Jeanne Quirk

Jeanne Quirk: Director at Axcelis Technologies. What Jeanne Quirk 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)

Jeanne Quirk holds 11,400 Axcelis Technologies shares (0.04% of the company), worth about $1.5M at the last price, according to the Form 4 of May 19, 2026.

• Shares held: 11,400 (0.04%), $1.5M — Held in their own name.

Declarations

• Axcelis Technologies (ACLS) — Form 4 of May 19, 2026: open-market sale of 1,789 at $140.22; 11,400 shares after 0001908822-26-000004
• Axcelis Technologies (ACLS) — Form 4 of May 15, 2026: grant or award of 1,440; 13,189 shares after 0001908822-26-000002
• Axcelis Technologies (ACLS) — Form 4 of May 15, 2025: grant or award of 3,586; 11,749 shares after 0001415889-25-013217

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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