Tatnall Christopher — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

Tatnall Christopher has filed 3 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $175K.

Profile

Tatnall Christopher

Christopher Tatnall is the Executive Vice President of Global Customer Operations at Axcelis Technologies Inc, a company specializing in semiconductor manufacturing equipment. He has been involved in the company's operations and customer relations, contributing to its growth in the semiconductor industry.

RoleInsider
Notability30/100

Board memberships

Awards & honors

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-21ACLSAXCELIS TECHNOLOGIES INCS — Open-market sale1.2K$149.75$175K
2026-05-19ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture170$155.18$26K
2026-05-19ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture345$155.18$54K
2026-05-19ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture744$155.18$115K
2026-05-19ACLSAXCELIS TECHNOLOGIES INCA — Grant or award3.5K$0.00
2026-05-19ACLSAXCELIS TECHNOLOGIES INCA — Grant or award3.5K$0.00
2026-04-21ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture907$131.02$119K
2026-03-03ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture1.1K$86.58$97K
2025-09-15ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture137$87.30$12K
2025-05-15ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture170$62.67$11K
2025-05-15ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture345$62.67$22K
2025-05-15ACLSAXCELIS TECHNOLOGIES INCA — Grant or award6.1K$0.00
2025-05-15ACLSAXCELIS TECHNOLOGIES INCA — Grant or award6.1K$0.00
2025-04-21ACLSAXCELIS TECHNOLOGIES INCF — Tax withholding / forfeiture907$45.23$41K

Companies — Last 90 Days

Frequently Asked Questions

Who is Tatnall Christopher?

Christopher Tatnall is the Executive Vice President of Global Customer Operations at Axcelis Technologies Inc, a company specializing in semiconductor manufacturing equipment. He has been involved in the company's operations and customer relations, contributing to its growth in the semiconductor industry.…

How many SEC Form 4 filings has Tatnall Christopher submitted recently?

3 primary Form 4 filings in the last 90 days, covering 1 company.

Has Tatnall Christopher been buying or selling stock?

Recorded transactions: 0 open-market purchases () and 1 open-market sales ($175K) across all tracked filings.

Where can I see all of Tatnall Christopher's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

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