sell 1,015 $162.32 $164.7K 17,293 −5.5% of holding
Redinbo Greg EVP MARKETING AND APPLICATIONS Sell 2,883 $160.85 $463.7K 29,823 −8.8% of holding
Titinger Jorge Director Sell 2,000 $164.14 $328.3K 4,477 −30.9% of holding
Mahoney Robert John EVP Global Operations Sell 2,258 $161.00 $363.5K 12,759 −15% of holding
Low Russell PRESIDENT AND CEO Sell 10b5-1 7,468 $156.75 $1.2M 123,570 −5.7% of holding
Low Russell PRESIDENT AND CEO Sell 10b5-1 1,244 $138.86 $172.7K 131,038 −0.9% of holding
Low Russell PRESIDENT AND CEO Sell 10b5-1 1,244 $94.06 $117.0K 132,282 −0.9% of holding
Low Russell PRESIDENT AND CEO Sell 10b5-1 1,244 $90.00 $112.0K 133,526 −0.9% 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.