Mark Sinclair

Assistant Treasurer at Hollis Brookline Athletic Booster Club

Fiscal year ended June 30, 2025. Published on January 25, 2026.

2025

Total compensation

Mark Sinclair has been listed as an employee of Hollis Brookline Athletic Booster Club in Form 990 filings since fiscal year 2024.

Annual compensation details

Assistant Treasurer

2025

Assistant Treasurer

2024

2025

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Revisions to this profile

January 25, 2026:

2025 Hollis Brookline Athletic Booster Club 990 published

January 25, 2026:

2024 Hollis Brookline Athletic Booster Club 990 published

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