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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Sewickley Valley Historical Society Harton Semple

Harton Semple

Officer

Board President at Sewickley Valley Historical Society

Fiscal year ended June 30, 2021. Published on January 25, 2026.

$0

2021

Total compensation

Harton Semple has been listed as an employee of Sewickley Valley Historical Society in Form 990 filings since at least fiscal year 2016. Total compensation for Harton Semple has decreased by 100% from 2016 to 2021.

Annual compensation details

$0

Board President

2021

$0

－100%

President

2020

$15,000

President

2019

$15k org

16 hrs/wk

$10,623

－50%

President

Total compensation by year

Compare the compensation of Harton Semple to:

2021

Other employees at Sewickley Valley Historical Society

Amanda Schaffer

Executive Director

$21,795 from orgNo related compNo other comp

Executive Director

$13,991 from orgNo related compNo other comp

Connor Cogswell

Board Vice President

Mary Beth Patorious

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Revisions to this profile

January 25, 2026:

2021 Sewickley Valley Historical Society 990 published

January 24, 2026:

2020 Sewickley Valley Historical Society 990 published

January 24, 2026:

2019 Sewickley Valley Historical Society 990 published

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2017

$11k org

16 hrs/wk

$21,246

Executive Director

2016

$22k org

16 hrs/wk

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2021

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Harton S Semple III

The Education Center at the Watson Institute

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The Watson Institute

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The Watson Institute Friendship Academy

Harton S Semple Jr

Sewickley Cemetery

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Sewickley Cemetery Foundation