Joseph P. Keithley

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Axcelis Technologies Inc., 3 years.

3 years ยท Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Dec 14, 2023 Axcelis Technologies Inc. Open-market sale โˆ’500 $140.50 $70,250
Nov 10, 2023 Axcelis Technologies Inc. Open-market sale โˆ’500 $130.43 $65,215
Jun 12, 2023 Axcelis Technologies Inc. Open-market sale โˆ’500 $181.75 $90,875
Jun 7, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $173.00 $173,000
Jun 6, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $163.50 $163,500
May 25, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $152.21 $152,210
May 18, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $141.77 $141,770
May 18, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $143.09 $143,090
May 17, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $134.50 $134,500
May 16, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $131.00 $131,000
May 15, 2023 Axcelis Technologies Inc. Open-market sale โˆ’2,000 $125.19 $250,380
May 15, 2023 Axcelis Technologies Inc. Open-market sale โˆ’1,000 $127.84 $127,840
May 15, 2023 Axcelis Technologies Inc. Grant or award +1,282 โ€” โ€”
Feb 13, 2023 Axcelis Technologies Inc. Open-market sale โˆ’3,000 $125.68 $377,040
Feb 13, 2023 Axcelis Technologies Inc. Open-market sale โˆ’3,000 $123.36 $370,080

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