UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 6)*

                              Silgan Holdings Inc.
                              --------------------
                                (Name of Issuer)

                          Common Stock, $0.01 Par Value
                         ------------------------------
                         (Title of Class of Securities)

                                   827048 10 9
                                 --------------
                                 (CUSIP Number)


                                December 31, 2008
                          -----------------------------
                          (Date of Event Which Requires
                            Filing of this Statement)


     Check the  appropriate  box to  designate  the rule  pursuant to which this
Schedule is filed:

            [_] Rule 13d-1(b)

            [_] Rule 13d-1(c)

            [X] Rule 13d-1(d)

     *The  remainder  of this cover  page  shall be filled  out for a  reporting
person's  initial  filing on this  form with  respect  to the  subject  class of
securities,  and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The  information  required in the remainder of this cover page shall not be
deemed to be "filed"  for the purpose of Section 18 of the  Securities  Exchange
Act of 1934 ("Act") or otherwise  subject to the  liabilities of that section of
the Act but shall be subject to all other  provisions of the Act  (however,  see
the Notes).





CUSIP NO. 827048 10 9                  13G                           Page 2 of 9
--------------------------------------------------------------------------------

1.    Names of Reporting Persons                            R. Philip Silver

      I.R.S. Identification
      Nos. of Above Persons (Entities Only)

--------------------------------------------------------------------------------

2.    Check the Appropriate Box if a Member of a Group (see instructions)

      (a) [ ]
      (b) [ ]

--------------------------------------------------------------------------------

3.    SEC Use Only

--------------------------------------------------------------------------------

4.    Citizenship or Place of Organization                  United States

--------------------------------------------------------------------------------

                           5.  Sole Voting Power            5,132,616

    Number of              -----------------------------------------------------
     Shares
   Beneficially            6.  Shared Voting Power          1,306,539
    Owned by
      Each                 -----------------------------------------------------
    Reporting
     Person                7.  Sole Dispositive Power       5,132,616
      With
                           -----------------------------------------------------

                           8.  Shared Dispositive Power     1,306,539

--------------------------------------------------------------------------------

9.    Aggregate Amount Beneficially Owned
      by Each Reporting Person                              6,439,155

--------------------------------------------------------------------------------

10.   Check if the Aggregate Amount in Row (9)              [ ]
      Excludes Certain Shares (see instructions)

--------------------------------------------------------------------------------

11.   Percent of Class Represented by Amount in Row (9)     17.0%

--------------------------------------------------------------------------------

12.   Type of Reporting Person (see instructions)           IN

--------------------------------------------------------------------------------







CUSIP NO. 827048 10 9                  13G                           Page 3 of 9
--------------------------------------------------------------------------------

1.    Names of Reporting Persons                            D. Greg Horrigan

      I.R.S. Identification
      Nos. of Above Persons (Entities Only)

--------------------------------------------------------------------------------


2.    Check the Appropriate Box if a Member of a Group (see instructions)

      (a) [ ]
      (b) [ ]
--------------------------------------------------------------------------------

3.    SEC Use Only

--------------------------------------------------------------------------------

4.    Citizenship or Place of Organization                  United States

--------------------------------------------------------------------------------

                           5.  Sole Voting Power            5,001,770

    Number of              -----------------------------------------------------
     Shares
   Beneficially            6.  Shared Voting Power             48,500
    Owned by
      Each                 -----------------------------------------------------
    Reporting
     Person                7.  Sole Dispositive Power       5,001,770
      With
                           -----------------------------------------------------

                           8.  Shared Dispositive Power        48,500

--------------------------------------------------------------------------------

9.    Aggregate Amount Beneficially Owned
      by Each Reporting Person                              5,050,270

--------------------------------------------------------------------------------

10.   Check if the Aggregate Amount in Row (9)              [ ]
      Excludes Certain Shares (see instructions)

--------------------------------------------------------------------------------

11.   Percent of Class Represented by Amount in Row (9)     13.3%

--------------------------------------------------------------------------------

12.   Type of Reporting Person (see instructions)           IN

--------------------------------------------------------------------------------








Item 1(a) Name of Issuer:      Silgan Holdings Inc.
          --------------


Item 1(b) Address of Issuer's Principal Executive Offices:   4 Landmark Square
          -----------------------------------------------    Suite 400
                                                             Stamford, CT  06901

Item 2(a) Name of Person Filing:
          ---------------------

This statement is filed on behalf of the persons identified below. In accordance
with  Rule  13d-1(k)(1)  under  the  Act,  each  person  filing  this  statement
acknowledges  that he is responsible  for the  completeness  and accuracy of the
information  concerning  him  but is not  responsible  for the  completeness  or
accuracy of the  information  concerning  the other  persons  making the filing,
unless he knows or has reason to believe that such information is inaccurate.

                              R. Philip Silver
                              D. Greg Horrigan


Item 2(b) Address of Principal Business Office or, if none, Residence:
          -----------------------------------------------------------

The  business  address  of R.  Philip  Silver is 4 Landmark  Square,  Suite 400,
Stamford, Connecticut 06901.

The  business  address  of D. Greg  Horrigan  is 4 Landmark  Square,  Suite 400,
Stamford, Connecticut 06901.


Item 2(c) Citizenship:   Each of the persons filing this statement is a United
          -----------    States citizen.

Item 2(d) Title of Class of Securities:  Common Stock
          ----------------------------

Item 2(e) CUSIP Number:                  827048 10 9
          ------------

Item 3.   If this  statement  is  filed  pursuant  to  section  240.13d-1(b)  or
          ----------------------------------------------------------------------
          240.13d-2(b) or (c), check whether the person filing is a:
          ---------------------------------------------------------

      (a) [ ] Broker or dealer registered under Section 15 of the Act;

      (b) [ ] Bank as defined in Section 3(a)(6) of the Act;

      (c) [ ] Insurance company as defined in Section 3(a)(19) of the Act;

      (d) [ ] Investment company registered under Section 8 of the Investment
              Company Act of 1940;


                                  Page 4 of 9



      (e) [ ] An investment adviser in accordance with section 240.13d-
              1(b)(1)(ii)(E);

      (f) [ ] An employee benefit plan or endowment fund in accordance with
              section 240.13d-1(b)(1)(ii)(F);

      (g) [ ] A parent holding company or control person in accordance with
              section 240.13d-1(b)(1)(ii)(G);

      (h) [ ] A savings association as defined in Section 3(b) of the Federal
              Deposit Insurance Act;

      (i) [ ] A church plan that is excluded from the definition of an
              investment company under Section 3(c)(14) of the Investment
              Company Act of 1940;

      (j) [ ] A non-U.S. institution in accordance with section 240.13d-
              1(b)(1)(ii)(J);

      (k) [ ] Group, in accordance with section 240.13d-1(b)(1)(ii)(K).

          If  filing  as a  non-U.S.  institution  in  accordance  with  section
          240.13d-1(b)(1)(ii)(J),   please  specify  the  type  of  institution:
          ______________________.

      Not applicable.


Item 4.  Ownership.
         ---------

     (a) Amount beneficially owned:

     As of December  31,  2008,  Mr.  Silver may be deemed to be the  beneficial
     owner of  6,439,155  shares of Common  Stock.  This amount  consists of (i)
     3,079,030 shares of Common Stock owned directly by Mr. Silver over which he
     has sole voting and  dispositive  power;  (ii)  2,000,000  shares of Common
     Stock owned by grantor  retained  annuity trusts of which Mr. Silver is the
     sole trustee with sole voting and dispositive power; (iii) 1,123,539 shares
     of Common  Stock owned by the Robert  Philip  Silver 2002 GRAT  Article III
     Trust for Benefit of Spouse and  Descendants  (of which Mr. Silver's spouse
     is a co-trustee), over which Mr. Silver may be deemed to have shared voting
     and  dispositive  power;  (iv) 183,000  shares of Common Stock owned by the
     Silver Family  Foundation of which Mr. Silver,  his spouse and his sons are
     the  trustees  with shared  voting and  dispositive  power;  and (v) 53,586
     shares of Common Stock owned by the Silver Family  Limited  Partnership  of
     which  Mr.  Silver  is the  sole  general  partner  with  sole  voting  and
     dispositive power. This amount excludes 857 shares of Common Stock issuable
     for 857  restricted  stock  units  granted to Mr.  Silver  under the Silgan
     Holdings Inc. 2004 Stock Incentive Plan, as amended, which restricted stock
     units vested on June 1, 2008 but for which Mr. Silver has deferred  receipt
     of such shares until June 1, 2017.  This amount also excludes 877 shares of
     Common Stock issuable for 877 restricted  stock units granted to Mr. Silver
     under the Silgan Holdings Inc. 2004 Stock Incentive Plan, as


                                  Page 5 of 9




     amended,  which  restricted  stock units vest on June 5, 2009 but for which
     Mr. Silver has deferred receipt of such shares until June 5, 2013.

     As of December 31, 2008,  Mr.  Horrigan may be deemed to be the  beneficial
     owner of  5,050,270  shares of Common  Stock.  This amount  consists of (i)
     4,693,374  shares of Common Stock owned directly by Mr. Horrigan over which
     he has sole voting and  dispositive  power;  (ii)  48,500  shares of Common
     Stock  owned by The Pay It Forward  Foundation  (formerly  known as Futures
     Foundation)  of which Mr.  Horrigan  and his spouse are the  trustees  with
     shared voting and  dispositive  power;  and (iii) 308,396  shares of Common
     Stock  owned by the  Horrigan  Family  Limited  Partnership  of  which  Mr.
     Horrigan  is the sole  general  partner  with sole  voting and  dispositive
     power.  This amount  excludes 857 shares of Common  Stock  issuable for 857
     restricted  stock units granted to Mr.  Horrigan under the Silgan  Holdings
     Inc. 2004 Stock Incentive Plan, as amended,  which  restricted  stock units
     vested on June 1, 2008 but for which Mr.  Horrigan has deferred  receipt of
     such shares  until June 1, 2017.  This amount also  excludes  877 shares of
     Common  Stock  issuable  for 877  restricted  stock  units  granted  to Mr.
     Horrigan  under the Silgan  Holdings  Inc.  2004 Stock  Incentive  Plan, as
     amended,  which  restricted  stock units vest on June 5, 2009 but for which
     Mr. Horrigan has deferred receipt of such shares until June 5, 2018.

     (b) Percent of class:

     According to the Issuer's most recent  Quarterly  Report on Form 10-Q,  the
     number of shares outstanding of the Issuer's Common Stock as of October 31,
     2008 was  37,963,110.  The shares of Common  Stock which Mr.  Silver may be
     deemed to beneficially own as of December 31, 2008 constitute approximately
     17.0% of such  total  number of shares of  Common  Stock  outstanding.  The
     shares of Common Stock which Mr. Horrigan may be deemed to beneficially own
     as of December 31, 2008 constitute approximately 13.3% of such total number
     of shares of Common Stock outstanding.

     (c) Number of shares of Common Stock as to which the person has:

     Mr. Silver
     ----------

     (i)    Sole power to vote or to direct the vote:                 5,132,616
     (ii)   Shared power to vote or to direct the vote:               1,306,539
     (iii)  Sole power to dispose or to direct the disposition of:    5,132,616
     (iv)   Shared power to dispose or to direct the disposition of:  1,306,539

     Mr. Horrigan
     ------------

     (i)    Sole power to vote or to direct the vote:                 5,001,770
     (ii)   Shared power to vote or to direct the vote:                  48,500
     (iii)  Sole power to dispose or to direct the disposition of:    5,001,770
     (iv)   Shared power to dispose or to direct the disposition of:     48,500



                                  Page 6 of 9



Item 5.   Ownership of Five Percent or Less of a Class.
          --------------------------------------------

          If this  statement  is being  filed to report  the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more  than  five  percent  of the  class of  securities,  check the
          following. [ ]

Item 6.   Ownership of More than Five Percent on Behalf of Another Person.
          ---------------------------------------------------------------

          Not applicable.

Item 7.   Identification and Classification of the Subsidiary Which Acquired the
          ----------------------------------------------------------------------
          Security Being  Reported on by the Parent  Holding  Company or Control
          ----------------------------------------------------------------------
          Person.
          ------

          Not applicable.

Item 8.   Identification and Classification of Members of the Group.
          ---------------------------------------------------------

          Not applicable.

Item 9.   Notice of Dissolution of Group.
          ------------------------------

          Not applicable.

Item 10.  Certification.
          -------------

          Not applicable.



                                  Page 7 of 9




                                    Signature

     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.



Date:  February 12, 2009


                                                      /s/ R. Philip Silver
                                                      --------------------------
                                                      R. Philip Silver



                                                      /s/ D. Greg Horrigan
                                                      --------------------------
                                                      D. Greg Horrigan



                                  Page 8 of 9







                                    EXHIBIT 1

                             JOINT FILING AGREEMENT


     In  accordance  with Rule  13d-1(k)(1)  promulgated  under  the  Securities
Exchange  Act of 1934,  as amended,  the  undersigned  hereby agree to the joint
filing  with each  other on behalf  of each of them of this  Amendment  No. 6 to
Schedule  13G with  respect  to the  Common  Stock,  $.01 par  value,  of Silgan
Holdings  Inc.  This Joint Filing  Agreement  shall be included as an exhibit to
such Amendment No. 6 to Schedule 13G.

     IN WITNESS  WHEREOF,  the  undersigned  have  executed  this  Joint  Filing
Agreement as of the 12th day of February, 2009.



                                                      /s/ R. Philip Silver
                                                      --------------------------
                                                      R. Philip Silver



                                                      /s/ D. Greg Horrigan
                                                      --------------------------
                                                      D. Greg Horrigan


                                  Page 9 of 9