SEC Insider Transactions from Tatnall Christopher.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 14

Tatnall Christopher has filed 14 insider transactions across 1 company since September 2023.

Most recent transaction: a tax payment of 1121 shares of AXCELIS TECHNOLOGIES INC ($ACLS) on March 02, 2026.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 2, 2026 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 1121 $86.58 23,183.0000 31,668,000 4.61% 0.00%
Sept. 15, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 137 $87.30 24,304.0000 31,882,000 0.56% 0.00%
May 15, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 345 $62.67 24,611.0000 32,335,000 1.38% 0.00%
May 15, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 170 $62.67 24,441.0000 32,335,000 0.69% 0.00%
May 15, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations A Common Stock 6148 $0.00 18,808.0000 32,335,000 48.56% 0.02%
May 15, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations A Common Stock 6148 $0.00 24,956.0000 32,335,000 32.69% 0.02%
April 21, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 907 $45.23 12,660.0000 32,335,000 6.69% 0.00%
Feb. 28, 2025 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 1146 $54.79 13,567.0000 32,704,000 7.79% 0.00%
Sept. 16, 2024 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 83 $98.86 13,288.0000 32,771,000 0.62% 0.00%
May 15, 2024 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 103 $112.94 13,371.0000 32,926,000 0.76% 0.00%
May 15, 2024 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations A Common Stock 2849 $0.00 13,474.0000 32,926,000 26.81% 0.01%
May 15, 2024 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations A Common Stock 2849 $0.00 10,625.0000 32,926,000 36.64% 0.01%
April 18, 2024 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations F Common Stock 551 $0.00 7,776.0000 32,926,000 6.62% 0.00%
Sept. 15, 2023 AXCELIS TECHNOLOGIES INC $ACLS Tatnall Christopher EVP Global Customer Operations A Common Stock 1125 $0.00 8,327.0000 33,189,000 15.62% 0.00%