EX-99.77O RULE 10F-3 4 myins77o.htm 10F-3 TRANSACTIONS

BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

7/13/2007

Idaho Housing and Finance Assoc. Single Family Mortgage

46,250,000

3,555,000

Lehman Brothers, Citigroup Global Markets Inc., D.A. Davidson & Co., A.G. Edwards & Sons, Inc., Edward D. Jones & Co., Merrill Lynch & Co., Piper Jaffray, Seattle-Northwest Securities Corporation, Zions First National Bank Capital Markets

7/13/2007

Puerto Rico Sales Tax Financing Corp.

2,667,603,528

20,000,000

Goldman, Sachs & Co., Lehman Brothers A.G. Edwards & Sons, Inc.,Banc of America Securities LLC, BBVAPR MSD, Bear, Stearns & Co. Inc., Citigroup Global Markets Inc., First Albany Capital Inc., J.P. Morgan Securities, Inc., Loop Capital Markets, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated., Oriental Financial Services, Popular Securities, Inc., RBC Capital Markets, Samuel A. Ramirez & Co., Inc., Santander Securities, UBS Securities LLC, Wachovia Bank, National Association



















BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

7/13/2007

Puerto Rico Sales Tax Financing Corp.

2,667,603,528

3,600,000

Goldman, Sachs & Co., Lehman Brothers A.G. Edwards & Sons, Inc.,Banc of America Securities LLC, BBVAPR MSD, Bear, Stearns & Co. Inc., Citigroup Global Markets Inc., First Albany Capital Inc., J.P. Morgan Securities, Inc., Loop Capital Markets, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated., Oriental Financial Services, Popular Securities, Inc., RBC Capital Markets, Samuel A. Ramirez & Co., Inc., Santander Securities, UBS Securities LLC, Wachovia Bank, National Association

7/19/2007

Mass Health & Educational Facilities Authority

173,510,000

10,000,000

Citigroup Global Markets Inc, Banc of America Securities LLC, Merrill Lynch & Co.

7/20/2007

South Carolina Pub Svc Santee Cooper

342,525,000

1,500,000

Citigroup Global Markets Inc., Goldman, Sachs & Co., Bear, Stearns & Co., Merrill Lynch & Co. , Morgan Stanley & Co. Incorporated

7/20/2007

South Carolina Pub Svc Santee Cooper

342,525,000

5,000,000

Citigroup Global Markets Inc., Goldman, Sachs & Co., Bear, Stearns & Co., Merrill Lynch & Co. , Morgan Stanley & Co. Incorporated

7/20/2007

South Carolina Pub Svc Santee Cooper

342,525,000

7,200,000

Citigroup Global Markets Inc., Goldman, Sachs & Co., Bear, Stearns & Co., Merrill Lynch & Co. , Morgan Stanley & Co. Incorporated

8/23/2007

City of San Jose California, Airport Revenue Bond

725,015,000

7,965,000

Lehman Brothers; Citigroup Global Markets Inc.; Merrill Lynch & Co.; E.J. De La Rosa & Co., Inc.; Goldman, Sachs & Co.; Loop Capital Markets; Morgan Stanley & Co. Incorporated; RBC Capital Markets

BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

8/23/2007

New York State Dorm Authority

296,075,000

20,000,000

Goldman, Sachs & Co.; Banc of America Securities LLC; Bear, Stearns & Co. Inc.; Citigroup Global Markets Inc.; J.B. Hanauer & Company; Jackson Securities, LLC; J.P. Morgan Securities Inc.; Lehman Brothers; Merrill Lynch & Co.; Morgan Stanley & Co. Incorporated; M.R. Beal & Company

8/23/2007

New York State Dorm Authority

296,075,000

10,000,000

Goldman, Sachs & Co.; Banc of America Securities LLC; Bear, Stearns & Co. Inc.; Citigroup Global Markets Inc.; J.B. Hanauer & Company; Jackson Securities, LLC; J.P. Morgan Securities Inc.; Lehman Brothers; Merrill Lynch & Co.; Morgan Stanley & Co. Incorporated; M.R. Beal & Company

8/24/2007

Illinois Municipal Electric Agency

605,360,000

15,000,000

J.P. Morgan Securities Inc.; A.G. Edwards & Sons, Inc.; Bear, Stearns & Co. Inc.; Goldman, Sachs & Co.; Merrill Lynch & Co

8/24/2007

Illinois Municipal Electric Agency

605,360,000

25,000,000

J.P. Morgan Securities Inc.; A.G. Edwards & Sons, Inc.; Bear, Stearns & Co. Inc.; Goldman, Sachs & Co.; Merrill Lynch & Co

10/3/2007

NEW YORK ST TWY AUTH GEN REV

1,008,910,000

2,775,000

Citi, JPMorgan, M.R. Beal & Company, Merrill Lynch & Co., Raymond James & Associates, Inc., Bear, Stearns & Co. Inc, RBC Capital Markets, UBS Investment Bank, KeyBanc Capital Markets, Wachovia Bank, National Association




BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

10/4/2007

Commonwealth of Puerto Rico Public Improvement Refunding Bonds

330,795,000

5,000,000

UBS Investment Bank; Lehman Brothers; Morgan Stanley; Banc of America Securities LLC; BBVAPR MSD; Bear, Stearns & Co., Inc.; Citigroup Global Markets Inc.; DEPFA First Albany Securities LLC; Goldman, Sachs & Co.; J.P. Morgan Securities Inc.; Loop Capital

10/11/2007

Regents of the University of California

415,355,000

12,000,000

Lehman Brothers; Backstrom McCarley Berry & Co., LLC; Citigroup Global Markets Inc.; Rice Financial Products Company; Bear, Stearns & Co. Inc.; Jackson Securities, LLC; Merrill Lynch & Co.; Prager, Sealy & Co., LLC; Ross Sinclaire & Associates Inc.; SL Hare Capital; Wells Fargo Brokerage Services LLC



























BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

11/16/2007

The City of New York General Obligations Bonds

950,465,000

2,550,000

Citigroup Global Markets Inc., Bear, Stearns & Co. Inc, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated., A.G. Edwards & Sons, Inc., Banc of America Securities LLC, M.R. Beal  & Company, DEPFA First Albany Securities LLC, Goldman, Sachs & Co., J.P. Morgan Securities Inc., Lehman Brothers, Loop Capital Markets, Prager, Sealy & Co., LLC, Ramirez & Co., Inc., RBC Capital Markets, Siebert Brandford Shank & Co., UBS Securities LLC, Wachovia Bank, National Association, Cabrera Capital Markets Inc., Commerce Capital Markets, Inc., Jackson Securities. LLC, Janney Montgomery Scott LLC, Popular Securities, Inc., Raymond James & Associates, Roosevelt & Cross, Inc., Southwest Securities, Inc.





















BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

11/16/2007

The City of New York General Obligations Bonds

950,465,000

1,600,000

Citigroup Global Markets Inc., Bear, Stearns & Co. Inc, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated., A.G. Edwards & Sons, Inc., Banc of America Securities LLC, M.R. Beal  & Company, DEPFA First Albany Securities LLC, Goldman, Sachs & Co., J.P. Morgan Securities Inc., Lehman Brothers, Loop Capital Markets, Prager, Sealy & Co., LLC, Ramirez & Co., Inc., RBC Capital Markets, Siebert Brandford Shank & Co., UBS Securities LLC, Wachovia Bank, National Association, Cabrera Capital Markets Inc., Commerce Capital Markets, Inc., Jackson Securities. LLC, Janney Montgomery Scott LLC, Popular Securities, Inc., Raymond James & Associates, Roosevelt & Cross, Inc., Southwest Securities, Inc.

11/21/2007

California St Public Works

124,180,000

10,605,000

J.P. Morgan Securities, Great Pacific Securities, City National Securities Inc., Estrada Hinojosa & Company, Fidelity Capital Markets Services, Merrill Lynch & Co., RBC Capital Markets, S.B.K.-Brooks Investment Corp
















BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

2/8/2008

Met Trans Authority

1,000,000,000

10,000,000

J.P. Morgan Securities Inc., Lehman Brothers, UBS Investment Bank, Bear, Stearns & Co. Inc., Citi, Banc of America Securities LLC, DEPFA First Albany Securities LLC, Loop Capital Markets, LLC, Merrill Lynch & Co., Morgan Stanley, M.R. Beal & Company, Ramirez & Co., Inc., Raymond James & Associates, Inc., RBC Capital Markets, Roosevelt & Cross, Inc., Siebert Brandford Shank & Co., LLC, Wachovia Bank, N.A.































BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

3/5/2008

California State

 1,750,000,000

5,970,000

Siebert Brandford Shank & Co., LLC, E.J. De La Rosa & Co., Inc, Stone & Youngberg, Morgan Stanley & Co. Incorporated, Banc of America Securities LLC, Bear, Stearns & Co. Inc., Butler Wick & Co., Inc., Cabrera Capital Markets, LLC, Citi, City National Securities, Inc., DEPFA First Albany Securities LLC, Fidelity Capital Markets Services, First Southwest Company, Goldman, Sachs & Co., Great Pacific Securities, Jackson Securities, JPMorgan, Lehman Brothers, Loop Capital Markets, LLC, Merrill Lynch & Co., Morgan Keegan and Co., Inc., M.R. Beal & Company, Prager, Sealy & Company LLC, RBC Capital Markets, Ramirez & Co., Inc., Rice Financial Products Company, SL Hare Capital, Inc., Southwest Securities Inc., Toussaint Capital Partners, LLC, UBS Securities LLC, Wedbush Morgan Securities, Wells Fargo Institutional Securities, LLC















BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

3/5/2008

California State

 1,750,000,000

1,000,000

Siebert Brandford Shank & Co., LLC, E.J. De La Rosa & Co., Inc, Stone & Youngberg, Morgan Stanley & Co. Incorporated, Banc of America Securities LLC, Bear, Stearns & Co. Inc., Butler Wick & Co., Inc., Cabrera Capital Markets, LLC, Citi, City National Securities, Inc., DEPFA First Albany Securities LLC, Fidelity Capital Markets Services, First Southwest Company, Goldman, Sachs & Co., Great Pacific Securities, Jackson Securities, JPMorgan, Lehman Brothers, Loop Capital Markets, LLC, Merrill Lynch & Co., Morgan Keegan and Co., Inc., M.R. Beal & Company, Prager, Sealy & Company LLC, RBC Capital Markets, Ramirez & Co., Inc., Rice Financial Products Company, SL Hare Capital, Inc., Southwest Securities Inc., Toussaint Capital Partners, LLC, UBS Securities LLC, Wedbush Morgan Securities, Wells Fargo Institutional Securities, LLC
















BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

3/5/2008

California State

 1,750,000,000

1,250,000

Siebert Brandford Shank & Co., LLC, E.J. De La Rosa & Co., Inc, Stone & Youngberg, Morgan Stanley & Co. Incorporated, Banc of America Securities LLC, Bear, Stearns & Co. Inc., Butler Wick & Co., Inc., Cabrera Capital Markets, LLC, Citi, City National Securities, Inc., DEPFA First Albany Securities LLC, Fidelity Capital Markets Services, First Southwest Company, Goldman, Sachs & Co., Great Pacific Securities, Jackson Securities, JPMorgan, Lehman Brothers, Loop Capital Markets, LLC, Merrill Lynch & Co., Morgan Keegan and Co., Inc., M.R. Beal & Company, Prager, Sealy & Company LLC, RBC Capital Markets, Ramirez & Co., Inc., Rice Financial Products Company, SL Hare Capital, Inc., Southwest Securities Inc., Toussaint Capital Partners, LLC, UBS Securities LLC, Wedbush Morgan Securities, Wells Fargo Institutional Securities, LLC

4/11/2008

City of Clevelend, Ohio, Public Pwr Syst Rev Bond Series 08

93,712,880

2,000,000

Lehman Brothers, George K Baum & Co., JPMorgan, Loop Capital Markets, LLC, Merrill Lynch & Co.

5/2/2008

San Diego County Water Authority

558,015,000

9,375,000

Goldman, Sachs & Co., Citi, Banc of America Securities LLC, Lehman Brothers, Merrill Lynch & Co.




BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

5/2/2008

San Diego County Water Authority

558,015,000

7,500,000

Goldman, Sachs & Co., Citi, Banc of America Securities LLC, Lehman Brothers, Merrill Lynch & Co.

5/22/2008

MASSACHUSETTS ST HEALTH & EDL FACS

373,105,000

500,000

Citigroup Global Markets Inc., Morgan Stanley & Co. Incorporated, Merrill Lynch & Co.

6/5/2008

BROWARD CNTY FLA SCH BRD CTFS PART

270,560,000

15,000,000

J.P. Morgan Securities Inc., Banc of America Securities LLC, Citigroup Global Markets Inc., UBS Securities LLC, Merrill Lynch & Co., Morgan Stanley & Co. Incorporated, Raymond James & Associates, Inc., Rice Financial Products Company

6/5/2008

MIAMI-DADE CNTY FLA AVIATION REV

600,000,000

4,200,000

Banc of America Securities LLC, Estrada Hinojosa & Company, Inc., JPMorgan, Merrill Lynch & Co., Rice Financial Products Company, Butler Wick & Co., Inc., Goldman, Sachs & Co., Jackson Securities, Lehman Brothers, Loop Capital Markets, LLC, M.R. Beal & Co

6/5/2008

MIAMI-DADE CNTY FLA AVIATION REV

600,000,000

15,000,000

Banc of America Securities LLC, Estrada Hinojosa & Company, Inc., JPMorgan, Merrill Lynch & Co., Rice Financial Products Company, Butler Wick & Co., Inc., Goldman, Sachs & Co., Jackson Securities, Lehman Brothers, Loop Capital Markets, LLC, M.R. Beal & Co










BlackRock MuniYield Insured Fund, Inc.

FILE #811-06540

ATTACHMENT 77O



TRADE DATE

DESCRIPTION OF SECURITY

ISSUE SIZE

AMOUNT PURCHASED

LIST OF UNDERWRITERS

7/2/2008

NEW YORK ST DORM AUTH REVS ST SUPP

516,455,000

2,700,000

JPMorgan, Lehman Brothers, Goldman, Sachs & Co., Merrill Lynch, Ramirez & Co., Inc., Wachovia Bank, National Association, Cain Brothers & Company, LLC, DEPFA First Albany Securities LLC, Jackson Securities, Morgan Stanley, Raymond James & Associates, Inc., Roosevelt & Cross, Incorporated, Stearne, Agee & Leach, Inc.

7/31/2008

TEXAS ST UNIV SYS FING REV

207,395,000

1,350,000

Lehman Brothers, RBC Capital Markets, Estrada Hinojosa & Company, Inc., & Piper Jaffray & Co.

7/31/2008

TEXAS ST UNIV SYS FING REV

207,395,000

9,000,000

Lehman Brothers, RBC Capital Markets, Estrada Hinojosa & Company, Inc., & Piper Jaffray & Co.

7/31/2008

TEXAS ST UNIV SYS FING REV

207,395,000

9,000,000

Lehman Brothers, RBC Capital Markets, Estrada Hinojosa & Company, Inc., & Piper Jaffray & Co.

7/31/2008

TEXAS ST UNIV SYS FING REV

207,395,000

10,000,000

Lehman Brothers, RBC Capital Markets, Estrada Hinojosa & Company, Inc., & Piper Jaffray & Co.