Christopher Tatnall
Christopher Tatnall: EVP Global Customer Operations at Axcelis Technologies. What Christopher Tatnall holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.
Axcelis Technologies (ACLS)
Christopher Tatnall holds 27,491 Axcelis Technologies shares (0.09% of the company), worth about $3.6M at the last price, according to the Form 4 of Sep 15, 2026.
- Shares held: 27,491 (0.09%), $3.6M — Held in their own name.
Declarations
- Axcelis Technologies (ACLS) — Form 4 of Sep 15, 2026 (EVP Global Customer Operations): shares withheld for tax of 136 at $105.04; 27,491 shares after 0001990732-26-000010
- Axcelis Technologies (ACLS) — Form 4 of May 20, 2026 (EVP Global Customer Operations): open-market sale of 1,166 at $149.75; 27,627 shares after 0001990732-26-000008
- Axcelis Technologies (ACLS) — Form 4 of May 15, 2026 (EVP Global Customer Operations): grant or award of 3,504; grant or award of 3,504; 28,793 shares after 0001990732-26-000006
- Axcelis Technologies (ACLS) — Form 4 of Apr 20, 2026 (EVP Global Customer Operations): shares withheld for tax of 907 at $131.02; 23,044 shares after 0001990732-26-000004
- Axcelis Technologies (ACLS) — Form 4 of Mar 2, 2026 (EVP Global Customer Operations): shares withheld for tax of 1,121 at $86.58; 23,183 shares after 0001990732-26-000002
- Axcelis Technologies (ACLS) — Form 4 of Sep 15, 2025 (EVP Global Customer Operations): shares withheld for tax of 137 at $87.30; 24,304 shares after 0001990732-25-000004
- Axcelis Technologies (ACLS) — Form 4 of May 15, 2025 (EVP Global Customer Operations): grant or award of 6,148; grant or award of 6,148; 24,441 shares after 0001415889-25-013647
- Axcelis Technologies (ACLS) — Form 4 of Apr 21, 2025 (EVP Global Customer Operations): shares withheld for tax of 907 at $45.23; 12,660 shares after 0001415889-25-011152
- Axcelis Technologies (ACLS) — Form 4 of Feb 28, 2025 (EVP Global Customer Operations): shares withheld for tax of 1,146 at $54.79; 13,567 shares after 0001415889-25-006550
- Axcelis Technologies (ACLS) — Form 4 of Sep 16, 2024 (EVP Global Customer Operations): shares withheld for tax of 83 at $98.86; 13,288 shares after 0001415889-24-023523
Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.
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