<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>013 - Disclosure - Note 8 - Employment Contracts and Stock Compensation to Related Parties</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>c4_From1Jan2013To30Jun2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0001347022</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_RelatedPartyTransactionsAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Related Party Transactions [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_RelatedPartyTransactionsDisclosureTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="c4_From1Jan2013To30Jun2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; MARGIN: 0pt" id="PARA2267"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;&amp;#160;&lt;/font&gt;&lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;&lt;b&gt;8.&amp;#160;&amp;#160;&amp;#160;Employment

      Contracts and Stock Compensation to Related

      Parties&lt;/b&gt;&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 45pt; MARGIN: 0pt" id="PARA2269"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;On

      September 30, 2011, the Company entered into a First

      Amendment to Employment and Non-Compete Agreement (the

      &amp;#8220;First Silverman Amendment&amp;#8221;) with Mr. Silverman

      in connection with Mr. Silverman&amp;#8217;s&amp;#160;ceasing to be

      the Company&amp;#8217;s Chief Executive Officer. The First

      Silverman Amendment amended the Employment and Non-Compete

      Agreement dated November 11, 2010 between the Company and Mr.

      Silverman and provided for, among other things, the issuance

      of restricted stock of the Company to Mr. Silverman in the

      aggregate amount of approximately $3.4 million (the

      &amp;#8220;Restricted Stock&amp;#8221;) in lieu of

      contractually-committed cash salary and bonus for 2012

      through 2015. The Restricted Stock was to be issued based

      upon the average daily volume-weighted average price of the

      Company&amp;#8217;s common stock for the five trading days

      preceding the date of the First Silverman Amendment. The

      Restricted Stock was subject to registration rights and price

      protection provisions, and was to be granted upon the earlier

      of (i) a reverse stock split or (ii) the receipt of

      stockholder approval to increase the number of authorized

      shares of common stock of the Company to at least 7 million

      shares. The Restricted Stock was price protected through the

      date on which the registration statement registering such

      shares became effective, such that if the value of the

      Restricted Stock at such time was less than the average daily

      volume-weighted average price of the Company&amp;#8217;s common

      stock for the five trading days preceding the date of the

      First Silverman Amendment, additional shares would be issued

      to subsidize any shortfall. On January 27, 2012, the Company

      issued the Restricted Stock to Mr. Silverman, totaling 0.7

      million shares.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 45pt; MARGIN: 0pt" id="PARA2271"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;On

      December 6, 2011, the Compensation Committee approved an

      Amended and Restated Employment, Consulting and Non-Compete

      Agreement (the &amp;#8220;Amended and Restated Agreement&amp;#8221;)

      between the Company and Mr. Silverman in connection with Mr.

      Silverman&amp;#8217;s negotiated departure from the Board of

      Directors of the Company as of December 6, 2011 and his

      continued service as consultant to the Company until March 1,

      2012. The Amended and Restated Agreement amends and restates

      the Employment and Non-Compete Agreement dated November 11,

      2010 between the Company and Mr. Silverman and the First

      Silverman Amendment, and provides for, among other things,

      clarification of the terms of Mr. Silverman&amp;#8217;s

      separation from the Company and continued vesting of Mr.

      Silverman&amp;#8217;s unvested stock grants. The Company also

      granted Mr. Silverman a security interest in substantially

      all of the Company&amp;#8217;s assets (the &amp;#8220;Security

      Agreement&amp;#8221;) until such time as the stock obligations

      under the Amended and Restated Agreement were

      fulfilled.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 45pt; MARGIN: 0pt" id="PARA2273"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;Under

      the Amended and Restated Agreement, the Company agreed to

      satisfy certain contractual obligations totaling

      approximately $462,000, which was recorded in accrued

      liabilities at December 31, 2011 (the &amp;#8220;Contractual

      Obligations&amp;#8221;), through the issuance of 98,724 shares of

      common stock from the 2011 Plan to Mr. Silverman (the

      &amp;#8220;Contractual Obligations Stock&amp;#8221;) on January 2,

      2012. On January 2, 2012, the Company issued the Contractual

      Obligations Stock to Mr. Silverman.&amp;#160;The

      Company&amp;#160;filed a registration statement on Form S-1 for

      resale of the Restricted Stock (the &amp;#8220;Registration

      Statement&amp;#8221;) with the SEC on January 31, 2012, as

      amended on February 2, 2012 and as further amended on

      February 13, 2012, March 28, 2012 and April 6, 2012.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 45pt; MARGIN: 0pt" id="PARA2275"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;On

      March 23, 2012, the Board of Directors approved a First

      Amendment to the Amended and Restated Agreement (the

      &amp;#8220;First Amendment to Amended and Restated Employment

      Agreement&amp;#8221;) between the Company and Mr. Silverman in

      connection with the elimination of any and all price

      protection provisions&amp;#160;under the Amended and Restated

      Agreement and any other further registration rights

      obligations. Under the First Amendment to Amended and

      Restated Agreement,&amp;#160;the Company&amp;#160;agreed to issue

      0.54 million shares of restricted stock of the Company to Mr.

      Silverman on March 23, 2012 (the &amp;#8220;Price Protection

      Shares&amp;#8221;). The Price Protection Shares were issued in

      order to (i) eliminate any and all price protection

      provisions under the Amended and Restated Agreement,

      including, but not limited to, any price protection

      provisions relating to a reverse stock split, and (ii) any

      further registration rights obligations.&amp;#160;&amp;#160;The Price

      Protection Shares were included on a pre-effective amendment

      to the Registration Statement filed with the SEC on March 28,

      2012, which Registration Statement went effective on April

      10, 2012. Upon effectiveness of the Registration Statement,

      the Security Agreement terminated.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 45pt; MARGIN: 0pt" id="PARA2277"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;On

      December 6, 2011, the Compensation Committee approved a First

      Amendment to Employment and Non-Compete Agreement (the

      &amp;#8220;First Caragol Amendment&amp;#8221;) between the Company

      and Mr. Caragol in connection with Mr. Caragol&amp;#8217;s

      assumption of the position of Chairman of the Board of the

      Company effective December 6, 2011. The First Caragol

      Amendment amends the Employment and Non-Compete Agreement

      dated November 11, 2010, between the Company and Mr. Caragol

      and provides for, among other things, the elimination of any

      future guaranteed raises and bonuses, other than a 2011 bonus

      of $375,000 to be paid beginning January 1, 2012 in twelve

      (12) equal monthly payments. This bonus was not paid during

      2012 and on January 8, 2013, $300,000 of such bonus was

      converted into 738,916 shares of our restricted common stock,

      which vest on January 1, 2016.&amp;#160;&amp;#160;The remaining

      $75,000 remains deferred.&amp;#160;&amp;#160;The First Caragol

      Amendment obligates the Company to grant to Mr. Caragol an

      aggregate of 0.5 million shares of restricted stock over a

      four-year period as follows: (i) 100,000 shares upon

      execution of the First Caragol Amendment, which shall vest on

      January 1, 2014, (ii) 100,000 shares on January 1, 2012,

      which shall vest on January 1, 2015, (iii)

      100,000&amp;#160;&amp;#160;shares on January 1, 2013, which shall

      vest on January 1, 2015, (iv) 100,000 shares on January 1,

      2014, which shall vest on January 1, 2016, and (v)

      100,000&amp;#160;&amp;#160;shares on January 1, 2015, which shall

      vest on January 1, 2016. Stock compensation expense related

      to the restricted share grants totaled approximately $180,000

      and $172,000 for the six months ended June 30, 2013 and 2012,

      respectively.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;&lt;p style="TEXT-ALIGN: left; LINE-HEIGHT: 1.25; TEXT-INDENT: 36pt; MARGIN: 0pt" id="PARA2279"&gt;

      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;On

      February 21, 2013, the Board approved a Tax Equalization Plan

      to compensate board members for permanent out-of-pocket tax

      payments&amp;#160;incurred by accepting equity compensation in

      lieu of cash consideration between 2010-2012. The total plan

      compensation is $510,000 in aggregate and will only be paid

      out such time as the Company has sufficient working capital.

      The Company expensed the compensation in the six months ended

      June 30, 2013.&lt;/font&gt;

    &lt;/p&gt;&lt;br/&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 850

 -SubTopic 10

 -Section 50

 -Paragraph 4

 -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39622-107864



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 850

 -SubTopic 10

 -Section 50

 -Paragraph 3

 -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39603-107864



Reference 3: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 850

 -SubTopic 10

 -Section 50

 -Paragraph 1

 -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39549-107864



Reference 4: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 04

 -Paragraph b

 -Article 3A



Reference 5: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 235

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.4-08.(k))

 -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690



Reference 6: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 08

 -Paragraph k

 -Article 4



Reference 7: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 850

 -SubTopic 10

 -Section 50

 -Paragraph 6

 -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39691-107864



Reference 8: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 850

 -SubTopic 10

 -Section 50

 -Paragraph 5

 -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39678-107864



</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Related Party Transactions Disclosure [Text Block]</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>Note 8 - Employment Contracts and Stock Compensation to Related Parties</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://positiveidcorp.com/role/Note8EmploymentContractsandStockCompensationtoRelatedParties</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
