<?xml version="1.0" encoding="utf-8"?>
<ns1:informationTable xmlns:ns1="http://www.sec.gov/edgar/document/thirteenf/informationtable">
  <ns1:infoTable>
    <ns1:nameOfIssuer>ABRDN ETFS</ns1:nameOfIssuer>
    <ns1:titleOfClass>BBRG ALL COMD K1</ns1:titleOfClass>
    <ns1:cusip>003261104</ns1:cusip>
    <ns1:value>8655377</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>356335</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>356335</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>DIMENSIONAL ETF TRUST</ns1:nameOfIssuer>
    <ns1:titleOfClass>INTERNATNAL VAL</ns1:titleOfClass>
    <ns1:cusip>25434V807</ns1:cusip>
    <ns1:value>21286966</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>403315</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>403315</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>INVESCO EXCHANGE TRADED FD T</ns1:nameOfIssuer>
    <ns1:titleOfClass>S&amp;P500 EQL WGT</ns1:titleOfClass>
    <ns1:cusip>46137V357</ns1:cusip>
    <ns1:value>51400014</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>267820</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>267820</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES INC</ns1:nameOfIssuer>
    <ns1:titleOfClass>CORE MSCI EMKT</ns1:titleOfClass>
    <ns1:cusip>46434G103</ns1:cusip>
    <ns1:value>3035520</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>43520</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>43520</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>CORE MSCI EAFE</ns1:titleOfClass>
    <ns1:cusip>46432F842</ns1:cusip>
    <ns1:value>64366558</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>710997</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>710997</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>CORE S&amp;P500 ETF</ns1:titleOfClass>
    <ns1:cusip>464287200</ns1:cusip>
    <ns1:value>138272146</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>211681</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>211681</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>CORE US AGGBD ET</ns1:titleOfClass>
    <ns1:cusip>464287226</ns1:cusip>
    <ns1:value>302700338</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>3049263</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>3049263</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>MSCI INTL QUALTY</ns1:titleOfClass>
    <ns1:cusip>46434V456</ns1:cusip>
    <ns1:value>35547634</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>768930</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>768930</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>ISHARES TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>MSCI USA VALUE</ns1:titleOfClass>
    <ns1:cusip>46432F388</ns1:cusip>
    <ns1:value>40979158</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>288200</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>288200</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>J P MORGAN EXCHANGE TRADED F</ns1:nameOfIssuer>
    <ns1:titleOfClass>ULTRA SHRT ETF</ns1:titleOfClass>
    <ns1:cusip>46641Q837</ns1:cusip>
    <ns1:value>24613465</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>486336</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>486336</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>SCHWAB STRATEGIC TR</ns1:nameOfIssuer>
    <ns1:titleOfClass>US REIT ETF</ns1:titleOfClass>
    <ns1:cusip>808524847</ns1:cusip>
    <ns1:value>35375226</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>1646125</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>1646125</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>SPDR SERIES TRUST</ns1:nameOfIssuer>
    <ns1:titleOfClass>STATE STREET SPD</ns1:titleOfClass>
    <ns1:cusip>78464A664</ns1:cusip>
    <ns1:value>105166336</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>3998720</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>3998720</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>SPDR SERIES TRUST</ns1:nameOfIssuer>
    <ns1:titleOfClass>STATE STREET SPD</ns1:titleOfClass>
    <ns1:cusip>78464A847</ns1:cusip>
    <ns1:value>92499804</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>1561969</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>1561969</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>SPDR SERIES TRUST</ns1:nameOfIssuer>
    <ns1:titleOfClass>STATE STREET SPD</ns1:titleOfClass>
    <ns1:cusip>78464A607</ns1:cusip>
    <ns1:value>35205715</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>348675</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>348675</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
  <ns1:infoTable>
    <ns1:nameOfIssuer>SPDR SERIES TRUST</ns1:nameOfIssuer>
    <ns1:titleOfClass>STATE STREET SPD</ns1:titleOfClass>
    <ns1:cusip>78468R853</ns1:cusip>
    <ns1:value>64092759</ns1:value>
    <ns1:shrsOrPrnAmt>
      <ns1:sshPrnamt>1326423</ns1:sshPrnamt>
      <ns1:sshPrnamtType>SH</ns1:sshPrnamtType>
    </ns1:shrsOrPrnAmt>
    <ns1:investmentDiscretion>DFND</ns1:investmentDiscretion>
    <ns1:otherManager>1</ns1:otherManager>
    <ns1:votingAuthority>
      <ns1:Sole>1326423</ns1:Sole>
      <ns1:Shared>0</ns1:Shared>
      <ns1:None>0</ns1:None>
    </ns1:votingAuthority>
  </ns1:infoTable>
</ns1:informationTable>
