Velarion · Company Intelligence
Compensation Brief
Fiscal year 2025 · Filings through 2026-04-17

Prokidney (PROK)

CEO Bruce Culleton was paid $2,956,447 in fiscal year 2025, ↑ up 191.0% from fiscal year 2024 (SEC filing 0001140361-26-015362 ↗): executive and director compensation, incentive-plan design, equity activity, and governance — every figure in this brief is traceable to its exact location in the company’s SEC filing — the document, the section, the page, and the table, linked directly.

$2,956,447 ↑
Bruce Culleton total, FY2025
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CEO pay percentile vs peers
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CEO-to-median pay ratio
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Say-on-pay support, latest vote

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Sample answer — “What is the CEO’s total compensation?”
- Bruce Culleton (Chief Executive Officer), FY2025 total compensation $2,956,447 (base salary $687,738) [exec_comp, SEC accession 0001140361-26-015362, filed 2026-04-17]

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PROK's next annual pay disclosure, estimated April 17, 2027.est. Filing ↗

01

Summary Compensation Table — fiscal year 2025

Named executive officerSalaryBonusStock awardsOption awardsNon-equity incentivePension / NQDCAll otherTotal
Bruce Culleton$687,738$0$0$1,775,166$478,080$0$15,463$2,956,447
Chief Executive Officer
Todd Girolamo466,15300642,460243,000015,9491,367,562
Chief Legal Officer
James Coulston465,92300642,460243,000015,9491,367,332
Chief Financial Officer

A dash means the company reported no figure in that column; 0 means it reported zero. Figures are as printed in the filing, without adjustment.

Three-year trend — total compensation per named executive

Named executive officerFY2025 totalFY2024 totalFY2023 totalΔ FY2024→2025
Bruce Culleton$2,956,447$1,015,802—↑ +1,940,645
Todd Girolamo1,367,5621,260,899—↑ +106,663
James Coulston1,367,332950,127—↑ +417,205

Prior-year totals as disclosed in the corresponding proxy; deltas are computed values with the derivation shown in the register.

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Companies that benchmark against PROK
No companies currently name PROK as a compensation peer in their most recent disclosure.

This is the complete answer, not a partial one — the list is never padded.

01b

Executives — the named officers

One page per officer: the same table above, read for one person at a time — his own figure and every fiscal year the register holds.

ExecutiveRoleFY2025 total
Bruce CulletonCEO$2,956,447
James CoulstonCFO$1,367,332
Todd GirolamoGeneral Counsel$1,367,562
01c

Board of directors

One page per director: the seat, the committees and the fee table, read for one person at a time.

DirectorRoleFY2025 total
Alan M. Lotvin, M.DIndependent Director$143,383
Brian J.G. Pereira, M.DIndependent Director$139,383
Jennifer FoxIndependent Director$132,383
José Ignacio Jiménez SantosIndependent Director$117,383
Pablo LegorretaChair of the Board$144,633
Uma Sinha, Ph.DIndependent Director$124,883
William F. DoyleLead Independent Director$129,883
02

Equity transactions since the proxy statement was filed

No insider equity transactions reported since the proxy statement.

04

Outstanding equity awards at fiscal year-end 2025

ExecutiveAwardShares unvestedExercise priceMarket value unvested
James CoulstonRSU88,287—$197,763
Todd GirolamoRSU81,929—183,521
Bruce CulletonOption1,459,2501.23—
Bruce CulletonOption1,000,0001.69—
Bruce CulletonOption202,08413.08—
Todd GirolamoOption528,1251.23—
Todd GirolamoOption168,7501.61—
Todd GirolamoOption29,3431.61—
Todd GirolamoOption78,5428.43—
Todd GirolamoOption145,16610.33—
James CoulstonOption528,1251.23—
James CoulstonOption154,6881.61—
James CoulstonOption78,5428.43—
James CoulstonOption67,74410.33—
05

Incentive-plan design — the Compensation Discussion & Analysis

The Talent and Compensation Committee seeks to provide compensation that is competitive in light of current market conditions and industry practices, using market data from peer companies and compensation surveys to guide levels and program targets. The Committee also considers factors such as the criticality of each executive officer’s role, depth and breadth of experience, internal equity, performance, retention concerns, and relevant compensation trends.

CEO STI target (% of salary)—
CEO LTI target (% of salary)—
Independent consultantFW Cook
Clawback policytrue
Anti-hedging—
Anti-pledging—
06

Say-on-pay — recent advisory votes

Meeting yearMeeting dateForAgainstAbstainSupportOutcome
20262026-05-28—————

Rows are labeled by annual-meeting year, with the meeting date beside each; the vote held in a given year acts on the prior fiscal year's compensation.

Say-on-pay — history, company's computation

Meeting yearMeeting dateApproval — company's computation
20262026-05-28—a

a. Voting standard not stated in the filing.

Approval percentages are the company's own reported computations under its own stated standard, not recomputed by Velarion. Where a company does not state a standard, none is assumed.

08

Director compensation — fiscal year 2025

DirectorCash feesStock awardsOption awardsNon-equity incentiveAll otherTotal
Pablo LegorretaNot independent · Board Chair · Research & Development$72,250—$72,383——$144,633
Alan M. Lotvin, M.DIndependent · Audit · Compensation (Chair)71,000—72,383——143,383
Brian J.G. Pereira, M.DIndependent · Nominating and Corporate Governance · Audit · Research & Development (Chair)67,000—72,383——139,383
Jennifer FoxIndependent · Audit (Chair)60,000—72,383——132,383
William F. DoyleIndependent · Lead Independent Director · Nominating and Corporate Governance (Chair) · Compensation57,500—72,383——129,883
Uma Sinha, Ph.DIndependent · Compensation · Research & Development52,500—72,383——124,883
José Ignacio Jiménez SantosIndependent · Nominating and Corporate Governance45,000—72,383——117,383
Bruce Culleton, M.DEmployee director · Research & Development—————0
09

Board fee structure and ownership guideline

Annual cash retainer$42,500
Annual equity retainer—
Per board meeting fee—
Committee chair fees (audit / comp / nom-gov)20,000 / 15,000 / 10,000
Stock ownership guideline—
09b

Total cost of the board

ComponentFY2025
Cash retainers and fees$425,250
Equity awards (grant-date value)$0
All other compensation$0
Total cost of the board$425,250

Computed as the sum of the director compensation table rows above; inputs and formula shown in the register.

10b

Chief executive pay against the peer group

Most recent fiscal-year chief executive compensation at each disclosed peer, taken from that company's own proxy statement.

RankCompanyFYChief executiveSalaryStock awardsOption awardsNon-equity incentiveTotal
1Prokidney2025Bruce Culleton$687,738$0$1,775,166$478,080$2,956,447

Each peer's compensation is from its most recently filed proxy; fiscal years differ by company. Each peer's figures come from its own filings; the subject company is highlighted. Peers whose chief executive compensation is outside our coverage universe are stated as such, never left blank.

10d

Frequently asked questions

Who was the highest-paid executive at Prokidney in fiscal 2025?
As disclosed, Bruce Culleton (Chief Executive Officer) was the highest-paid executive at Prokidney in fiscal 2025, with total compensation of $2,956,447.
How much does Prokidney spend in total on board compensation for fiscal 2025?
As disclosed, Prokidney reported total board compensation of $425,250 for fiscal 2025.

Answers are drawn only from the figures disclosed in this brief and cited to their location in the source filing. Where a figure required for an answer is not disclosed, that is stated rather than estimated.

11

Source register

Each figure's location is given both for the eye (section · page · table · row · column) and for a script (table/row/column index and exact character span in the filed document). Any figure can be independently confirmed against the source.

#SupportsDocumentFiledAccessionLocation in document
1Section 01, Bruce CulletonDEF 14A2026-04-170001140361-26-015362Section “Executive Compensation”. As printed: 2,956,447. Filing ↗machine: r2 · c18 · span 319686–319695
2Section 01, Todd GirolamoDEF 14A2026-04-170001140361-26-015362Section “Executive Compensation”. As printed: 1,367,562. Filing ↗machine: r4 · c18 · span 326488–326497
3Section 01, James CoulstonDEF 14A2026-04-170001140361-26-015362Section “Executive Compensation”. As printed: 1,367,332. Filing ↗machine: r6 · c18 · span 333323–333332
4Section 08, Pablo LegorretaDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 144,633. Filing ↗machine: span 497861–498040
5Section 08, Alan M. Lotvin, M.DDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 143,383. Filing ↗machine: span 501585–501764
6Section 08, Brian J.G. Pereira, M.DDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 139,383. Filing ↗machine: span 503318–503497
7Section 08, Jennifer FoxDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 132,383. Filing ↗machine: span 508997–509175
8Section 08, William F. DoyleDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 129,883. Filing ↗machine: span 499586–499765
9Section 08, Uma Sinha, Ph.DDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 124,883. Filing ↗machine: span 505313–505492
10Section 08, José Ignacio Jiménez SantosDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 117,383. Filing ↗machine: span 507059–507281
11Section 08, Bruce Culleton, M.DDEF 14A2026-04-170001140361-26-015362Section “Director Compensation”. As printed: 0. Filing ↗
12Section 06, 2026 voteForm 8-K2026-04-170001140361-26-015362Item 5.07 · say-on-pay result. As reported: —. Filing ↗
13Section 01 trend, Δ column (computed)Computed——Δ = current-FY total − prior-FY total per named officer.machine: formula: Δ = FY(n) − FY(n−1)
14Section 09b board cost (computed)Computed——Cash 425,250 + equity 0 + all other 0 = 425,250, summed across the director compensation table rows.machine: formula: Σ = 425,250
15Prokidney (subject), Section 10b CEO totalDEF 14A2026-04-170001140361-26-015362CEO total compensation as printed in Prokidney's own proxy. As printed: 2,956,447. Filing ↗machine: r2 · c18 · span 319686–319695

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