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PeerBasis
Compensation Comparability Determination

Nantucket Preservation Trust Inc

Executive Director / CEO

EIN 043394648
MA · NTEE A80
FY ending 2023-12-31
June 9, 2026

This analysis benchmarks the total compensation of Mary Bergman, Executive Director / CEO ($157,320) against every comparable organization that fit the selection criteria — 120 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 93rd percentile of comparable organizationsabove the 90th percentile — board review recommended

Benchmarked executive: Mary Bergman — reported title “EXECUTIVE DIRECTOR”, a direct title match to the Executive Director / CEO role.

How comparable organizations were selected

120 organizations qualified on sector, size, and geography 120 within the band form the benchmarked peer set.

Distribution of comparable compensation

$3,630 total compensation of comparable organizations → $250,220 $157,320
$29,96810th
$58,58425th
$81,168Median
$104,33475th
$139,67390th
$157,320This org · 93rd
p10$29,968
p25$58,584
p50$81,168
p75$104,334
p90$139,673
$157,320

Comparable organizations

Each figure is Form 990 Part VII columns D + F (reportable pay plus other compensation and benefits; column F may include amounts from related organizations), normalized to MA cost of living (BEA RPP, 2023) and to its filing year (CPI-U); the reported amount is on each linked 990.

OrganizationStateRevenueMatched titleComp
(reported)
Comp
(adjusted)
FY
Rose Island Lighthouse And Fort Hamilton RI$562,907 Executive Director $58,900 $61,047 2024
Norwegian American Genealogical Center WI$562,267 Executive Director $69,963 $78,978 2024
Westcott House Foundation OH$569,082 Executive Director $94,747 $108,470 2024
Texas Heritage Songwriters TX$553,614 Executive Di $30,000 $32,437 2024
Dry Stone Conservancy Inc KY$572,658 Executive Director $71,587 $83,132 2024
🔒 115 more comparable organizations — included in the purchased report

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to MA cost of living and 2023 dollars. Click any organization to verify the figure on ProPublica.

Methodology

Comparable organizations were drawn from electronically filed IRS Form 990 returns and matched on sector (NTEE code), budget (a size-adaptive revenue band that tightens as the organization grows), and geography (same-state first, broadening only when too few peers qualify); every organization within the band forms the peer set. To compare fairly across regions and years, peer compensation is normalized to MA cost of living (BEA Regional Price Parities, 2023) and to the subject's filing year (CPI-U). The figure benchmarked is Form 990 Part VII, Section A, columns D + F — reportable pay plus other compensation, benefits, and deferred amounts (column F may include amounts from related organizations) — with the chief executive matched by role. Related-organization amounts (column E) and institutional trustees are excluded. Full methodology: peerbasis.org/methodology.

Sample, role match & sensitivity

Sensitivity — the subject's percentile under alternative compensation definitions:

BasisSubject percentile
Total compensation (D + F), cost-of-living + inflation adjusted — the PeerBasis default93rd
Total compensation (D + F), as reported (no adjustments)93rd
Reportable pay only (column D), adjusted95th
All sources (D + E + F), adjusted91st

If the percentile moves materially across these definitions, the result is sensitive to methodology choices, and the board should weigh which basis best fits its facts.

Rebuttable presumption of reasonableness · 26 CFR 53.4958-6

Compensation paid by a tax-exempt organization is presumed reasonable — shifting the burden to the IRS — when three requirements are met. This report supplies the comparability data for the second. The board should record the following in its minutes concurrently with its decision:

Ready-to-adopt board minutes — executive compensation

🔒 The complete minutes language — three numbered resolutions pre-filled with this organization, the 120-organization comparison, the date, and the percentile finding, ready to paste into your minutes — is included in the purchased report.

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Sources: IRS Form 990 e-file data (apps.irs.gov); IRS Business Master File (NTEE classification). Every figure traces to an original public filing — click any organization above to verify it on ProPublica. PeerBasis is a service of Prismind Analytics; its methodology is published, was commissioned for independent adversarial review, and discloses its own limitations. This report is comparability data to support a board's good-faith determination under IRC 4958; it is not legal or tax advice. Generated by PeerBasis on June 9, 2026.