Exhibit 99.1
MONTHLY SERVICER'S CERTIFICATE
CARMAX BUSINESS SERVICES, LLC
CARMAX AUTO OWNER TRUST
SERIES 2025-4
Collection Period02/01/26-02/28/26
Determination Date3/9/2026
Distribution Date3/16/2026
Additional information, including defined terms, can be found in the prospectus on the SEC's EDGAR system (http://www.sec.gov) under File No. 333-288943-02.




Pool Balance
1.Pool Balance on the close of the last day of the preceding Collection Period$1,149,875,931.94 
2.Collections allocable to Principal$34,171,222.95 
3.Purchase Amount allocable to Principal$0.00 
4.Defaulted Receivables$1,159,591.93 
5.Pool Balance on the close of the last day of the related Collection Period$1,114,545,117.06 
(Ln1 - Ln2 - Ln3 - Ln4)
6.Total number of Receivables outstanding on the close of the last day of the related Collection Period57,360 
7.Initial Pool Balance$1,306,541,242.59 
Beginning of PeriodEnd of Period
8.Note Balances
a. Class A-1 Note Balance
$84,843,225.73 $49,512,410.85 
b. Class A-2a Note Balance$315,000,000.00 $315,000,000.00 
c. Class A-2b Floating Rate Note Balance$142,400,000.00 $142,400,000.00 
d. Class A-3 Note Balance$457,400,000.00 $457,400,000.00 
e. Class A-4 Note Balance$91,430,000.00 $91,430,000.00 
f. Class B Note Balance$23,520,000.00 $23,520,000.00 
g. Class C Note Balance$15,680,000.00 $15,680,000.00 
h. Class D Note Balance$13,070,000.00 $13,070,000.00 
i. Note Balance (sum a - h)$1,143,343,225.73 $1,108,012,410.85 
9.Pool Factors
a. Class A-1 Note Pool Factor0.3513177 0.2050203 
b. Class A-2a Note Pool Factor1.0000000 1.0000000 
c. Class A-2b Floating Rate Note Pool Factor1.0000000 1.0000000 
d. Class A-3 Note Pool Factor1.0000000 1.0000000 
e. Class A-4 Note Pool Factor1.0000000 1.0000000 
f. Class B Note Pool Factor1.0000000 1.0000000 
g. Class C Note Pool Factor1.0000000 1.0000000 
h. Class D Note Pool Factor1.0000000 1.0000000 
i. Note Pool Factor0.8794948 0.8523172 
10.Overcollateralization Target Amount6,532,706.21 
11.Current overcollateralization amount (Pool Balance - Note Balance)6,532,706.21 
12.Weighted Average Coupon9.43 %
13.Weighted Average Original Termmonths66.42 
14.Weighted Average Remaining Termmonths57.33 
15.30 day Average SOFR for the accrual period ending 3/15/20263.65819 %
16.Note Rate applicable to the Class A-2b notes for the interest period ending 3/15/20264.06819 %
Collections
17.Finance Charges:
a. Collections allocable to Finance Charge$8,514,422.57 
b. Liquidation Proceeds allocable to Finance Charge$0.00 
c. Purchase Amount allocable to Finance Charge$0.00 
d. Available Finance Charge Collections (sum a - c)$8,514,422.57 
18.Principal:
a. Collections allocable to Principal$34,171,222.95 
b. Liquidation Proceeds allocable to Principal$448,889.63 
c. Purchase Amount allocable to Principal$0.00 
d. Available Principal Collections (sum a - c)$34,620,112.58 
19.Total Finance Charge and Principal Collections (17d + 18d)$43,134,535.15 
20.Interest Income from Collection Account$106,514.26 
21.Simple Interest Advances$0.00 
22.Available Collections (Ln19 + 20 + 21)$43,241,049.41 



Available Funds
23.Available Collections$43,241,049.41 
24.Reserve Account Draw Amount$0.00 
25.Available Funds$43,241,049.41 
Application of Available Funds
26.Servicing Fee0.15 %
a. Monthly Servicing Fee$958,229.94 
b. Amount Unpaid from Prior Months$0.00 
c. Amount Paid$958,229.94 
d. Shortfall Amount (a + b - c)$0.00 
27.Unreimbursed Servicer Advances$0.00 
28.Successor Servicer and Asset Representations Reviewer Unpaid Expenses and Indemnity Amounts
a. Successor Servicer Unpaid Transition Expenses and Indemnity Amounts (Capped at $175,000 annually)$0.00 
b. Successor Servicer Amount Paid$0.00 
c. Successor Servicer Shortfall Amount (a - b)$0.00 
d. Asset Representations Reviewer Fees, Expenses and Indemnity Amounts (Capped at $175,000 annually)$0.00 
e. Asset Representations Reviewer Amount Paid$0.00 
f. Asset Representations Reviewer Shortfall Amount (d - e)$0.00 
29.Class A Noteholder Interest Amounts
a. Class A-1 Monthly Interest$260,129.33 
b. Additional Note Interest related to Class A-1 Monthly Interest$0.00 
c. Interest Due on Additional Note Interest related to Class A-1 Monthly Interest$0.00 
d. Total Class A-1 Note Interest (sum a - c)$260,129.33 
e. Class A-2a Monthly Interest$1,036,875.00 
f. Additional Note Interest related to Class A-2a Monthly Interest$0.00 
g. Interest Due on Additional Note Interest related to Class A-2a Monthly Interest$0.00 
h. Total Class A-2a Note Interest (sum e - g)$1,036,875.00 
i. Class A-2b Monthly Interest$434,482.69 
j. Additional Note Interest related to Class A-2b Monthly Interest$0.00 
k. Interest Due on Additional Note Interest related to Class A-2b Monthly Interest$0.00 
l. Total Class A-2b Note Interest (sum i - k)$434,482.69 
m. Class A-3 Monthly Interest$1,513,231.67 
n. Additional Note Interest related to Class A-3 Monthly Interest$0.00 
o. Interest Due on Additional Note Interest related to Class A-3 Monthly Interest$0.00 
p. Total Class A-3 Note Interest (sum m - o)$1,513,231.67 
q. Class A-4 Monthly Interest$310,862.00 
r. Additional Note Interest related to Class A-4 Monthly Interest$0.00 
r. Additional Note Interest related to Class A-4 Monthly Interest$0.00 
t. Total Class A-4 Note Interest (sum q - s)$310,862.00 
30.Priority Principal Distributable Amount$0.00 
31.Class B Noteholder Interest Amount
a. Class B Monthly Interest$86,632.00 
b. Additional Note Interest related to Class B Monthly Interest$0.00 
c. Interest Due on Additional Note Interest related to Class B Monthly Interest$0.00 
d. Total Class B Note Interest (sum a - c)$86,632.00 
32.Secondary Principal Distributable Amount$48,108.67 
33.Class C Noteholder Interest Amount
a. Class C Monthly Interest$62,850.67 
b. Additional Note Interest related to Class C Monthly Interest$0.00 
c. Interest Due on Additional Note Interest related to Class C Monthly Interest$0.00 
d. Total Class C Note Interest (sum a - c)$62,850.67 
34.Tertiary Principal Distributable Amount$15,680,000.00 
35.Class D Noteholder Interest Amount
a. Class D Monthly Interest$55,656.42 
b. Additional Note Interest related to Class D Monthly Interest$0.00 
c. Interest Due on Additional Note Interest related to Class D Monthly Interest$0.00 
d. Total Class D Note Interest (sum a - c)$55,656.42 



36.Quaternary Principal Distributable Amount$13,070,000.00 
37.Required Payment Amount (Ln 26 + Ln 28 + (sum of Ln 29 through Ln 36))$33,517,058.39 
38.Reserve Account Deficiency$0.00 
39.Regular Principal Distributable Amount$6,532,706.21 
40.Remaining Unpaid Servicer Transition Expenses and Additional Servicing Fees, if any$0.00 
41.Remaining Unpaid Trustee and Asset Representations Reviewer Fees, Expenses and Indemnity Amounts, if any
a. Remaining Unpaid Trustee Fees, Expenses and Indemnity Amounts$0.00 
b. Remaining Unpaid Asset Representations Reviewer Fees, Expenses and Indemnity Amounts$0.00 
42.Remaining Unpaid Successor Servicer Indemnity Amounts, if any$0.00 
Collection Account Activity0.15 %
43.Deposits
a. Total Daily Deposits of Finance Charge Collections$8,514,422.57 
b. Total Daily Deposits of Principal Collections$34,620,112.58 
c. Withdrawal from Reserve Account$0.00 
d. Interest Income$106,514.26 
e. Total Deposits to Collection Account (sum a - d)$43,241,049.41 
44.Withdrawals
a. Servicing Fee and Unreimbursed Servicer Advances$958,229.94 
b. Successor Servicer Transition Expenses and Indemnity Amounts$0.00 
c. Deposit to Note Payment Account for Monthly Note Interest/Principal$39,091,534.66 
d. Deposit to Reserve Account$0.00 
e. Excess Collections (Deposit to Certificate Payment Account for payment to Certificateholder)$3,191,284.81 
f. Total Withdrawals from Collection Account (sum a - e)$43,241,049.41 
Note Payment Account Activity
45.Deposits
a. Class A-1 Interest Distribution$260,129.33 
b. Class A-2a Interest Distribution$1,036,875.00 
c. Class A-2b Interest Distribution$434,482.69 
d. Class A-3 Interest Distribution$1,513,231.67 
e. Class A-4 Interest Distribution$310,862.00 
f. Class B Interest Distribution$86,632.00 
g. Class C Interest Distribution$62,850.67 
h. Class D Interest Distribution$55,656.42 
i. Class A-1 Principal Distribution$35,330,814.88 
j. Class A-2a Principal Distribution$0.00 
k. Class A-2b Principal Distribution$0.00 
l. Class A-3 Principal Distribution$0.00 
m. Class A-4 Principal Distribution$0.00 
n. Class B Principal Distribution$0.00 
o. Class C Principal Distribution$0.00 
p. Class D Principal Distribution$0.00 
q. Total Deposits to Note Payment Account (sum a - p)$39,091,534.66 
46.Withdrawals
a. Class A-1 Distribution$35,590,944.21 
b. Class A-2a Distribution$1,036,875.00 
c. Class A-2b Distribution$434,482.69 
d. Class A-3 Distribution$1,513,231.67 
e. Class A-4 Distribution$310,862.00 
f. Class B Distribution$86,632.00 
g. Class C Distribution$62,850.67 
h. Class D Distribution$55,656.42 
i. Total Withdrawals from Note Payment Account (sum a - h)$39,091,534.66 



Certificate Payment Account Activity
47.Deposits to Certificate Payment Account from Excess Collections$3,191,284.81 
48.Withdrawals from Certificate Payment Account for Certificateholder Distribution$3,191,284.81 
Required Reserve Account Amount0.15 %
49.Required Reserve Account Amount (1.00% of Initial Pool Balance)$3,266,353.11 
Reserve Account Reconciliation
50.Beginning Balance (as of end of preceding Distribution Date)$3,266,353.11 
51.Investment Earnings$9,015.94 
52.Reserve Account Draw Amount$0.00 
53.Reserve Account Amount (Ln 50 + Ln 51 - Ln 52)$3,275,369.05 
54.Deposit from Available Funds (Ln 44d)$0.00 
55.If Reserve Account Balance exceeds Required Reserve Account Amount, payment to
a. the Note Payment Account for the payment of principal to the extent of any unfunded Regular Principal Distribution Amount; and$0.00 
b. any Successor Servicer for the payment of any unfunded Transition Costs and Additional Servicing Fee$0.00 
56.Payment to Depositor if Reserve Account Balance exceeds Required Reserve Account Amount and to the extent no unfunded amounts described in Ln 55 exist$9,015.94 
57.Ending Balance (Ln53 + Ln54 - Ln55 - Ln56)$3,266,353.11 
58.Reserve Account Deficiency (Ln50 - Ln57)$0.00 
Instructions to the Trustee
59.Amount to be deposited from the Reserve Account into the Collection Account$0.00 
60.Amount to be paid to Servicer from the Collection Account$958,229.94 
61.Amount to be deposited from the Collection Account into the Note Payment Account$39,091,534.66 
62.Amount to be deposited from the Collection Account into the Certificate Payment Account$3,191,284.81 
63.Amount to be deposited from the Collection Account into the Reserve Account$0.00 
64.Amount to be deposited from the Reserve Account, if Reserve Account Balance exceeds Required Reserve Account Amount, into
a. the Note Payment Account for any unfunded Regular Principal Distributable Amount$0.00 
b. the Depositor, if no unfunded Regular Principal distributable amount exists$9,015.94 
65.Amount to be paid to Class A-1 Noteholders from the Note Payment Account$35,590,944.21 
66.Amount to be paid to Class A-2a Noteholders from the Note Payment Account$1,036,875.00 
67.Amount to be paid to Class A-2b Noteholders from the Note Payment Account$434,482.69 
68.Amount to be paid to Class A-3 Noteholders from the Note Payment Account$1,513,231.67 
69.Amount to be paid to Class A-4 Noteholders from the Note Payment Account$310,862.00 
70.Amount to be paid to Class B Noteholders from the Note Payment Account$86,632.00 
71.Amount to be paid to Class C Noteholders from the Note Payment Account$62,850.67 
72.Amount to be paid to Class D Noteholders from the Note Payment Account$55,656.42 
73.Amount to be paid to Certificateholders from the Certificate Payment Account with respect to Excess Collections$3,191,284.81 



Delinquency Activity
Number of LoansPrincipal Balance
74.Delinquency Analysis
a. 31 to 60 days past due376$6,533,411.03 
b. 61 to 90 days past due146$2,996,679.59 
c. 91 to 120 days past due51$1,060,550.59 
d. 121 or more days past due0$0.00 
e. Total Past Due (sum a - d)573$10,590,641.21 
f. Delinquent Loans as a percentage of end of period Pool Balance (Ln 74e / Ln 5)0.9502 %
75.Has a Delinquency Trigger Event occurred?No
Loss Activity
Number of LoansPrincipal Balance
76.Defaulted Receivables (charge-offs)52$1,159,591.93 
77.Recoveries44$448,889.63 
78.Net Losses (Ln 76 - Ln 77)$710,702.30 
79.Ratio of Net Losses to Beginning of Period Pool Balance (Ln 78 / Ln 1)0.0618 %
Cumulative Loss Activity
Number of LoansPrincipal Balance
80.Defaulted Receivables (charge-offs)106$2,436,756.01 
81.Recoveries65$818,257.04 
82.Cumulative Net Losses (Ln 80 - Ln 81)$1,618,498.97 
83.Ratio of Cumulative Net Losses to Initial Pool Balance (Ln 82 / Ln 7)0.1239 %
84.Average Net Loss on Defaulted Receivables$15,268.86 
Other Servicing Information
85.Principal Balance of Receivables extended during the Collection Period$3,214,989.53 
86.Pool Balance on the close of the last day of the preceding Collection Period$1,149,875,931.94 
87.Ratio of extensions to pool balance (Ln 85 / Ln 86)0.28 %




IN WITNESS WHEREOF, the undersigned has duly executed this certificate on March 09, 2026
 
CARMAX BUSINESS SERVICES, LLC
 
As Servicer
By:/s/ Greg Dostich
Name:Greg Dostich
Title:Vice President and Treasurer