8-K 1 bst01004_jul.txt JULY 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington D. C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 26, 2004 BEAR STEARNS ARM TRUST Mortgage Pass-Through Certificates, Series 2001-4 Trust (Exact name of registrant as specified in its charter) New York (governing law of 333-51279-15 90-0031696 Pooling and Servicing Agreement) (Commission 90-0042385 (State or other File Number) IRS EIN jurisdiction of Incorporation) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: (410) 884-2000 (Former name or former address, if changed since last report) ITEM 5. Other Events On July 26, 2004 a distribution was made to holders of BEAR STEARNS ARM TRUST, Mortgage Pass-Through Certificates, Series 2001-4 Trust. ITEM 7. Financial Statements and Exhibits (c) Exhibits furnished in accordance with Item 601(a) of Regulation S-K Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2001-4 Trust, relating to the July 26, 2004 distribution. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. BEAR STEARNS ARM TRUST Mortgage Pass-Through Certificates, Series 2001-4 Trust By: Wells Fargo Bank, N.A. as Securities Administrator By: /s/ Beth Belfield as Assistant Vice President By: Beth Belfield as Assistant Vice President Date: 8/3/2004 INDEX TO EXHIBITS Exhibit Number Description EX-99.1 Monthly report distributed to holders of Mortgage Pass-Through Certificates, Series 2001-4 Trust, relating to the July 26, 2004 distribution. EX-99.1

Bear Stearns ARM Trust Mortgage Pass-Through Certificates Record Date: 26/2930/2004 Distribution Date: 37/2526/2004 BST Series: 2001-4 Contact: Customer Service - CTSLink Wells Fargo Bank, N.A. Securities Administration Services 7485 New Horizon Way Frederick, MD 21703 Telephone: (301) 815-6600 Fax: (301) 815-6660 Certificateholder Distribution Summary Certificate Certificate Beginning Class Pass-Through Certificate Interest Principal Class CUSIP Description Rate Balance Distribution Distribution I-A 07384MCX8 SEN 3.~~96686~~89373% 1513,~~182~~660,~~468~~600.4442 5044,~~189~~325.0057 8091,~~285~~220.3453 II-A 07384MCY6 SEN 4.~~19702~~16054% 3,~~972~~315,~~677~~898.9848 1311,~~894~~496.5259 119,~~609~~877.2131 R-I 07384MCZ3 SEN 7.~~12872~~12909% 0.00 0.00 0.00 R-II 07384MDU3 SEN 7.~~12872~~12909% 0.00 0.00 0.00 B-1 07384MDA7 SUB 43.~~01298~~94713% 1,~~200~~188,~~327~~575.6429 43,~~014~~909.0755 37,~~183~~056.9790 B-2 07384MDB5 SUB 43.~~01298~~94713% ~~960~~950,~~337~~934.2261 3,~~211~~127.5189 25,~~547~~645.3896 B-3 07384MDC3 SUB 43.~~01298~~94713% ~~720~~713,~~159~~107.0399 2,~~408~~345.3261 14,~~910~~233.2892 B-4 07384MEB4 SUB 43.~~01298~~94713% ~~816~~808,~~305~~313.4202 2,~~729~~658.8477 24,~~165~~799.3218 B-5 07384MEC2 SUB 43.~~01298~~94713% ~~162~~160,~~153~~565.2157 ~~542~~528.2614 ~~430~~953.1332 B-6 07384MED0 SUB 6.~~59148~~59444% 0.00 0.00 0.00 Totals 2320,~~014~~797,~~428~~995.9438 7668,~~989~~392.5212 ~~102~~123,~~131~~787.6312

Certificateholder Distribution Summary (continued) Current Ending Cumulative Realized Certificate Total Realized Class Loss Balance Distribution Losses I-A 0.00 1513,~~102~~569,~~183~~379.1089 ~~130~~135,~~474~~546.3410 0.00 II-A 0.00 3,~~961~~306,~~068~~021.7717 2521,~~503~~373.7390 0.00 R-I 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 B-1 0.00 1,~~197~~181,~~143~~518.6739 710,~~198~~966.0445 0.00 B-2 0.00 ~~957~~945,~~789~~288.8565 58,~~758~~773.8985 0.00 B-3 0.00 ~~718~~708,~~248~~874.7407 46,~~318~~579.6053 0.00 B-4 0.00 ~~814~~803,~~140~~513.1084 47,~~895~~457.1695 0.00 B-5 0.00 ~~161~~159,~~723~~612.0825 ~~972~~1,481.3946 130,058.78 B-6 0.00 0.00 0.00 347,452.00 Totals 0.00 2220,~~912~~674,~~297~~208.3126 ~~179~~192,~~121~~179.1524 477,510.78 All distributions required by the Pooling and Servicing Agreement have been calculated by the Certificate Administrator on behalf of the Trustee.

Principal Distribution Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Realized Class Amount Balance Distribution Distribution Accretion Loss (1) I-A 80,256,000.00 1513,~~182~~660,~~468~~600.4442 4032,~~249~~144.4088 4059,~~035~~075.9465 0.00 0.00 II-A 17,416,100.00 3,~~972~~315,~~677~~898.9848 109,~~562~~041.3348 ~~1,046~~835.8883 0.00 0.00 R-I 50.00 0.00 0.00 0.00 0.00 0.00 R-II 50.00 0.00 0.00 0.00 0.00 0.00 B-1 1,278,400.00 1,~~200~~188,~~327~~575.6429 32,~~183~~885.9773 04,171.0018 0.00 0.00 B-2 1,022,800.00 ~~960~~950,~~337~~934.2261 2,~~547~~308.3876 03,337.0020 0.00 0.00 B-3 767,000.00 ~~720~~713,~~159~~107.0399 1,~~910~~731.2835 02,502.0057 0.00 0.00 B-4 869,400.00 ~~816~~808,~~305~~313.4202 21,~~165~~962.3249 02,836.0069 0.00 0.00 B-5 306,800.00 ~~162~~160,~~153~~565.2157 ~~430~~389.1384 0563.0049 0.00 0.00 B-6 358,051.00 0.00 0.00 0.00 0.00 0.00 Totals 102,274,651.00 2320,~~014~~797,~~428~~995.9438 6150,~~048~~464.8153 4173,~~082~~322.8261 0.00 0.00 (1) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Principal Distribution Statement (continued) Total Ending Ending Total Principal Certificate Certificate Principal Class Reduction Balance Percentage Distribution I-A 8091,~~285~~220.3453 1513,~~102~~569,~~183~~379.1089 0.~~18817513~~16907620 8091,~~285~~220.3453 II-A 119,~~609~~877.2131 3,~~961~~306,~~068~~021.7717 0.~~22743719~~18982557 119,~~609~~877.2131 R-I 0.00 0.00 0.00000000 0.00 R-II 0.00 0.00 0.00000000 0.00 B-1 37,~~183~~056.9790 1,~~197~~181,~~143~~518.6739 0.~~93643904~~92421651 37,~~183~~056.9790 B-2 25,~~547~~645.3896 ~~957~~945,~~789~~288.8565 0.~~93643904~~92421651 25,~~547~~645.3896 B-3 14,~~910~~233.2892 ~~718~~708,~~248~~874.7407 0.~~93643904~~92421652 14,~~910~~233.2892 B-4 24,~~165~~799.3218 ~~814~~803,~~140~~513.1084 0.~~93643904~~92421652 24,~~165~~799.3218 B-5 ~~430~~953.1332 ~~161~~159,~~723~~612.0825 0.~~52712868~~52024853 ~~430~~953.1332 B-6 0.00 0.00 0.00000000 0.00 Totals ~~102~~123,~~131~~787.6312 2220,~~912~~674,~~297~~208.3126 0.~~22402714~~20214401 ~~102~~123,~~131~~787.6312

Principal Distribution Factors Statement Original Beginning Scheduled Unscheduled Face Certificate Principal Principal Class (2) Amount Balance Distribution Distribution Accretion I-A 80,256,000.00 ~~189~~170.~~17549392~~21282421 0.~~50151266~~40052931 0.~~49885292~~73609014 0.00000000 II-A 17,416,100.00 ~~228~~190.~~10376491~~39271019 0.~~60646930~~51914493 0.~~06010990~~04799180 0.00000000 R-I 50.00 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 0.00000000 0.00000000 0.00000000 0.00000000 B-1 1,278,400.00 ~~938~~929.~~92963079~~73661608 2.~~49058980~~25729819 03.~~00000000~~26281289 0.00000000 B-2 1,022,800.00 ~~938~~929.~~92962456~~73661517 2.~~49059445~~25729370 03.~~00000000~~26280798 0.00000000 B-3 767,000.00 ~~938~~929.~~92963494~~73662321 2.~~49058670~~25730117 03.~~00000000~~26280313 0.00000000 B-4 869,400.00 ~~938~~929.~~92962963~~73662296 2.~~49059121~~25729239 03.~~00000000~~26281343 0.00000000 B-5 306,800.00 ~~528~~523.~~53067145~~35583442 1.~~40198827~~27066493 01.~~00000000~~83666884 0.00000000 B-6 358,051.00 0.00000000 0.00000000 0.00000000 0.00000000 (2) Per $1000 denomination.

Principal Distribution Factors Statement (continued) Total Ending Ending Total Realized Principal Certificate Certificate Principal Class Loss (3) Reduction Balance Percentage Distribution I-A 0.00000000 1.~~00036558~~13661944 ~~188~~169.~~17512834~~07620477 0.~~18817513~~16907620 1.~~00036558~~13661944 II-A 0.00000000 0.~~66657920~~56713673 ~~227~~189.~~43718571~~82557346 0.~~22743719~~18982557 0.~~66657920~~56713673 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 25.~~49058980~~52010325 ~~936~~924.~~43904099~~21651283 0.~~93643904~~92421651 25.~~49058980~~52010325 B-2 0.00000000 25.~~49059445~~52010168 ~~936~~924.~~43903989~~21651349 0.~~93643904~~92421651 25.~~49059445~~52010168 B-3 0.00000000 25.~~49058670~~52010430 ~~936~~924.~~43903520~~21651890 0.~~93643904~~92421652 25.~~49058670~~52010430 B-4 0.00000000 25.~~49059121~~52010582 ~~936~~924.~~43903842~~21651714 0.~~93643904~~92421652 25.~~49059121~~52010582 B-5 0.00000000 13.~~40198827~~10730117 ~~527~~520.~~12868318~~24853325 0.~~52712868~~52024853 13.~~40198827~~10730117 B-6 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (3) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class Amount Rate Balance Interest Shortfall Shortfall I-A 80,256,000.00 3.~~96686~~89373% 1513,~~182~~660,~~468~~600.4442 5044,~~189~~325.0058 0.00 0.00 II-A 17,416,100.00 4.~~19702~~16054% 3,~~972~~315,~~677~~898.9848 1311,~~894~~496.5259 0.00 0.00 R-I 50.00 7.~~12872~~12909% 0.00 0.00 0.00 0.00 R-II 50.00 7.~~12872~~12909% 0.00 0.00 0.00 0.00 B-1 1,278,400.00 43.~~01298~~94713% 1,~~200~~188,~~327~~575.6429 43,~~014~~909.0755 0.00 0.00 B-2 1,022,800.00 43.~~01298~~94713% ~~960~~950,~~337~~934.2261 3,~~211~~127.5189 0.00 0.00 B-3 767,000.00 43.~~01298~~94713% ~~720~~713,~~159~~107.0399 2,~~408~~345.3261 0.00 0.00 B-4 869,400.00 43.~~01298~~94713% ~~816~~808,~~305~~313.4202 2,~~729~~658.8477 0.00 0.00 B-5 306,800.00 43.~~01298~~94713% ~~162~~160,~~153~~565.2157 ~~542~~528.2614 0.00 0.00 B-6 358,051.00 6.~~59148~~59444% 0.00 0.00 0.00 0.00 Totals 102,274,651.00 7668,~~989~~392.5213 0.00 0.00

Interest Distribution Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (4) Distribution Shortfall Balance I-A 0.00 0.00 5044,~~189~~325.0057 0.00 1513,~~102~~569,~~183~~379.1089 II-A 0.00 0.00 1311,~~894~~496.5259 0.00 3,~~961~~306,~~068~~021.7717 R-I 0.00 0.00 0.00 0.00 0.00 R-II 0.00 0.00 0.00 0.00 0.00 B-1 0.00 0.00 43,~~014~~909.0755 0.00 1,~~197~~181,~~143~~518.6739 B-2 0.00 0.00 3,~~211~~127.5189 0.00 ~~957~~945,~~789~~288.8565 B-3 0.00 0.00 2,~~408~~345.3261 0.00 ~~718~~708,~~248~~874.7407 B-4 0.00 0.00 2,~~729~~658.8477 0.00 ~~814~~803,~~140~~513.1084 B-5 0.00 0.00 ~~542~~528.2614 0.00 ~~161~~159,~~723~~612.0825 B-6 0.00 0.00 0.00 0.00 0.00 Totals 0.00 0.00 7668,~~989~~392.5212 0.00 (4) Amount Does Not Include Excess Special Hazard, Bankruptcy, or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

Interest Distribution Factors Statement Beginning Payment of Original Current Certificate/ Current Unpaid Current Face Certificate Notional Accrued Interest Interest Class (5) Amount Rate Balance Interest Shortfall Shortfall I-A 80,256,000.00 3.~~96686~~89373% ~~189~~170.~~17549392~~21282421 0.~~62536134~~55230238 0.00000000 0.00000000 II-A 17,416,100.00 4.~~19702~~16054% ~~228~~190.~~10376491~~39271019 0.~~79779744~~66011277 0.00000000 0.00000000 R-I 50.00 7.~~12872~~12909% 0.00000000 0.00000000 0.00000000 0.00000000 R-II 50.00 7.~~12872~~12909% 0.00000000 0.00000000 0.00000000 0.00000000 B-1 1,278,400.00 43.~~01298~~94713% ~~938~~929.~~92963079~~73661608 3.~~13991708~~05815864 0.00000000 0.00000000 B-2 1,022,800.00 43.~~01298~~94713% ~~938~~929.~~92962456~~73661517 3.~~13991983~~05816386 0.00000000 0.00000000 B-3 767,000.00 43.~~01298~~94713% ~~938~~929.~~92963494~~73662321 3.~~13992177~~05816167 0.00000000 0.00000000 B-4 869,400.00 43.~~01298~~94713% ~~938~~929.~~92962963~~73662296 3.~~13991258~~05816655 0.00000000 0.00000000 B-5 306,800.00 43.~~01298~~94713% ~~528~~523.~~53067145~~35583442 1.~~76747066~~72144720 0.00000000 0.00000000 B-6 358,051.00 6.~~59148~~59444% 0.00000000 0.00000000 0.00000000 0.00000000 (5) Per $1000 denomination.

Interest Distribution Factors Statement (continued) Remaining Ending Non-Supported Total Unpaid Certificate/ Interest Realized Interest Interest Notional Class Shortfall Losses (6) Distribution Shortfall Balance I-A 0.00000000 0.00000000 0.~~62536134~~55230226 0.00000000 ~~188~~169.~~17512834~~07620477 II-A 0.00000000 0.00000000 0.~~79779744~~66011277 0.00000000 ~~227~~189.~~43718571~~82557346 R-I 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 R-II 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 B-1 0.00000000 0.00000000 3.~~13991708~~05815864 0.00000000 ~~936~~924.~~43904099~~21651283 B-2 0.00000000 0.00000000 3.~~13991983~~05816386 0.00000000 ~~936~~924.~~43903989~~21651349 B-3 0.00000000 0.00000000 3.~~13992177~~05816167 0.00000000 ~~936~~924.~~43903520~~21651890 B-4 0.00000000 0.00000000 3.~~13991258~~05816655 0.00000000 ~~936~~924.~~43903842~~21651714 B-5 0.00000000 0.00000000 1.~~76747066~~72144720 0.00000000 ~~527~~520.~~12868318~~24853325 B-6 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 (6) Amount Does Not Include Excess Special Hazard, Bankruptcy,or Fraud Losses Unless Otherwise Disclosed. Please Refer to the Prospectus Supplement for a Full Description.

CERTIFICATEHOLDER ACCOUNT STATEMENT CERTIFICATE ACCOUNT Beginning Balance 0.00 Deposits Payments of Interest and Principal ~~184~~192,~~963~~304.3539 Liquidations, Insurance Proceeds, Reserve Funds 0.00 Proceeds from Repurchased Loans 0.00 Other Amounts (Servicer Advances) 912,~~354~~569.4009 Realized Loss (Gains, Subsequent Expenses & Recoveries) 0.00 Prepayment Penalties 0.00 Total Deposits ~~194~~204,~~317~~873.7548 Withdrawals Reimbursement for Servicer Advances 97,~~272~~385.9248 Payment of Service Fee 5,~~923~~308.6874 Payment of Interest and Principal ~~179~~192,~~121~~179.1526 Total Withdrawals (Pool Distribution Amount) ~~194~~204,~~317~~873.7548 Ending Balance 0.00

SERVICING FEES Gross Servicing Fee 5,~~923~~308.6874 Supported Prepayment/Curtailment Interest Shortfall 0.00 Net Servicing Fee 5,~~923~~308.6874

LOAN STATUS STRATIFICATION/CREDIT ENHANCEMENT STATEMENT DELINQUENCY STATUS DELINQUENT BANKRUPTCY FORECLOSURE REO Total No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 69 0 0 0 69 ~~989~~1,~~500~~548,903.5720 0.00 0.00 0.00 ~~989~~1,~~500~~548,903.5720 60 Days 12 0 0 0 12 ~~103~~449,~~016~~843.8229 0.00 0.00 0.00 ~~103~~449,~~016~~843.8229 90 Days 01 0 0 0 01 050,380.0002 0.00 0.00 0.00 050,380.0002 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 10 0 10 0.00 0.00 ~~124,340~~0.4000 0.00 ~~124,340~~0.4000 180+ Days 0 0 21 0 21 0.00 0.00 ~~398~~80,~~364~~855.7464 0.00 ~~398~~80,~~364~~855.7464 Totals 712 0 31 0 1013 12,~~092~~049,~~517~~126.3951 0.00 ~~522~~80,~~705~~855.1464 0.00 12,~~615~~129,~~222~~982.5315 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 58.~~172414~~571429% 0.000000% 0.000000% 0.000000% 58.~~172414~~571429% 47.~~305511~~472162% 0.000000% 0.000000% 0.000000% 47.~~305511~~472162% 60 Days 01.~~862069~~904762% 0.000000% 0.000000% 0.000000% 01.~~862069~~904762% 02.~~448246~~170118% 0.000000% 0.000000% 0.000000% 02.~~448246~~170118% 90 Days 0.~~000000~~952381% 0.000000% 0.000000% 0.000000% 0.~~000000~~952381% 0.~~000000~~243041% 0.000000% 0.000000% 0.000000% 0.~~000000~~243041% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.~~862069~~000000% 0.000000% 0.~~862069~~000000% 0.000000% 0.000000% 0.~~541029~~000000% 0.000000% 0.~~541029~~000000% 180+ Days 0.000000% 0.000000% 10.~~724138~~952381% 0.000000% 10.~~724138~~952381% 0.000000% 0.000000% 10.~~733363~~390061% 0.000000% 10.~~733363~~390061% Totals 611.~~034483~~428571% 0.000000% 20.~~586207~~952381% 0.000000% 812.~~620690~~380952% 49.~~753757~~885322% 0.000000% 20.~~274393~~390061% 0.000000% 710.~~028150~~275382%

Delinquency Status By Groups

DELINQUENT BANKRUPTCY FORECLOSURE REO Total 1 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 45 0 0 0 45 ~~696~~1,~~598~~086,836.2547 0.00 0.00 0.00 ~~696~~1,~~598~~086,836.2547 60 Days 01 0 0 0 01 0327,566.0096 0.00 0.00 0.00 0327,566.0096 90 Days 01 0 0 0 01 050,380.0002 0.00 0.00 0.00 050,380.0002 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 180 Days 0 0 10 0 10 0.00 0.00 ~~317,509~~0.1000 0.00 ~~317,509~~0.1000 Totals 47 0 10 0 57 ~~696~~1,~~598~~464,783.2545 0.00 ~~317,509~~0.1000 0.00 1,~~014~~464,~~107~~783.3545 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 46.~~761905~~493506% 0.000000% 0.000000% 0.000000% 46.~~761905~~493506% 36.~~820946~~530613% 0.000000% 0.000000% 0.000000% 36.~~820946~~530613% 60 Days 01.~~000000~~298701% 0.000000% 0.000000% 0.000000% 01.~~000000~~298701% 01.~~000000~~968293% 0.000000% 0.000000% 0.000000% 01.~~000000~~968293% 90 Days 01.~~000000~~298701% 0.000000% 0.000000% 0.000000% 01.~~000000~~298701% 0.~~000000~~302725% 0.000000% 0.000000% 0.000000% 0.~~000000~~302725% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 180 Days 0.000000% 0.000000% 10.~~190476~~000000% 0.000000% 10.~~190476~~000000% 0.000000% 0.000000% 10.~~741585~~000000% 0.000000% 10.~~741585~~000000% Totals 49.~~761905~~090909% 0.000000% 10.~~190476~~000000% 0.000000% 59.~~952381~~090909% 38.~~820946~~801631% 0.000000% 10.~~741585~~000000% 0.000000% 58.~~562532~~801631% DELINQUENT BANKRUPTCY FORECLOSURE REO Total 2 No of Loans No of Loans No of Loans No of Loans No of Loans Principal Balance Principal Balance Principal Balance Principal Balance Principal Balance 0-29 Days 0 0 0 0 0.00 0.00 0.00 0.00 30 Days 24 0 0 0 24 ~~292~~462,~~902~~066.3273 0.00 0.00 0.00 ~~292~~462,~~902~~066.3273 60 Days 1 0 0 0 1 ~~103~~122,~~016~~276.8233 0.00 0.00 0.00 ~~103~~122,~~016~~276.8233 90 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 120 Days 0 0 0 0 0 0.00 0.00 0.00 0.00 0.00 150 Days 0 0 10 0 10 0.00 0.00 ~~124,340~~0.4000 0.00 ~~124,340~~0.4000 180 Days 0 0 1 0 1 0.00 0.00 80,855.64 0.00 80,855.64 Totals 35 0 21 0 56 ~~395~~584,~~919~~343.1406 0.00 ~~205~~80,~~196~~855.0464 0.00 ~~601~~665,~~115~~198.1870 0-29 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 30 Days 614.~~250000~~285714% 0.000000% 0.000000% 0.000000% 614.~~250000~~285714% 611.~~164877~~306324% 0.000000% 0.000000% 0.000000% 611.~~164877~~306324% 60 Days 3.~~125000~~571429% 0.000000% 0.000000% 0.000000% 3.~~125000~~571429% 2.~~168252~~991983% 0.000000% 0.000000% 0.000000% 2.~~168252~~991983% 90 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 120 Days 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 0.000000% 150 Days 0.000000% 0.000000% 30.~~125000~~000000% 0.000000% 30.~~125000~~000000% 0.000000% 0.000000% 20.~~617061~~000000% 0.000000% 20.~~617061~~000000% 180 Days 0.000000% 0.000000% 3.~~125000~~571429% 0.000000% 3.~~125000~~571429% 0.000000% 0.000000% 1.~~701813~~978459% 0.000000% 1.~~701813~~978459% Totals 917.~~375000~~857143% 0.000000% 63.~~250000~~571429% 0.000000% 1521.~~625000~~428571% 814.~~333129~~298306% 0.000000% 41.~~318874~~978459% 0.000000% 1216.~~652003~~276765%

OTHER INFORMATION Current Period Class A Insufficient Funds 0.00 Principal Balance of Contaminated Properties 0.00 Periodic Advance 912,~~354~~569.4009

SUBORDINATION LEVEL/CLASS PERCENTAGE AND PREPAYMENT PERCENTAGE Current Original $ Original % Current $ Current % Class% Prepayment% Class A 22,018,651.00 21.52894269% 7,~~810~~104,~~114~~828.2137 34.~~08699749~~36566122% 65.~~913003~~634339% ~~100~~81.~~000000~~715878% Class 2A 4,602,551.00 4.50018744% 3,~~849~~798,~~045~~807.4420 1618.~~79903760~~37461997% 1715.~~287960~~991041% 015.~~000000~~912283% Class R-I 4,602,501.00 4.50013855% 3,~~849~~798,~~045~~807.4420 1618.~~79903760~~37461997% 0.000000% 0.000000% Class R-II 4,602,451.00 4.50008967% 3,~~849~~798,~~045~~807.4420 1618.~~79903760~~37461997% 0.000000% 0.000000% Class B-1 3,324,051.00 3.25012207% 2,~~651~~617,~~901~~288.7781 1112.~~57414176~~65968098% 5.~~224896~~714939% 05.~~000000~~686792% Class B-2 2,301,251.00 2.25006977% 1,~~694~~672,~~111~~000.9216 78.~~39389812~~08737214% 4.~~180244~~572309% 04.~~000000~~549789% Class B-3 1,534,251.00 1.50012832% ~~975~~963,~~863~~126.1809 4.~~25912411~~65858754% 3.~~134774~~428785% 03.~~000000~~411897% Class B-4 664,851.00 0.65006431% ~~161~~159,~~723~~612.0825 0.~~70583529~~77203561% 3.~~553289~~886552% 03.~~000000~~867410% Class B-5 358,051.00 0.35008773% 0.00 0.00000000% 0.~~705835~~772036% 0.~~000000~~768233% Class B-6 0.00 0.00000000% 0.00 0.00000000% 0.000000% 0.000000% Please Refer to the Prospectus Supplement for a Full Description of Loss Exposure

COLLATERAL STATEMENT Collateral Description Mixed ARM Weighted Average Gross Coupon 4.~~327092~~255974% Weighted Average Net Coupon 43.~~018224~~949671% Weighted Average Pass-Through Rate 43.~~014326~~946081% Weighted Average Maturity(Stepdown Calculation ) ~~323~~319 Beginning Scheduled Collateral Loan Count ~~116~~106 Number Of Loans Paid In Full 01 Ending Scheduled Collateral Loan Count ~~116~~105 Beginning Scheduled Collateral Balance 2320,~~014~~797,~~428~~995.9439 Ending Scheduled Collateral Balance 2220,~~912~~674,~~297~~208.3126 Ending Actual Collateral Balance at 2930-~~Feb~~Jun-2004 2220,~~982~~728,~~186~~981.0581 Monthly P &I Constant ~~144~~124,~~036~~227.7763 Special Servicing Fee 0.00 Prepayment Penalties 0.00 Realized Loss Amount 0.00 Cumulative Realized Loss 477,510.18 Class A Optimal Amount ~~155~~156,~~978~~920.0601 Ending Scheduled Balance for Premium Loans 2220,~~912~~674,~~297~~208.3126 Scheduled Principal 6150,~~048~~464.8152 Unscheduled Principal 4173,~~082~~322.8261

Miscellaneous Reporting Senior Percentage Group 1 8381.~~106989~~715878% Senior Percentage Group 2 8381.~~708516~~256024% Senior Prepayment Percentage Group 1 ~~100~~81.~~000000~~715878% Senior Prepayment Percentage Group 2 ~~100~~81.~~000000~~256024% Subordinate Percentage Group 1 1618.~~893011~~284122% Subordinate Percentage Group 2 1618.~~291484~~743976% Subordinate Prepayment Percentage Grp 1 018.~~000000~~284122% Subordinate Prepayment Percentage Grp 2 018.~~000000~~743976%

Group Level Collateral Statement Group 1 2 Total Collateral Description Mixed ARM Mixed ARM Mixed ARM Weighted Average Coupon Rate 4.~~259369~~184707 4.~~587784~~547925 4.~~327092~~255974 Weighted Average Net Rate 3.~~969258~~896309 4.~~206712~~168271 43.~~018224~~949671 Weighted Average Maturity ~~283~~279 ~~234~~230 ~~323~~319 Beginning Loan Count 8478 3228 ~~116~~106 Loans Paid In Full 01 0 01 Ending Loan Count 8477 3228 ~~116~~105 Beginning Scheduled Balance 1816,~~268~~717,~~582~~192.0515 4,~~745~~080,~~846~~803.8924 2320,~~014~~797,~~428~~995.9439 Ending scheduled Balance 1816,~~180~~605,~~115~~560.2981 4,~~732~~068,~~182~~647.0245 2220,~~912~~674,~~297~~208.3126 Record Date 0206/2930/2004 0206/2930/2004 0206/2930/2004 Principal And Interest Constant ~~113~~97,~~274~~634.6849 3026,~~762~~593.0914 ~~144~~124,~~036~~227.7763 Scheduled Principal 4839,~~430~~337.8237 1211,~~617~~127.9915 6150,~~048~~464.8152 Unscheduled Principal 4072,~~035~~293.9497 1,~~046~~028.8864 4173,~~082~~322.8261 Scheduled Interest 6458,~~843~~297.8612 1815,~~144~~465.1099 8273,~~987~~763.9611 Servicing Fees 4,~~416~~017.5966 1,~~507~~291.0908 5,~~923~~308.6874 Master Servicing Fees 0.00 0.00 0.00 Trustee Fee 0.00 0.00 0.00 FRY Amount 0.00 0.00 0.00 Special Hazard Fee 0.00 0.00 0.00 Other Fee 3635.4493 3826.3230 7462.7623 Pool Insurance Fee 0.00 0.00 0.00 Spread Fee 1 0.00 0.00 0.00 Spread Fee 2 0.00 0.00 0.00 Spread Fee 3 0.00 0.00 0.00 Net Interest 6054,~~390~~243.8353 1614,~~598~~148.6961 7668,~~989~~392.5214 Realized Loss Amount 0.00 0.00 0.00 Cumulative Realized Loss 477,510.18 0.00 477,510.18 Percentage of Cumulative Losses 0.5682 0.0000 0.4669 Prepayment Penalties 0.00 0.00 0.00 Special Servicing Fee 0.00 0.00 0.00 Pass-Through Rate 3.~~966864~~893730 4.~~197023~~160535 43.~~014326~~946081

Filing Compare · BEAR STEARNS ARM TRUST MORTGAGE PASS-THRO CERT SERIES 2001-4