| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| STATEMENT TO NOTEHOLDERS |
| September 25, 2025 |
| TRANSACTION PARTIES | ||
| Depositor: | Sequoia Residential Funding, Inc. | |
| Trustee: | Christiana Trust | |
| Master Servicer: | Wells Fargo Bank, N.A. | |
| Karen Schluter | Citibank, Agency and Trust | |
| (212) 816-5827 | 388 Greenwich Street Trading, 4th Floor | |
| karen.schluter@citi.com | New York, NY 10013 | |
| TABLE OF CONTENTS | |||
| 1 | . | Distribution Summary | 2 |
| 1.1 | . | Summary | 2 |
| 1.2 | . | Factors | 3 |
| 2 | . | Distribution Detail | 4 |
| 2.1 | . | Interest Detail | 4 |
| 2.2 | . | Interest Shortfall Detail | 5 |
| 2.3 | . | Principal Detail | 6 |
| 3 | . | Reconciliation Detail | 7 |
| 4 | . | Collateral Performance - Pool and Collections Summary | 8 |
| 5 | . | Stratification Detail | 9 |
| 6 | . | Collateral Performance - Delinquency and Loan Status History | 10 |
| 7 | . | Standard Prepayment and Default Information | 11 |
| 8 | . | Additional Reporting | 12 |
| 9 | . | Other Information | 13 |
| 10 | . | Notes | 14 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 1 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| DISTRIBUTION SUMMARY |
| September 25, 2025 |
| Accretion | |||||||||||||
| & | |||||||||||||
| Non-Cash | |||||||||||||
| Accrual | Other | Balance | |||||||||||
| Original | Prior | Pass-Through | Day | Interest | (As Interest) | Principal | Total | Realized Loss | Increase/ | Current | |||
| Class | Balance | Balance | Rate | Count | Distributed | Distributed | Distributed | Distributed | /(Recovery) | (Decrease) | Balance | ||
| A-1 | 170,408,000.00 | 18,663,067.62 | 2.325000 | % | 30/360 | 36,159.69 | - | 76,988.25 | 113,147.94 | - | - | 18,586,079.37 | |
| A-2 | 170,000,000.00 | 18,618,383.50 | 2.500000 | % | 30/360 | 38,788.30 | - | 76,803.92 | 115,592.22 | - | - | 18,541,579.58 | |
| A-3 | 157,795,000.00 | - | 1.550000 | % | 30/360 | - | - | - | - | - | - | - | |
| A-4 | 42,205,000.00 | 21,903,980.59 | 2.750000 | % | 30/360 | 50,196.62 | - | 90,357.55 | 140,554.17 | - | - | 21,813,623.04 | |
| B-1 | 10,952,000.00 | 1,502,600.91 | 3.434481 | % | 30/360 | 4,300.55 | - | 14,874.19 | 19,174.74 | - | - | 1,487,726.72 | |
| B-2 | 9,511,000.00 | 1,304,897.47 | 3.434481 | % | 30/360 | 3,734.70 | - | 12,917.13 | 16,651.83 | - | - | 1,291,980.34 | |
| B-3 | 6,340,000.00 | 869,840.19 | 3.434481 | % | 30/360 | 2,489.54 | - | 8,610.51 | 11,100.05 | - | - | 861,229.68 | |
| B-4 | 3,170,000.00 | 434,920.09 | 3.434481 | % | 30/360 | 1,244.77 | - | 4,305.26 | 5,550.03 | - | - | 430,614.83 | |
| B-5 | 6,054,465.00 | 5,755,729.74 | 3.434481 | % | 30/360 | 16,473.29 | - | - | 16,473.29 | - | - | 5,755,729.74 | |
| R | - | - | 0.000000 | % | - | - | - | - | - | - | - | - | |
| LT-R | - | - | 0.000000 | % | - | - | - | - | - | - | - | - | |
| Total | 576,435,465.00 | 69,053,420.11 | 153,387.46 | - | 284,856.81 | 438,244.27 | - | - | 68,768,563.30 | ||||
| Notional | |||||||||||||
| A-IO1 | 540,408,000.00 | 59,185,431.71 | 0.841958 | % | 30/360 | 41,526.39 | - | - | 41,526.39 | - | (244,149.71 | ) | 58,941,282.00 |
| A-IO2 | 170,408,000.00 | 18,663,067.62 | 0.175000 | % | 30/360 | 2,721.70 | - | - | 2,721.70 | - | (76,988.25 | ) | 18,586,079.37 |
| A-IO3 | 157,795,000.00 | - | 1.200000 | % | 30/360 | - | - | - | - | - | - | - | |
| Total | 868,611,000.00 | 77,848,499.33 | 44,248.09 | - | - | 44,248.09 | - | (321,137.96 | ) | 77,527,361.37 | |||
| Grand Total | 1,445,046,465 | 146,901,919.44 | 197,635.55 | - | 284,856.81 | 482,492.36 | - | (321,137.96 | ) | 146,295,924.67 | |||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 2 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| DISTRIBUTION SUMMARY - FACTORS |
| September 25, 2025 |
| Accretion | ||||||||||
| & | ||||||||||
| Non-Cash | ||||||||||
| Other | Balance | |||||||||
| Record | Interest | (As Interest) | Principal | Total | Realized Loss | Increase/ | Current | |||
| Class | CUSIP | Date | Distributed | Distributed | Distributed | Distributed | /(Recovery) | (Decrease) | Balance | |
| A-1 | 81744 | YAA4 | 08/29/2025 | 0.21219479 | - | 0.45178777 | 0.66398256 | - | - | 109.06811517 |
| A-2 | 81744 | YAB2 | 08/29/2025 | 0.22816647 | - | 0.45178776 | 0.67995424 | - | - | 109.06811518 |
| A-3 | 81744 | YAC0 | 08/29/2025 | - | - | - | - | - | - | - |
| A-4 | 81744 | YAD8 | 08/29/2025 | 1.18935245 | - | 2.14092051 | 3.33027295 | - | - | 516.84926051 |
| A-IO1 | 81745 | UAA1 | 08/29/2025 | 0.07684266 | - | - | 0.07684266 | - | - | 109.06811520 |
| A-IO2 | 81744 | YAJ5 | 08/29/2025 | 0.01597167 | - | - | 0.01597167 | - | - | 109.06811517 |
| A-IO3 | 81744 | YAP1 | 08/29/2025 | - | - | - | - | - | - | - |
| B-1 | 81744 | YAF3 | 08/29/2025 | 0.39267257 | - | 1.35812546 | 1.75079803 | - | - | 135.84064280 |
| B-2 | 81744 | YAG1 | 08/29/2025 | 0.39267164 | - | 1.35812533 | 1.75079697 | - | - | 135.84064136 |
| B-3 | 81744 | YAH9 | 08/29/2025 | 0.39267192 | - | 1.35812461 | 1.75079653 | - | - | 135.84064353 |
| B-4 | 81744 | YAK2 | 08/29/2025 | 0.39267192 | - | 1.35812618 | 1.75079811 | - | - | 135.84064038 |
| B-5 | 81744 | YAL0 | 08/29/2025 | 2.72084982 | - | - | 2.72084982 | - | - | 950.65868578 |
| R | 81744 | YAN6 | 08/29/2025 | - | - | - | - | - | - | - |
| LT-R | 81744 | YAM8 | 08/29/2025 | - | - | - | - | - | - | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 3 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| DISTRIBUTION INFORMATION - INTEREST DETAIL |
| September 25, 2025 |
| Rate | Interest | Shortfall | Paid | |||||||||||
| Accrual | Net | Accreted/ | Non | Carry | ||||||||||
| Class | Current | Next | Dates | Accrued | Deferred | Recovered | Forward | Accrued | Carry Forward | Total | ||||
| A-1 | 2.32500 | % | 2.32500 | % | 08/01-08/31 | 36,159.69 | - | - | - | 36,159.69 | - | 36,159.69 | ||
| A-2 | 2.50000 | % | 2.50000 | % | 08/01-08/31 | 38,788.30 | - | - | - | 38,788.30 | - | 38,788.30 | ||
| A-3 | 1.55000 | % | 1.55000 | % | 08/01-08/31 | - | - | - | - | - | - | - | ||
| A-4 | 2.75000 | % | 2.75000 | % | 08/01-08/31 | 50,196.62 | - | - | - | 50,196.62 | - | 50,196.62 | ||
| B-1 | 3.43448 | % | 3.43447 | % | 08/01-08/31 | 4,300.55 | - | - | - | 4,300.55 | - | 4,300.55 | ||
| B-2 | 3.43448 | % | 3.43447 | % | 08/01-08/31 | 3,734.70 | - | - | - | 3,734.70 | - | 3,734.70 | ||
| B-3 | 3.43448 | % | 3.43447 | % | 08/01-08/31 | 2,489.54 | - | - | - | 2,489.54 | - | 2,489.54 | ||
| B-4 | 3.43448 | % | 3.43447 | % | 08/01-08/31 | 1,244.77 | - | - | - | 1,244.77 | - | 1,244.77 | ||
| B-5 | 3.43448 | % | 3.43447 | % | 08/01-08/31 | 16,473.29 | - | - | - | 16,473.29 | - | 16,473.29 | ||
| R | 0.00000 | % | 0.00000 | % | 08/01-08/31 | - | - | - | - | - | - | - | ||
| LT-R | 0.00000 | % | 0.00000 | % | 08/01-08/31 | - | - | - | - | - | - | - | ||
| Total | 153,387.46 | - | - | - | 153,387.46 | - | 153,387.46 | |||||||
| Notional | ||||||||||||||
| A-IO1 | 0.84196 | % | 0.84195 | % | 08/01-08/31 | 41,526.39 | - | - | - | 41,526.39 | - | 41,526.39 | ||
| A-IO2 | 0.17500 | % | 0.17500 | % | 08/01-08/31 | 2,721.70 | - | - | - | 2,721.70 | - | 2,721.70 | ||
| A-IO3 | 1.20000 | % | 1.20000 | % | 08/01-08/31 | - | - | - | - | - | - | - | ||
| Total | 44,248.09 | - | - | - | 44,248.09 | - | 44,248.09 | |||||||
| Grand Total | 197,635.55 | - | - | - | 197,635.55 | - | 197,635.55 | |||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 4 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| DISTRIBUTION INFORMATION - INTEREST SHORTFALL DETAIL |
| September 25, 2025 |
| Carry Forward Interest | ||||||
| Non-Recov | ||||||
| Class | Shortall | Prior | Int. on Prior | New | Paid | Outstanding |
| A-1 | - | - | - | - | - | - |
| A-2 | - | - | - | - | - | - |
| A-3 | - | - | - | - | - | - |
| A-4 | - | - | - | - | - | - |
| B-1 | - | - | - | - | - | - |
| B-2 | - | - | - | - | - | - |
| B-3 | - | - | - | - | - | - |
| B-4 | - | - | - | - | - | - |
| B-5 | - | 258.73 | - | - | - | 258.73 |
| R | - | - | - | - | - | - |
| LT-R | - | - | - | - | - | - |
| Total | - | 258.73 | - | - | - | 258.73 |
| Notional | ||||||
| A-IO1 | - | - | - | - | - | - |
| A-IO2 | - | - | - | - | - | - |
| A-IO3 | - | - | - | - | - | - |
| Total | - | - | - | - | - | - |
| Grand Total | - | 258.73 | - | - | - | 258.73 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 5 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| DISTRIBUTION INFORMATION - PRINCIPAL DETAIL |
| September 25, 2025 |
| Accretion | ||||||||||
| & | ||||||||||
| Prior | Non-Cash | |||||||||
| Cumulative | Balance | Cumulative | ||||||||
| Prior | Realized | Scheduled | Unscheduled | Principal | Increase/ | Current | Realized | |||
| Class | Balance | Loss | Principal | Principal | Distributed | Realized Loss | (Recovery) | (Decrease) | Balance | Loss |
| A-1 | 18,663,067.62 | - | 70,721.79 | 6,266.46 | 76,988.25 | - | - | - | 18,586,079.37 | - |
| A-2 | 18,618,383.50 | - | 70,552.46 | 6,251.45 | 76,803.92 | - | - | - | 18,541,579.58 | - |
| A-3 | - | - | - | - | - | - | - | - | - | - |
| A-4 | 21,903,980.59 | - | 83,002.90 | 7,354.65 | 90,357.55 | - | - | - | 21,813,623.04 | - |
| B-1 | 1,502,600.91 | - | 13,663.51 | 1,210.68 | 14,874.19 | - | - | - | 1,487,726.72 | - |
| B-2 | 1,304,897.47 | - | 11,865.74 | 1,051.39 | 12,917.13 | - | - | - | 1,291,980.34 | - |
| B-3 | 869,840.19 | - | 7,909.66 | 700.85 | 8,610.51 | - | - | - | 861,229.68 | - |
| B-4 | 434,920.09 | - | 3,954.83 | 350.43 | 4,305.26 | - | - | - | 430,614.83 | - |
| B-5 | 5,755,729.74 | - | - | - | - | - | - | - | 5,755,729.74 | - |
| R | - | - | - | - | - | - | - | - | - | - |
| LT-R | - | - | - | - | - | - | - | - | - | - |
| Total | 69,053,420.11 | - | 261,670.89 | 23,185.91 | 284,856.81 | - | - | - | 68,768,563.30 | - |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 6 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| RECONCILIATION DETAIL |
| September 25, 2025 |
| SOURCE OF FUNDS | ALLOCATION OF FUNDS | |||||
| Interest Funds Available | Scheduled Fees | |||||
| Scheduled Interest | 212,913.62 | Master Servicing Fee | 230.15 | |||
| Uncompensated PPIS | 0.00 | Servicing Fee | 14,386.15 | |||
| Relief Act Shortfall | 0.00 | Trustee Fee | 51.80 | |||
| Losses in Excess of Principal Balance | 0.00 | Securities Administrator Fee | 609.97 | |||
| Stop Advance Interest | 0.00 | |||||
| Total Scheduled Fees | 15,278.07 | |||||
| Other Interest Reductions | 0.00 | |||||
| Additional Fees, Expenses, etc. | ||||||
| Total Interest Funds Available | 212,913.62 | Trust Fund Expenses | 0.00 | |||
| Principal Funds Available | Other Expenses | 0.00 | ||||
| Scheduled Principal | 261,670.89 | |||||
| Total Additional Fees, Expenses, etc. | - | |||||
| Curtailments | 23,185.91 | |||||
| Distributions | ||||||
| Curtailments Adjustments | 0.00 | |||||
| Interest Distribution | 197,635.55 | |||||
| Prepayments in Full | 0.00 | |||||
| Principal Distribution | 284,856.80 | |||||
| Liquidation Principal | 0.00 | |||||
| Repurchased Principal | 0.00 | Total Distributions | 482,492.35 | |||
| Other Principal | 0.00 | |||||
| Substitution Principal | 0.00 | |||||
| Principal Losses and Forgiveness | 0.00 | |||||
| Subsequent Recoveries / (Losses) | 0.00 | |||||
| Total Principal Funds Available | 284,856.80 | |||||
| Total Funds Available | 497,770.42 | |||||
| Total Funds Allocated | 497,770.42 | |||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 7 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| COLLATERAL PERFORMANCE - POOL AND COLLECTIONS SUMMARY |
| September 25, 2025 |
| Deal | Initial | Beginning | Ending | Initial | Beginning | Ending | |||||
| Count | 716 | 118 | 118 | Remaining Term | 358 | 207 | 206 | ||||
| Scheduled | 576,435,465.08 | 69,053,420.21 | 68,768,563.41 | Gross Rate | 3.78270 | % | 3.69998 | % | 3.69997 | % | |
| Actual | 576,435,465.08 | 69,238,969.62 | 68,941,309.78 | Net Rate | 3.51720 | % | 3.43448 | % | 3.43447 | % | |
| Interest Bearing | 576,435,465.08 | 69,053,420.21 | 68,768,563.41 | ||||||||
| Principal Collections | Realized Losses | Interest Collections | |||||||||
| Scheduled Principal | 261,670.89 | Principal Losses and | Scheduled Interest | 212,913.62 | |||||||
| - | |||||||||||
| Forgiveness | |||||||||||
| Curtailments | 23,185.91 | Less: | - | ||||||||
| Losses in Excess of Principal | |||||||||||
| Curtailments Adjustments | - | - | Master Servicing Fee | 230.15 | |||||||
| Balance | |||||||||||
| Prepayments in Full | - | Subsequent (Recoveries) / | Servicing Fee | 14,386.15 | |||||||
| - | |||||||||||
| Losses | |||||||||||
| Liquidation Principal | - | Trustee Fee | 51.80 | ||||||||
| Cumulative Realized Losses | - | ||||||||||
| Repurchased Principal | - | Securities Administrator Fee | 609.97 | ||||||||
| Other Principal | - | Uncompensated PPIS | - | ||||||||
| Substitution Principal | - | Relief Act Shortfall | - | ||||||||
| Principal Losses and Forgiveness | - | Other Expenses | - | ||||||||
| Subsequent Recoveries / (Losses) | - | Losses in Excess of Principal Balance | - | ||||||||
| Stop Advance Interest | - | ||||||||||
| Other Interest Reductions | - | ||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 8 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| STRATIFICATION DETAIL |
| September 25, 2025 |
| Loan Rate | |||||
| Asset | Ending Scheduled | % of | |||
| Loan Rate Range | Count | Balance | Agg.Bal. | WAC | WAM |
| 3.00 or Less | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 3.01 to 3.50 | 18 | 10,375,508.48 | 15.09 | 3.3971 | 194 |
| 3.51 to 4.00 | 98 | 57,258,889.96 | 83.26 | 3.7446 | 208 |
| 4.01 to 4.50 | 2 | 1,134,164.97 | 1.65 | 4.2182 | 208 |
| 4.51 to 5.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 5.01 to 5.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 5.51 to 6.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 6.01 to 6.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 6.51 to 7.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 7.01 to 7.50 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 7.51 to 8.00 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 8.01 or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| Total | 118 | 68,768,563.41 | 100.00 | 3.7000 | 206 |
| Ending Schedule Balance | |||||
| Ending Schedule Balance | Asset | Ending Scheduled | % of | ||
| Range | Count | Balance | Agg.Bal. | WAC | WAM |
| 1 to 200,000 | 3 | 491,047.19 | 0.71 | 3.2900 | 123 |
| 200,001 to 400,000 | 20 | 6,744,657.36 | 9.81 | 3.7278 | 203 |
| 400,001 to 600,000 | 51 | 25,330,066.86 | 36.83 | 3.7346 | 208 |
| 600,001 to 800,000 | 31 | 21,025,879.65 | 30.57 | 3.6986 | 208 |
| 800,001 to 1,000,000 | 6 | 5,365,882.44 | 7.80 | 3.6710 | 189 |
| 1,000,001 to 1,200,000 | 1 | 1,099,753.38 | 1.60 | 3.6000 | 208 |
| 1,200,001 to 1,400,000 | 4 | 5,225,563.54 | 7.60 | 3.6811 | 207 |
| 1,400,001 to 1,600,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 1,600,001 to 1,800,000 | 2 | 3,485,712.99 | 5.07 | 3.5653 | 208 |
| 1,800,001 to 2,000,000 | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| 2,000,001 or Greater | 0 | 0.00 | 0.00 | 0.0000 | 0 |
| Total | 118 | 68,768,563.41 | 100.00 | 3.7000 | 206 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 9 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| COLLATERAL PERFORMANCE - DELINQUENCY AND LOAN STATUS HISTORY |
| September 25, 2025 |
| Delinquent | ||||||||||||||||||||||||||||||||||||
| (Does not include loans in Bankruptcy, Foreclosure, or REO) | ||||||||||||||||||||||||||||||||||||
| 30 | Day | 60 | Day | 90 | Day | 120 | Day | 150 | Day | 180 | + Day | Bankruptcy | Foreclosure | REO | ||||||||||||||||||||||
| Distribution | ||||||||||||||||||||||||||||||||||||
| Date | Count | Balance | Count | Balance | Count Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | Count | Balance | |||||||||||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 09/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 0 | 0 | 1 | 300,799 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 08/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.85 | % | 0.44 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 1 | 301,953 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 07/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.85 | % | 0.44 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 1 | 303,104 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 06/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.84 | % | 0.44 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 05/27/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 305,394 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 04/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.84 | % | 0.44 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 306,534 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 03/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.84 | % | 0.43 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 1 | 337,696 | 0 | 0 | 0 | 0 | 1 | 307,671 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 02/25/2025 | ||||||||||||||||||||||||||||||||||||
| 0.84 | % | 0.48 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.84 | % | 0.43 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 1 | 338,791 | 0 | 0 | 1 | 308,804 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 01/27/2025 | ||||||||||||||||||||||||||||||||||||
| 0.83 | % | 0.47 | % | 0.00 | % | 0.00 | % | 0.83 | % | 0.43 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 2 | 649,816 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 12/26/2024 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 1.64 | % | 0.89 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 1 | 311,059 | 0 | 0 | 1 | 340,971 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 11/25/2024 | ||||||||||||||||||||||||||||||||||||
| 0.81 | % | 0.42 | % | 0.00 | % | 0.00 | % | 0.81 | % | 0.46 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| 0 | 0 | 1 | 342,055 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||||
| 10/25/2024 | ||||||||||||||||||||||||||||||||||||
| 0.00 | % | 0.00 | % | 0.81 | % | 0.46 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | 0.00 | % | |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 10 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust |
| Mortgage Pass-Through Certificates, Series 2013-4 |
| STANDARD PREPAYMENT AND DEFAULT INFORMATION |
| September 25, 2025 |
| Wtd. Avg. | Current | ||||||||||||||||
| Payment | Age | Collateral | Scheduled | Unscheduled | Liquidation | ||||||||||||
| Date | (Months) | Balance | Principal | Principal | Principal | SMM | CPR | PSA | MDR | CDR | SDA | ||||||
| 25-Sep-2025 | 151.32 | 68,768,563.41 | 261,670.89 | 23,185.91 | - | 0.034 | % | 0.404 | % | 7 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Aug-2025 | 150.32 | 69,053,420.21 | 260,781.97 | 24,996.51 | - | 0.036 | % | 0.433 | % | 7 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Jul-2025 | 149.32 | 69,339,198.69 | 262,157.18 | 136,242.72 | - | 0.196 | % | 2.328 | % | 39 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Jun-2025 | 148.32 | 69,737,598.59 | 261,322.34 | 9,928.93 | - | 0.014 | % | 0.171 | % | 3 | % | 0.000 | % | 0.000 | % | 0 | % |
| 27-May-2025 | 147.32 | 70,008,849.86 | 260,480.06 | 13,058.58 | - | 0.019 | % | 0.224 | % | 4 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Apr-2025 | 146.32 | 70,282,388.50 | 259,545.07 | 39,585.28 | - | 0.056 | % | 0.673 | % | 11 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Mar-2025 | 145.32 | 70,581,518.85 | 258,722.69 | 8,469.24 | - | 0.012 | % | 0.144 | % | 2 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Feb-2025 | 144.33 | 70,848,710.78 | 261,148.87 | 1,035,749.07 | - | 1.441 | % | 15.984 | % | 266 | % | 0.000 | % | 0.000 | % | 0 | % |
| 27-Jan-2025 | 143.33 | 72,145,608.72 | 265,306.78 | 935,989.23 | - | 1.281 | % | 14.331 | % | 239 | % | 0.000 | % | 0.000 | % | 0 | % |
| 26-Dec-2024 | 142.33 | 73,346,904.73 | 266,443.72 | 426,209.32 | - | 0.578 | % | 6.717 | % | 112 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Nov-2024 | 141.33 | 74,039,557.77 | 265,615.48 | 3,794.44 | - | 0.005 | % | 0.061 | % | 1 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Oct-2024 | 140.33 | 74,308,967.69 | 264,701.52 | 31,861.98 | - | 0.043 | % | 0.513 | % | 9 | % | 0.000 | % | 0.000 | % | 0 | % |
| 25-Sep-2024 | 139.33 | 74,605,531.19 | 263,853.62 | 11,710.06 | - | 0.016 | % | 0.188 | % | 3 | % | 0.000 | % | 0.000 | % | 0 | % |
| SMM (Single Month Mortality) = (Beginning Balance - Ending Balance - Scheduled Principal) / (Beginning Balance - Scheduled Principal) | MDR (Monthly Default Rate) = Beginning Balance of Liquidated Asset / Total Beginning Balance | ||||||||||||||||
| CPR (Constant Prepayment Rate) = 1 - ((1-SMM)^12) | CDR (Conditional Default Rate) = 1 - ((1-MDR)^12) | ||||||||||||||||
| PSA (Public Securities Association) = CPR / (min(.2% * Age, 6%)) | SDA (Standard Default Assumption) = CDR / (min(.2% * Age, 6%)) | ||||||||||||||||
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 11 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| ADDITIONAL REPORTING |
| September 25, 2025 |
| Amount Remaining Funds |
| 482,492.35 |
| Waterfall Detail | ||
| Available Distribution Amount | ||
| Senior Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -169,392.70 | 313,099.65 |
| Senior Certificates, the Senior Principal Distribution Amount | -244,149.71 | 68,949.94 |
| Class B-1 Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -4,300.55 | 64,649.39 |
| Class B-1 Certificates, the Subordinate Principal Distribution Amount | -14,874.19 | 49,775.20 |
| Class B-2 Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -3,734.70 | 46,040.50 |
| Class B-2 Certificates, the Subordinate Principal Distribution Amount | -12,917.13 | 33,123.37 |
| Class B-3 Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -2,489.54 | 30,633.83 |
| Class B-3 Certificates, the Subordinate Principal Distribution Amount | -8,610.51 | 22,023.32 |
| Class B-4 Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -1,244.77 | 20,778.55 |
| Class B-4 Certificates, the Subordinate Principal Distribution Amount | -4,305.26 | 16,473.29 |
| Class B-5 Certificates, the Interest Distribution Amount and unpaid Interest Shortfalls | -16,473.29 | 0.00 |
| Class B-5 Certificates, the Subordinate Principal Distribution Amount | 0.00 | 0.00 |
| Class LT-R and R Certificates, any remaining amounts | 0.00 | 0.00 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 12 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| OTHER INFORMATION |
| September 25, 2025 |
| Principal Percentages | ||
| Senior Percentage | 85.709631 | % |
| Subordinate Percentage | 14.290369 | % |
| Senior Prepayment Percentage | 85.709631 | % |
| Subordinate Prepayment Percentage | 14.290369 | % |
| Other Information | ||
| Step-Down Test satisfied? | Y |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 13 of 14 | © Copyright 2025 Citigroup |
| Sequoia Mortgage Trust | |
| Mortgage Pass-Through Certificates, Series 2013-4 | |
| NOTES | |
| No Notes available for this deal at this time. |
| September 25, 2025 |
| Reports Available at sf.citidirect.com | v. 21.09.28 | Page 14 of 14 | © Copyright 2025 Citigroup |