Velarion · Company Intelligence
Compensation Brief
Fiscal year 2025 · Filings through 2026-06-11

Korro Bio (KRRO)

CEO Ram Aiyar was paid $3,119,591 in fiscal year 2025, ↑ up 232.2% from fiscal year 2024 (SEC filing 0001193125-26-157895 ↗): 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.

$3,119,591 ↑
Ram Aiyar total, FY2025
—
CEO pay percentile vs peers
30:1
CEO-to-median pay ratio
99.69%
Say-on-pay support, latest vote

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Sample answer — “What is the CEO’s total compensation?”
- Ram Aiyar (Chief Executive Officer, President and Interim Chief Financial Officer), FY2025 total compensation $3,119,591 (base salary $633,200) [exec_comp, SEC accession 0001193125-26-157895, filed 2026-04-16]

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KRRO's next annual pay disclosure, estimated April 16, 2027.est. Filing ↗

01

Summary Compensation Table — fiscal year 2025

Named executive officerSalaryBonusStock awardsOption awardsNon-equity incentivePension / NQDCAll otherTotal
Ram Aiyar$633,200$0$0$2,266,935$208,956$0$10,500$3,119,591
Chief Executive Officer, President and Interim Chief Financial Officer
Kemi Olugemo424,667001,332,10800584,7552,341,530
Former Chief Medical Officer
Vineet Agarwal375,34700794,99900548,9271,719,273
Former Chief Financial Officer
Jeffrey Cerio425,00050,000333,540657,411102,000010,5001,578,451
Senior Vice President, General Counsel and Corporate Secretary
Loïc Vincent361,818155,000172,851757,698115,200010,5001,573,067
Chief Scientific 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
Ram Aiyar$3,119,591$939,075$2,858,230↑ +2,180,516
Kemi Olugemo2,341,5302,730,512—↓ −388,982
Vineet Agarwal1,719,273617,5501,322,891↑ +1,101,723
Jeffrey Cerio1,578,4511,546,330—↑ +32,121
Loïc Vincent1,573,067———

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 KRRO
No companies currently name KRRO 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
Ram AiyarCEO$3,119,591
Jeffrey CerioGeneral Counsel$1,578,451
Kemi OlugemoChief Medical Officer$2,341,530
Loïc VincentChief Scientific Officer$1,573,067
Vineet AgarwalCFO$1,719,273
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
Loïc VincentOption70,00015.95—
Ram AiyarOption8,17720.94—
Ram AiyarOption75,11514.98—
Loïc VincentRSU21,715—173,937
Jeffrey CerioOption22,95933.5—
Jeffrey CerioRSU41,902—335,635
Ram AiyarOption76822.75—
Ram AiyarOption79,16733.5—
Jeffrey CerioOption26,66744.37—
Kemi OlugemoOption39,27150.48—
Kemi OlugemoOption33,25033.5—
05

Incentive-plan design — the Compensation Discussion & Analysis

Our compensation programs are designed to effectively align our executives' interests with the interests of our stockholders by focusing on long-term equity incentives that correlate with the growth of sustainable long-term value for our stockholders.

CEO STI target (% of salary)—
CEO LTI target (% of salary)—
Independent consultantAlpine Rewards LLC
Clawback policytrue
Anti-hedging—
Anti-pledging—
06

Say-on-pay — recent advisory votes

Meeting yearMeeting dateForAgainstAbstainSupportOutcome
20262026-06-109,009,73927,9886,93699.69%Passed
20252025-06-117,972,38913,99911,14599.82%Passed

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
20262026-06-1099.69%a
20252025-06-1199.82%b

a. Voting standard not stated in the filing.

b. 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.

07

CEO pay ratio

Ratio (CEO : median employee)30 : 1
CEO total compensation—
Median employee compensation—
08

Director compensation — fiscal year 2025

DirectorCash feesStock awardsOption awardsNon-equity incentiveAll otherTotal
Nessan BerminghamIndependent · Audit · Compensation (Chair)$87,500—$61,260——$148,760
Timothy PearsonIndependent · Audit (Chair) · Compensation60,000—61,260——121,260
Ali BehbahaniIndependent · Compensation · Nominating and Corporate Governance (Chair)53,000—61,260——114,260
Jean-François FormelaIndependent · Audit · Nominating and Corporate Governance51,500—61,260——112,760
Katharine KnobilIndependent · Compensation45,000—61,260——106,260
Rachel MeyersIndependent · Nominating and Corporate Governance44,000—61,260——105,260
Ram AiyarEmployee director—————0
09

Board fee structure and ownership guideline

Annual cash retainer—
Annual equity retainer—
Per board meeting fee—
Committee chair fees (audit / comp / nom-gov)—
Stock ownership guideline—
09b

Total cost of the board

ComponentFY2025
Cash retainers and fees$341,000
Equity awards (grant-date value)$0
All other compensation$0
Total cost of the board$341,000

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
1Korro Bio2025Ram Aiyar$633,200$0$2,266,935$208,956$3,119,591

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 Korro Bio in fiscal 2025?
As disclosed, Ram Aiyar (Chief Executive Officer, President and Interim Chief Financial Officer) was the highest-paid executive at Korro Bio in fiscal 2025, with total compensation of $3,119,591.
What is Korro Bio's CEO-to-median employee pay ratio?
As disclosed, Korro Bio's CEO-to-median employee pay ratio was 30:1.
How did shareholders vote on Korro Bio's executive compensation?
As disclosed, 99.69% of shareholders supported Korro Bio's executive compensation in the latest say-on-pay vote.
How much does Korro Bio spend in total on board compensation for fiscal 2025?
As disclosed, Korro Bio reported total board compensation of $341,000 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, Ram AiyarDEF 14A2026-04-160001193125-26-157895Section “Executive Compensation”. As printed: 3,119,591. Filing ↗machine: r2 · c31 · span 373768–373777
2Section 01, Kemi OlugemoDEF 14A2026-04-160001193125-26-157895Section “Executive Compensation”. As printed: 2,341,530. Filing ↗machine: span 442716–442725
3Section 01, Vineet AgarwalDEF 14A2026-04-160001193125-26-157895Section “Executive Compensation”. As printed: 1,719,273. Filing ↗machine: span 466589–466598
4Section 01, Jeffrey CerioDEF 14A2026-04-160001193125-26-157895Section “Executive Compensation”. As printed: 1,578,451. Filing ↗machine: span 418822–418831
5Section 01, Loïc VincentDEF 14A2026-04-160001193125-26-157895Section “Executive Compensation”. As printed: 1,573,067. Filing ↗machine: span 406908–406917
6Section 07, pay ratioDEF 14A2024-04-290001193125-24-119912Section “CEO Pay Ratio”. As printed: 30 : 1. Filing ↗
7Section 08, Nessan BerminghamDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 148,760. Filing ↗machine: span 1028772–1028981
8Section 08, Timothy PearsonDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 121,260. Filing ↗machine: span 1052781–1052990
9Section 08, Ali BehbahaniDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 114,260. Filing ↗machine: span 1022771–1022980
10Section 08, Jean-François FormelaDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 112,760. Filing ↗machine: span 1034782–1034991
11Section 08, Katharine KnobilDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 106,260. Filing ↗machine: span 1040782–1040991
12Section 08, Rachel MeyersDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 105,260. Filing ↗machine: span 1046779–1046988
13Section 08, Ram AiyarDEF 14A2026-04-160001193125-26-157895Section “Director Compensation”. As printed: 0. Filing ↗
14Section 06, 2026 voteForm 8-K2026-06-110001193125-26-267741Item 5.07 · say-on-pay result. As reported: 99.69% (votes for as printed: 9,009,739). Filing ↗
15Section 06, 2025 voteForm 8-K2025-06-110000950170-25-084846Item 5.07 · say-on-pay result. As reported: 99.82% (votes for as printed: 7,972,389). Filing ↗
16Section 01 trend, Δ column (computed)Computed——Δ = current-FY total − prior-FY total per named officer.machine: formula: Δ = FY(n) − FY(n−1)
17Section 09b board cost (computed)Computed——Cash 341,000 + equity 0 + all other 0 = 341,000, summed across the director compensation table rows.machine: formula: Σ = 341,000
18Korro Bio (subject), Section 10b CEO totalDEF 14A2026-04-160001193125-26-157895CEO total compensation as printed in Korro Bio's own proxy. As printed: 3,119,591. Filing ↗machine: r2 · c31 · span 373768–373777