SLM Student Loan Trust 2013 4
11/07/2025 | Press release | Distributed by Public on 11/07/2025 09:39
Asset-Backed Issuer Distribution Report (Form 10-D)
SLM Student Loan Trust 2013-4
Monthly Servicing Report
Distribution Date 10/27/2025
Collection Period 09/01/2025 - 09/30/2025
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| I. |
Deal Parameters
|
|
A
|
Student Loan Portfolio Characteristics
|
08/15/2013
|
08/31/2025
|
09/30/2025
|
|||||||||
|
|
Principal Balance |
$
|
721,402,856.22
|
$
|
131,063,213.44
|
$
|
130,440,905.05
|
||||||
|
|
Interest to be Capitalized Balance |
12,923,603.00
|
1,389,939.78
|
1,367,618.48
|
|||||||||
|
|
Pool Balance |
$
|
734,326,459.22
|
$
|
132,453,153.22
|
$
|
131,808,523.53
|
||||||
|
|
Specified Reserve Account Balance |
3,744,487.00
|
- N/A -
|
- N/A -
|
|||||||||
|
|
Adjusted Pool(1) |
$
|
738,070,946.22
|
$
|
132,453,153.22
|
$
|
131,808,523.53
|
||||||
|
|
Weighted Average Coupon (WAC)
|
6.28%
|
|
6.94%
|
|
6.94%
|
|
||||||
|
|
Number of Loans |
163,648
|
19,572
|
19,360
|
|||||||||
|
|
Aggregate Outstanding Principal Balance - Tbill |
-
|
-
|
||||||||||
|
|
Aggregate Outstanding Principal Balance - SOFR |
$
|
132,453,153.22
|
$
|
131,808,523.53
|
||||||||
|
|
Pool Factor |
0.176864217
|
0.176003446
|
||||||||||
|
|
Since Issued Constant Prepayment Rate |
(63.34)%
|
|
(65.32)%
|
|
||||||||
(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
|
09/25/2025
|
10/27/2025
|
|||||||
| A |
|
78448AAA1
|
$
|
110,528,621.69
|
$
|
109,890,438.29
|
|||||
| B |
|
78448AAD5
|
$
|
20,600,000.00
|
$
|
20,600,000.00
|
|||||
|
C
|
Account Balances
|
09/25/2025
|
10/27/2025
|
||||||
|
|
Reserve Account Balance |
$
|
748,897.00
|
$
|
748,897.00
|
||||
|
|
Capitalized Interest Account Balance |
-
|
-
|
||||||
|
|
Floor Income Rebate Account |
$
|
33,911.94
|
$
|
65,528.11
|
||||
|
|
Supplemental Loan Purchase Account |
-
|
-
|
||||||
|
D
|
Asset / Liability
|
09/25/2025
|
10/27/2025
|
||||||
|
|
Adjusted Pool Balance + Supplemental Loan Purchase |
$
|
132,453,153.22
|
$
|
131,808,523.53
|
||||
|
|
Total Notes |
$
|
131,128,621.69
|
$
|
130,490,438.29
|
||||
|
|
Difference |
$
|
1,324,531.53
|
$
|
1,318,085.24
|
||||
|
|
Parity Ratio |
1.01010
|
1.01010
|
||||||
|
Page 2 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| II. |
Trust Activity 09/01/2025 through 09/30/2025
|
| A |
Student Loan Principal Receipts
|
||||
|
Borrower Principal
|
302,951.35
|
||||
|
Guarantor Principal
|
519,530.13
|
||||
|
Consolidation Activity Principal
|
328,077.30
|
||||
|
Seller Principal Reimbursement
|
-
|
||||
|
Servicer Principal Reimbursement
|
-
|
||||
|
Rejected Claim Repurchased Principal
|
-
|
||||
|
Other Principal Deposits
|
-
|
||||
|
Total Principal Receipts
|
$
|
1,150,558.78
|
|||
|
B |
Student Loan Interest Receipts
|
||||
|
Borrower Interest
|
199,057.48
|
||||
|
Guarantor Interest
|
30,034.40
|
||||
|
Consolidation Activity Interest
|
5,802.46
|
||||
|
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
|
8,672.55
|
||||
|
Total Interest Receipts
|
$
|
243,566.89
|
|||
| C |
Reserves in Excess of Requirement
|
|
-
|
||
| D |
Investment Income
|
$
|
8,384.58
|
||
|
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
|
$
|
(31,616.17)
|
|
||
|
M
|
AVAILABLE FUNDS
|
$
|
1,370,894.08
|
||
|
N
|
Non-Cash Principal Activity During Collection Period
|
$
|
(528,250.39)
|
|
|
|
O
|
Non-Reimbursable Losses During Collection Period
|
$
|
13,955.05
|
||
|
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| III. |
2013-4 Portfolio Characteristics
|
|
09/30/2025
|
08/31/2025
|
|||||||||||||||||||||||||||||||||
|
Wtd Avg
Coupon
|
# Loans
|
Principal
|
% of Principal
|
Wtd Avg Coupon
|
# Loans
|
Principal
|
% of Principal
|
|||||||||||||||||||||||||||
|
INTERIM:
|
IN SCHOOL
|
6.75%
|
|
15
|
$
|
116,417.00
|
0.089%
|
|
6.77%
|
|
18
|
$
|
153,417.00
|
0.117%
|
|
|||||||||||||||||||
|
|
GRACE |
6.80%
|
|
3
|
$
|
37,000.00
|
0.028%
|
|
0.00%
|
|
0
|
|
-
|
0.000%
|
|
|||||||||||||||||||
|
|
DEFERMENT |
6.78%
|
|
1,097
|
$
|
7,340,342.86
|
5.627%
|
|
6.82%
|
|
1,016
|
$
|
6,824,588.09
|
5.207%
|
|
|||||||||||||||||||
|
REPAYMENT:
|
CURRENT
|
6.94%
|
|
12,730
|
$
|
78,757,652.57
|
60.378%
|
|
6.93%
|
|
12,739
|
$
|
78,173,568.86
|
59.646%
|
|
|||||||||||||||||||
|
|
31-60 DAYS DELINQUENT |
6.93%
|
|
714
|
$
|
5,286,612.26
|
4.053%
|
|
7.00%
|
|
906
|
$
|
7,347,126.80
|
5.606%
|
|
|||||||||||||||||||
|
|
61-90 DAYS DELINQUENT |
6.97%
|
|
543
|
$
|
4,728,624.67
|
3.625%
|
|
6.95%
|
|
602
|
$
|
4,412,456.50
|
3.367%
|
|
|||||||||||||||||||
|
|
91-120 DAYS DELINQUENT |
6.84%
|
|
381
|
$
|
2,731,621.91
|
2.094%
|
|
6.95%
|
|
303
|
$
|
2,485,690.36
|
1.897%
|
|
|||||||||||||||||||
|
|
> 120 DAYS DELINQUENT |
6.85%
|
|
1,359
|
$
|
10,090,040.62
|
7.735%
|
|
6.87%
|
|
1,429
|
$
|
10,728,506.40
|
8.186%
|
|
|||||||||||||||||||
|
|
FORBEARANCE |
7.03%
|
|
2,377
|
$
|
20,260,152.99
|
15.532%
|
|
7.00%
|
|
2,408
|
$
|
19,894,214.54
|
15.179%
|
|
|||||||||||||||||||
|
|
CLAIMS IN PROCESS |
6.90%
|
|
141
|
$
|
1,092,440.17
|
0.837%
|
|
6.91%
|
|
151
|
$
|
1,043,644.89
|
0.796%
|
|
|||||||||||||||||||
|
TOTAL
|
19,360
|
$
|
130,440,905.05
|
100.00%
|
|
19,572
|
$
|
131,063,213.44
|
100.00%
|
|
||||||||||||||||||||||||
* Percentages may not total 100% due to rounding
|
Page 4 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| IV. |
2013-4 Portfolio Characteristics (cont'd)
|
|
09/30/2025
|
08/31/2025
|
|||||||
|
Pool Balance
|
$
|
131,808,523.53
|
$
|
132,453,153.22
|
||||
|
Outstanding Borrower Accrued Interest
|
$
|
6,698,121.66
|
$
|
6,765,017.04
|
||||
|
Borrower Accrued Interest to be Capitalized
|
$
|
1,367,618.48
|
$
|
1,389,939.78
|
||||
|
Borrower Accrued Interest >30 Days Delinquent
|
$
|
809,088.24
|
$
|
889,302.52
|
||||
|
Total # Loans
|
19,360
|
19,572
|
||||||
|
Total # Borrowers
|
6,153
|
6,235
|
||||||
|
Weighted Average Coupon
|
6.94%
|
|
6.94%
|
|
||||
|
Weighted Average Remaining Term
|
192.96
|
192.02
|
||||||
|
Non-Reimbursable Losses
|
$
|
13,955.05
|
$
|
11,225.12
|
||||
|
Cumulative Non-Reimbursable Losses
|
$
|
2,726,250.77
|
$
|
2,712,295.72
|
||||
|
Since Issued Constant Prepayment Rate (CPR)
|
-65.32 %
|
|
-63.34 %
|
|
||||
|
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
|
$
|
546,102.42
|
$
|
449,384.21
|
||||
|
Borrower Interest Accrued
|
$
|
716,611.54
|
$
|
746,504.91
|
||||
|
Interest Subsidy Payments Accrued
|
$
|
21,662.72
|
$
|
20,476.98
|
||||
|
Special Allowance Payments Accrued
|
$
|
32,290.43
|
$
|
30,855.72
|
||||
|
Page 5 of 9
|
Trust 2013-4 Monthly Servicing Report: Collection Period 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| V. |
2013-4 Portfolio Statistics by School and Program
|
|
A
|
LOAN TYPE
|
Weighted
Average Coupon
|
# LOANS
|
$ AMOUNT
|
%*
|
|
|||||||||||
|
|
- GSL (1) - Subsidized |
6.74%
|
|
10,385
|
48,033,573.30
|
36.824%
|
|
||||||||||
|
|
- GSL - Unsubsidized |
6.77%
|
|
8,442
|
68,602,493.62
|
52.593%
|
|
||||||||||
|
|
- PLUS (2) Loans |
8.47%
|
|
533
|
13,804,838.13
|
10.583%
|
|
||||||||||
|
|
- SLS (3) Loans |
0.00%
|
|
0
|
-
|
0.000%
|
|
||||||||||
|
|
- Consolidation Loans |
0.00%
|
|
0
|
-
|
0.000%
|
|
||||||||||
|
|
Total |
6.94%
|
|
19,360
|
$
|
130,440,905.05
|
100.000%
|
|
|||||||||
|
B
|
SCHOOL TYPE
|
Weighted
Average Coupon
|
# LOANS
|
$ AMOUNT
|
%*
|
|
|||||||||||
|
|
- Four Year |
6.95%
|
|
17,029
|
120,366,479.31
|
92.277%
|
|
||||||||||
|
|
- Two Year |
6.78%
|
|
1,882
|
8,044,317.48
|
6.167%
|
|
||||||||||
|
|
- Technical |
6.81%
|
|
449
|
2,030,108.26
|
1.556%
|
|
||||||||||
|
|
- Other |
0.00%
|
|
0
|
-
|
0.000%
|
|
||||||||||
|
|
Total |
6.94%
|
|
19,360
|
$
|
130,440,905.05
|
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| VI. |
2013-4 Waterfall for Distributions
|
|
Paid
|
Remaining
Funds Balance
|
||||||||
|
Total Available Funds
|
$
|
1,370,894.08
|
|||||||
| A |
Trustee Fees
|
|
-
|
$
|
1,370,894.08
|
||||
| B |
Primary Servicing Fee
|
$
|
31,597.80
|
$
|
1,339,296.28
|
||||
| C |
Administration Fee
|
$
|
6,667.00
|
$
|
1,332,629.28
|
||||
| D |
Class A Noteholders' Interest Distribution Amount
|
$
|
493,253.38
|
$
|
839,375.90
|
||||
|
E
|
Class B Noteholders' Interest Distribution Amount
|
$ |
109,326.67
|
$
|
730,049.23
|
||||
|
F
|
Reserve Account Reinstatement
|
|
-
|
$ |
730,049.23
|
||||
|
G
|
Class A Noteholders' Principal Distribution Amount
|
$ |
638,183.40
|
$ |
91,865.83
|
||||
|
H
|
Class B Noteholders' Principal Distribution Amount
|
-
|
$ |
91,865.83
|
|||||
|
I
|
Unpaid Expenses of The Trustees
|
-
|
$ |
91,865.83
|
|||||
|
J
|
Carryover Servicing Fee
|
-
|
$ |
91,865.83
|
|||||
|
K
|
Remaining Amounts to the Noteholders after the first auction date
|
|
-
|
$ |
91,865.83
|
||||
|
L |
Excess Distribution Certificateholder
|
$ |
91,865.83
|
- |
|||||
|
Waterfall Triggers
|
|||||
| A |
Student Loan Principal Outstanding
|
$
|
130,440,905.05
|
||
| B |
Interest to be Capitalized
|
$
|
1,367,618.48
|
||
| 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
|
$
|
131,808,523.53
|
||
|
G
|
Class A Notes Outstanding (after application of available funds)
|
$
|
109,890,438.29
|
||
|
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| VII. |
2013-4 Distributions
|
Distribution Amounts
| A |
|
B |
|
|||||
|
Cusip/Isin
|
78448AAA1
|
78448AAD5
|
||||||
|
Beginning Balance
|
$
|
110,528,621.69
|
$
|
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
|
9/25/2025
|
9/25/2025
|
||||||
|
Accrual Period End
|
10/27/2025
|
10/27/2025
|
||||||
|
Daycount Fraction
|
0.08888889
|
0.08888889
|
||||||
|
Interest Rate*
|
5.02051%
|
|
5.97051%
|
|
||||
|
Accrued Interest Factor
|
0.004462676
|
0.005307120
|
||||||
|
Current Interest Due
|
$
|
493,253.38
|
$
|
109,326.67
|
||||
|
Interest Shortfall from Prior Period Plus Accrued Interest
|
-
|
-
|
||||||
|
Total Interest Due
|
$
|
493,253.38
|
$
|
109,326.67
|
||||
|
Interest Paid
|
$
|
493,253.38
|
$
|
109,326.67
|
||||
|
Interest Shortfall
|
-
|
-
|
||||||
|
Principal Paid
|
$
|
638,183.40
|
-
|
|||||
|
Ending Principal Balance
|
$
|
109,890,438.29
|
$
|
20,600,000.00
|
||||
|
Paydown Factor
|
0.000879040
|
0.000000000
|
||||||
|
Ending Balance Factor
|
0.151364240
|
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
| VIII. |
2013-4 Reconciliations
|
|
A
|
Principal Distribution Reconciliation
|
||||
|
|
Notes Outstanding Principal Balance |
$
|
131,128,621.69
|
||
|
|
Adjusted Pool Balance |
$
|
131,808,523.53
|
||
|
|
Overcollateralization Amount |
$
|
1,318,085.24
|
||
|
|
Principal Distribution Amount |
$
|
638,183.40
|
||
|
|
Principal Distribution Amount Paid |
$
|
638,183.40
|
||
|
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 |
$
|
33,911.94
|
||
|
|
Deposits for the Period |
$
|
31,616.17
|
||
|
|
Release to Collection Account |
|
-
|
|
|
|
|
Ending Balance |
$
|
65,528.11
|
||
|
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 09/01/2025 - 09/30/2025, Distribution Date 10/27/2025
|
SLM Student Loan Trust 2013 4 published this content on November 07, 2025, and is solely responsible for the information contained herein. Distributed via Edgar on November 07, 2025 at 15:39 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]