diff --git a/adapters/sharethrough/butler.go b/adapters/sharethrough/butler.go
index 61081aaa3ff..522bbc4967e 100644
--- a/adapters/sharethrough/butler.go
+++ b/adapters/sharethrough/butler.go
@@ -7,6 +7,7 @@ import (
 	"github.com/prebid/prebid-server/adapters"
 	"github.com/prebid/prebid-server/errortypes"
 	"github.com/prebid/prebid-server/openrtb_ext"
+	"github.com/prebid/prebid-server/privacy/ccpa"
 	"net/http"
 	"net/url"
 	"regexp"
@@ -21,6 +22,7 @@ type StrAdSeverParams struct {
 	BidID              string
 	ConsentRequired    bool
 	ConsentString      string
+	USPrivacySignal    string
 	InstantPlayCapable bool
 	Iframe             bool
 	Height             uint64
@@ -94,6 +96,11 @@ func (s StrOpenRTBTranslator) requestFromOpenRTB(imp openrtb.Imp, request *openr
 		return nil, err
 	}
 
+	usPolicySignal := ""
+	if usPolicy, err := ccpa.ReadPolicy(request); err == nil {
+		usPolicySignal = usPolicy.Value
+	}
+
 	return &adapters.RequestData{
 		Method: "POST",
 		Uri: s.UriHelper.buildUri(StrAdSeverParams{
@@ -101,6 +108,7 @@ func (s StrOpenRTBTranslator) requestFromOpenRTB(imp openrtb.Imp, request *openr
 			BidID:              imp.ID,
 			ConsentRequired:    s.Util.gdprApplies(request),
 			ConsentString:      userInfo.Consent,
+			USPrivacySignal:    usPolicySignal,
 			Iframe:             strImpParams.Iframe,
 			Height:             height,
 			Width:              width,
@@ -184,6 +192,9 @@ func (h StrUriHelper) buildUri(params StrAdSeverParams) string {
 	v.Set("bidId", params.BidID)
 	v.Set("consent_required", fmt.Sprintf("%t", params.ConsentRequired))
 	v.Set("consent_string", params.ConsentString)
+	if params.USPrivacySignal != "" {
+		v.Set("us_privacy", params.USPrivacySignal)
+	}
 	if params.TheTradeDeskUserId != "" {
 		v.Set("ttduid", params.TheTradeDeskUserId)
 	}
diff --git a/adapters/sharethrough/butler_test.go b/adapters/sharethrough/butler_test.go
index 40c59b50442..402e8365dd0 100644
--- a/adapters/sharethrough/butler_test.go
+++ b/adapters/sharethrough/butler_test.go
@@ -437,6 +437,7 @@ func TestBuildUri(t *testing.T) {
 				BidID:              "bid",
 				ConsentRequired:    true,
 				ConsentString:      "consent",
+				USPrivacySignal:    "ccpa",
 				InstantPlayCapable: true,
 				Iframe:             false,
 				Height:             20,
@@ -450,6 +451,7 @@ func TestBuildUri(t *testing.T) {
 				"bidId=bid",
 				"consent_required=true",
 				"consent_string=consent",
+				"us_privacy=ccpa",
 				"instant_play_capable=true",
 				"stayInIframe=false",
 				"height=20",
diff --git a/adapters/sharethrough/sharethrough.go b/adapters/sharethrough/sharethrough.go
index d1b2408ce66..5e0377ab27a 100644
--- a/adapters/sharethrough/sharethrough.go
+++ b/adapters/sharethrough/sharethrough.go
@@ -10,7 +10,7 @@ import (
 )
 
 const supplyId = "FGMrCMMc"
-const strVersion = 7
+const strVersion = 8
 
 func NewSharethroughBidder(endpoint string) *SharethroughAdapter {
 	return &SharethroughAdapter{