SLM Student Loan Trust 2013 4
02/06/2026 | Press release | Distributed by Public on 02/06/2026 10:08
Asset-Backed Issuer Distribution Report (Form 10-D)
SLM Student Loan Trust 2013-4
Monthly Servicing Report
Distribution Date 01/26/2026
Collection Period 12/01/2025 - 12/31/2025
Navient Funding, LLC - Depositor
Navient Solutions - Master Servicer and Administrator
Deutsche Bank National Trust Company - Indenture Trustee
Deutsche Bank Trust Company Americas - Eligible Lender Trustee
Navient Funding - Excess Distribution Certificateholder
|
Page 1 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| I. |
Deal Parameters
|
|
A
|
Student Loan Portfolio Characteristics
|
08/15/2013
|
11/30/2025
|
12/31/2025
|
|||||||||
|
|
Principal Balance |
$
|
721,402,856.22
|
$
|
128,832,483.76
|
$
|
126,719,702.82
|
||||||
|
|
Interest to be Capitalized Balance |
12,923,603.00
|
1,491,438.74
|
1,423,655.39
|
|||||||||
|
|
Pool Balance |
$
|
734,326,459.22
|
$
|
130,323,922.50
|
$
|
128,143,358.21
|
||||||
|
|
Specified Reserve Account Balance |
3,744,487.00
|
- N/A -
|
- N/A -
|
|||||||||
|
|
Adjusted Pool (1) |
$
|
738,070,946.22
|
$
|
130,323,922.50
|
$
|
128,143,358.21
|
||||||
|
|
Weighted Average Coupon (WAC)
|
6.28%
|
|
6.94%
|
|
6.94%
|
|
||||||
|
|
Number of Loans |
163,648
|
18,958
|
18,619
|
|||||||||
|
|
Aggregate Outstanding Principal Balance - Tbill |
-
|
-
|
||||||||||
|
|
Aggregate Outstanding Principal Balance - SOFR |
$
|
130,323,922.50
|
$
|
128,143,358.21
|
||||||||
|
|
Pool Factor |
0.174021063
|
0.171109364
|
||||||||||
|
|
Since Issued Constant Prepayment Rate |
(67.43)%
|
|
(68.09)%
|
|
||||||||
(1) The Specified Reserve Account balance is included in the Adjusted Pool until the Pool Balance is less than or equal to 40% of the original pool.
|
B
|
Debt Securities
|
Cusip/Isin
|
12/26/2025
|
01/26/2026
|
|||||||
| A |
|
78448AAA1
|
$
|
108,420,683.27
|
$
|
106,261,924.63
|
|||||
| B |
|
78448AAD5
|
$
|
20,600,000.00
|
$
|
20,600,000.00
|
|||||
|
C
|
Account Balances
|
12/26/2025
|
01/26/2026
|
||||||
|
|
Reserve Account Balance |
$
|
748,897.00
|
$
|
748,897.00
|
||||
|
|
Capitalized Interest Account Balance |
-
|
-
|
||||||
|
|
Floor Income Rebate Account |
$
|
48,780.96
|
$
|
117,968.18
|
||||
|
|
Supplemental Loan Purchase Account |
-
|
-
|
||||||
|
D
|
Asset / Liability
|
12/26/2025
|
01/26/2026
|
||||||
|
|
Adjusted Pool Balance + Supplemental Loan Purchase |
$
|
130,323,922.50
|
$
|
128,143,358.21
|
||||
|
|
Total Notes |
$
|
129,020,683.27
|
$
|
126,861,924.63
|
||||
|
|
Difference |
$
|
1,303,239.23
|
$
|
1,281,433.58
|
||||
|
|
Parity Ratio |
1.01010
|
1.01010
|
||||||
|
Page 2 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| II. |
Trust Activity 12/01/2025 through 12/31/2025
|
| A |
Student Loan Principal Receipts
|
||||
|
Borrower Principal
|
328,448.08
|
||||
|
Guarantor Principal
|
1,390,291.70
|
||||
|
Consolidation Activity Principal
|
785,714.32
|
||||
|
Seller Principal Reimbursement
|
-
|
||||
|
Servicer Principal Reimbursement
|
(0.01)
|
||||
|
Rejected Claim Repurchased Principal
|
-
|
||||
|
Other Principal Deposits
|
-
|
||||
|
Total Principal Receipts
|
$
|
2,504,454.09
|
|||
|
B |
Student Loan Interest Receipts
|
||||
|
Borrower Interest
|
193,020.64
|
||||
|
Guarantor Interest
|
53,525.67
|
||||
|
Consolidation Activity Interest
|
20,112.03
|
||||
|
Special Allowance Payments
|
0.00 | ||||
|
Interest Subsidy Payments
|
0.00 | ||||
|
Seller Interest Reimbursement
|
0.00
|
||||
|
Servicer Interest Reimbursement
|
0.00 |
|
|||
|
Rejected Claim Repurchased Interest
|
0.00
|
||||
|
Other Interest Deposits
|
12,088.87
|
||||
|
Total Interest Receipts
|
$
|
278,747.21
|
|||
| C |
Reserves in Excess of Requirement
|
|
-
|
||
| D |
Investment Income
|
$
|
9,266.43
|
||
|
E
|
Funds Borrowed from Next Collection Period
|
-
|
|||
|
F
|
Funds Repaid from Prior Collection Period
|
-
|
|||
|
G
|
Loan Sale or Purchase Proceeds
|
-
|
|||
|
H
|
Initial Deposits to Collection Account
|
-
|
|||
|
I
|
Excess Transferred from Other Accounts
|
|
- | ||
|
J
|
Other Deposits
|
-
|
|||
|
K
|
Funds Released from Capitalized Interest Account
|
-
|
|||
|
L
|
Less: Funds Previously Remitted:
|
||||
|
Servicing Fees to Servicer
|
-
|
||||
|
Consolidation Loan Rebate Fees to Dept. of Education
|
-
|
||||
|
Floor Income Rebate Fees to Dept. of Education
|
|
- |
|
||
|
Funds Allocated to the Floor Income Rebate Account
|
$
|
(69,187.22)
|
|
||
|
M
|
AVAILABLE FUNDS
|
$
|
2,723,280.51
|
||
|
N
|
Non-Cash Principal Activity During Collection Period
|
$
|
(391,673.15)
|
|
|
|
O
|
Non-Reimbursable Losses During Collection Period
|
$
|
28,825.33
|
||
|
P
|
Aggregate Purchased Amounts by the Depositor, Servicer or Seller
|
|
-
|
||
|
Q
|
Aggregate Loan Substitutions
|
-
|
|||
|
Page 3 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| III. |
2013-4 Portfolio Characteristics
|
|
12/31/2025
|
11/30/2025
|
||||||||||||||||||||||||||||||||
|
Wtd Avg Coupon
|
# Loans
|
Principal
|
% of Principal
|
Wtd Avg Coupon
|
# Loans
|
Principal
|
% of Principal
|
||||||||||||||||||||||||||
|
INTERIM:
|
IN SCHOOL
|
6.77%
|
|
18
|
$
|
153,417.00
|
0.121%
|
|
6.77%
|
|
18
|
$
|
153,417.00
|
0.119%
|
|
||||||||||||||||||
|
|
DEFERMENT |
6.77%
|
|
1,009
|
$
|
7,072,299.42
|
5.581%
|
|
6.78%
|
|
1,065
|
$
|
7,402,190.88
|
5.746%
|
|
||||||||||||||||||
|
REPAYMENT:
|
CURRENT
|
6.94%
|
|
12,676 |
$
|
78,953,316.97 |
62.305%
|
|
6.96%
|
|
12,739 |
$
|
80,191,294.32
|
62.245%
|
|
||||||||||||||||||
|
|
31-60 DAYS DELINQUENT |
6.99%
|
|
651
|
$
|
5,324,244.18
|
4.202%
|
|
6.91%
|
|
686
|
$
|
5,306,974.96
|
4.119%
|
|
||||||||||||||||||
|
|
61-90 DAYS DELINQUENT |
6.92%
|
|
437
|
$
|
3,633,646.32
|
2.867% |
|
7.01% |
|
353
|
$
|
3,051,856.62
|
2.369%
|
|
||||||||||||||||||
|
|
91-120 DAYS DELINQUENT |
7.04%
|
|
236
|
$
|
2,145,424.52
|
1.693%
|
|
6.84% |
|
297
|
$
|
2,210,546.88
|
1.716%
|
|
||||||||||||||||||
|
|
> 120 DAYS DELINQUENT | 6.87% |
|
1,238
|
$
|
9,539,033.24
|
7.528% |
|
6.88%
|
|
1,320 |
$
|
10,693,919.71 |
8.301% |
|
||||||||||||||||||
|
|
|||||||||||||||||||||||||||||||||
|
|
FORBEARANCE |
7.01%
|
|
2,093 |
$
|
17,763,477.90 |
14.018%
|
|
6.96%
|
|
2,191 |
$
|
17,637,505.79
|
13.690%
|
|
||||||||||||||||||
|
|
CLAIMS IN PROCESS |
6.87%
|
|
261
|
$
|
2,134,843.27
|
1.685%
|
|
7.00%
|
|
289
|
$
|
2,184,777.60 |
1.696%
|
|
||||||||||||||||||
|
TOTAL
|
18,619
|
$
|
126,719,702.82
|
100.00%
|
|
18,958
|
$
|
128,832,483.76
|
100.00%
|
|
|||||||||||||||||||||||
* Percentages may not total 100% due to rounding
|
Page 4 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| IV. |
2013-4 Portfolio Characteristics (cont'd)
|
|
12/31/2025
|
11/30/2025
|
|||||||
|
Pool Balance
|
$
|
128,143,358.21
|
$
|
130,323,922.50
|
||||
|
Outstanding Borrower Accrued Interest
|
$
|
6,943,324.64
|
$
|
6,910,690.49
|
||||
|
Borrower Accrued Interest to be Capitalized
|
$
|
1,423,655.39
|
$
|
1,491,438.74
|
||||
|
Borrower Accrued Interest >30 Days Delinquent
|
$
|
761,946.34
|
$
|
745,087.75
|
||||
|
Total # Loans
|
18,619
|
18,958
|
||||||
|
Total # Borrowers
|
5,910
|
6,019
|
||||||
|
Weighted Average Coupon
|
6.94%
|
|
6.94%
|
|
||||
|
Weighted Average Remaining Term
|
195.49
|
194.63
|
||||||
|
Non-Reimbursable Losses
|
$
|
28,825.33
|
$
|
7,427.01
|
||||
|
Cumulative Non-Reimbursable Losses
|
$
|
2,780,390.54
|
$
|
2,751,565.21
|
||||
|
Since Issued Constant Prepayment Rate (CPR)
|
-68.09%
|
|
-67.43%
|
|
||||
|
Loan Substitutions
|
-
|
-
|
||||||
|
Cumulative Loan Substitutions
|
-
|
-
|
||||||
|
Rejected Claim Repurchases
|
-
|
-
|
||||||
|
Cumulative Rejected Claim Repurchases
|
$
|
145,788.07
|
$
|
145,788.07
|
||||
|
Unpaid Primary Servicing Fees
|
-
|
-
|
||||||
|
Unpaid Administration Fees
|
-
|
-
|
||||||
|
Unpaid Carryover Servicing Fees
|
-
|
-
|
||||||
|
Note Principal Shortfall
|
|
-
|
-
|
|||||
|
Note Interest Shortfall
|
-
|
-
|
||||||
|
Unpaid Interest Carryover
|
-
|
-
|
||||||
|
Non-Cash Principal Activity - Capitalized Interest
|
$
|
420,822.99
|
$
|
322,961.38
|
||||
|
Borrower Interest Accrued
|
$
|
721,016.74
|
$
|
706,680.37
|
||||
|
Interest Subsidy Payments Accrued
|
$
|
23,020.96
|
$
|
22,797.09
|
||||
|
Special Allowance Payments Accrued
|
$
|
22,682.71
|
$
|
23,338.59
|
||||
|
Page 5 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| V. |
2013-4 Portfolio Statistics by School and Program
|
|
A
|
LOAN TYPE
|
Weighted
Average Coupon
|
# LOANS
|
$ AMOUNT
|
%*
|
|
|||||||||||
|
|
- GSL (1) - Subsidized |
6.74%
|
|
9,970
|
46,655,083.34
|
36.818%
|
|
||||||||||
|
|
- GSL - Unsubsidized |
6.77%
|
|
8,131
|
66,656,844.51
|
52.602%
|
|
||||||||||
|
|
- PLUS (2) Loans |
8.47%
|
|
518
|
13,407,774.97
|
10.581%
|
|
||||||||||
|
|
- SLS (3) Loans |
0.00%
|
|
0
|
-
|
0.000%
|
|
||||||||||
|
|
- Consolidation Loans |
0.00%
|
|
0
|
-
|
0.000%
|
|
||||||||||
|
|
Total |
6.94%
|
|
18,619
|
$
|
126,719,702.82
|
100.000%
|
|
|||||||||
|
B
|
SCHOOL TYPE
|
Weighted
Average Coupon
|
# LOANS
|
$ AMOUNT
|
%*
|
|
|||||||||||
|
|
- Four Year |
6.95%
|
|
16,382
|
116,852,261.60
|
92.213%
|
|
||||||||||
|
|
- Two Year |
6.78%
|
|
1,806
|
7,900,080.71
|
6.234%
|
|
||||||||||
|
|
- Technical |
6.82%
|
|
431
|
1,967,360.51
|
1.553%
|
|
||||||||||
|
|
- Other |
0.00%
|
|
0 | - |
0.000%
|
|
||||||||||
|
|
Total |
6.94%
|
|
18,619
|
$
|
126,719,702.82
|
100.000%
|
|
|||||||||
*Percentages may not total 100% due to rounding.
|
(1)
|
Guaranteed Stafford Loan
|
|
(2)
|
Parent Loans for Undergraduate Students
|
|
(3)
|
Supplemental Loans to Students. The Unsubsidized Stafford Loan program replaced the SLS program on July 1, 1994.
|
|
Page 6 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| VI. |
2013-4 Waterfall for Distributions
|
|
Paid
|
Remaining
Funds Balance
|
||||||||
|
Total Available Funds
|
$
|
2,723,280.51
|
|||||||
|
A |
Trustee Fees |
- |
$ |
2,723,280.51
|
|||||
|
B |
Primary Servicing Fee
|
$ |
30,497.61
|
$ |
2,692,782.90
|
||||
|
C |
Administration Fee
|
$
|
6,667.00
|
$
|
2,686,115.90
|
||||
|
D |
Class A Noteholders' Interest Distribution Amount
|
$
|
423,740.47
|
$
|
2,262,375.43
|
||||
|
E |
Class B Noteholders' Interest Distribution Amount
|
$
|
97,362.91
|
$
|
2,165,012.52
|
||||
|
F |
Reserve Account Reinstatement
|
- |
$
|
2,165,012.52
|
|||||
|
G |
Class A Noteholders' Principal Distribution Amount
|
$
|
2,158,758.64
|
$ |
6,253.88
|
||||
|
H |
Class B Noteholders' Principal Distribution Amount
|
- | $ |
6,253.88
|
|||||
|
I |
Unpaid Expenses of The Trustees
|
-
|
$ |
6,253.88
|
|||||
|
J |
Carryover Servicing Fee
|
-
|
$ |
6,253.88
|
|||||
|
K |
Remaining Amounts to the Noteholders after the first auction date
|
-
|
$ |
6,253.88
|
|||||
|
L |
Excess Distribution Certificateholder
|
$ |
6,253.88 |
- | |||||
|
Waterfall Triggers
|
|||||
| A |
Student Loan Principal Outstanding
|
$
|
126,719,702.82
|
||
| B |
Interest to be Capitalized
|
$
|
1,423,655.39
|
||
| C |
Capitalized Interest Account Balance
|
-
|
|||
| D |
Reserve Account Balance (after any reinstatement)
|
$
|
748,897.00
|
||
|
E
|
Less: Specified Reserve Account Balance
|
$
|
(748,897.00)
|
|
|
|
F
|
Total
|
$
|
128,143,358.21
|
||
|
G
|
Class A Notes Outstanding (after application of available funds)
|
$
|
106,261,924.63
|
||
|
H
|
Insolvency Event or Event of Default Under Indenture
|
N |
|
||
|
I
|
Available Funds Applied to Class A Noteholders' Distribution Amount Before Any Amounts are Applied to the Class B Noteholders' Distribution Amount (G>F or H=Y)
|
N |
|
||
|
Page 7 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| VII. |
2013-4 Distributions
|
Distribution Amounts
| A |
|
B |
|
|||||
|
Cusip/Isin
|
78448AAA1
|
78448AAD5
|
||||||
|
Beginning Balance
|
$
|
108,420,683.27
|
$
|
20,600,000.00
|
||||
|
Index
|
SOFR
|
SOFR
|
||||||
|
Spread/Fixed Rate
|
0.55%
|
|
1.50%
|
|
||||
|
Record Date (Days Prior to Distribution)
|
1 NEW YORK BUSINESS DAY
|
1 NEW YORK BUSINESS DAY
|
||||||
|
Accrual Period Begin
|
12/26/2025
|
12/26/2025
|
||||||
|
Accrual Period End
|
1/26/2026
|
1/26/2026
|
||||||
|
Daycount Fraction
|
0.08611111
|
0.08611111
|
||||||
|
Interest Rate*
|
4.53867%
|
|
5.48867%
|
|
||||
|
Accrued Interest Factor
|
0.003908299
|
0.004726355
|
||||||
|
Current Interest Due
|
$
|
423,740.47
|
$
|
97,362.91
|
||||
|
Interest Shortfall from Prior Period Plus Accrued Interest
|
-
|
-
|
||||||
|
Total Interest Due
|
$
|
423,740.47
|
$
|
97,362.91
|
||||
|
Interest Paid
|
$
|
423,740.47
|
$
|
97,362.91
|
||||
|
Interest Shortfall
|
-
|
-
|
||||||
|
Principal Paid
|
$
|
2,158,758.64
|
-
|
|||||
|
Ending Principal Balance
|
$
|
106,261,924.63
|
$
|
20,600,000.00
|
||||
|
Paydown Factor
|
0.002973497
|
0.000000000
|
||||||
|
Ending Balance Factor
|
0.146366287
|
1.000000000
|
||||||
* Pay rates for Current Distribution. For the interest rates applicable to the next distribution date, please see https://images.navient.com/investors/data/abrate.txt.
|
Page 8 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
| VIII. |
2013-4 Reconciliations
|
|
A
|
Principal Distribution Reconciliation
|
||||
|
|
Notes Outstanding Principal Balance |
$
|
129,020,683.27
|
||
|
|
Adjusted Pool Balance |
$
|
128,143,358.21
|
||
|
|
Overcollateralization Amount |
$
|
1,281,433.58
|
||
|
|
Principal Distribution Amount |
$
|
2,158,758.64
|
||
|
|
Principal Distribution Amount Paid |
$
|
2,158,758.64
|
||
|
B
|
Reserve Account Reconciliation
|
||||
|
|
Beginning Period Balance |
$
|
748,897.00
|
||
|
|
Reserve Funds Utilized |
0.00
|
|||
|
|
Reserve Funds Reinstated |
0.00
|
|||
|
|
Balance Available |
$
|
748,897.00
|
||
|
|
Required Reserve Acct Balance |
$
|
748,897.00
|
||
|
|
Release to Collection Account |
|
-
|
||
|
|
Ending Reserve Account Balance |
$
|
748,897.00
|
||
|
C
|
Floor Income Rebate Account
|
||||
|
|
Beginning Period Balance |
$
|
48,780.96
|
||
|
|
Deposits for the Period |
$
|
69,187.22
|
||
|
|
Release to Collection Account |
|
- |
|
|
|
|
Ending Balance |
$
|
117,968.18
|
||
|
D
|
Supplemental Purchase Account
|
||||
|
|
Beginning Period Balance |
-
|
|||
|
|
Supplemental Loan Purchases |
-
|
|||
|
|
Transfers to Collection Account |
-
|
|||
|
|
Ending Balance |
-
|
|||
|
Page 9 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 12/01/2025 - 12/31/2025, Distribution Date 01/26/2026
|
SLM Student Loan Trust 2013 4 published this content on February 06, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on February 06, 2026 at 16:08 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]