Share .mp4 video to Instagram via Android Intent

Android 4.4.4, Instagram 9.7.5

-> adb shell pm list packages -f
...
package:/data/app/com.instagram.android-2.apk=com.instagram.android
...


-> adb shell pm dump com.instagram.android | grep -A 1 MAIN
intent={act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x14008000 cmp=com.instagram.android/.activity.MainTabActivity}
realActivity=com.instagram.android/.activity.MainTabActivity
--
  android.intent.action.MAIN:
    65143b78 com.instagram.android/.activity.MainTabActivity filter 64ff3d90
--
      Action: "android.intent.action.MAIN"
      Category: "android.intent.category.LAUNCHER"

Android 7.1.1, Instagram 9.8.0

-> adb shell pm list packages -f
...
package:/data/app/com.instagram.android-1/base.apk=com.instagram.android
...


-> adb shell pm dump com.instagram.android | grep -A 1 MAIN
android.intent.action.MAIN:
  3d2eec5 com.instagram.android/.activity.MainTabActivity filter 770faff
--
    Action: "android.intent.action.MAIN"
    Category: "android.intent.category.LAUNCHER"
--
privateFlags=[ HAS_DOMAIN_URLS ]
dataDir=/data/user/0/com.instagram.android

ShareDialog.java

  public void startInstagram(String mediaPath) {
    final String INSTAGRAM_PACKAGE_NAME = "com.instagram.android";

    try {
      File media = new File(mediaPath);
      Uri uri = Uri.fromFile(media);

      Intent share = new Intent(Intent.ACTION_SEND);
      share.setType("video/*");
      share.putExtra(Intent.EXTRA_STREAM, uri);
      share.setPackage(INSTAGRAM_PACKAGE_NAME);
      startActivity(share);

      // startActivity(Intent.createChooser(share, R.string.chooserTitle));
    } catch (Exception e) { // Instagram package not present on device
      Toast.makeText(getActivity(), R.string.instagramRequirement, Toast.LENGTH_SHORT)
        .show();

      try { // Prompt to install Instagram via Google Play
        startActivity(new Intent(Intent.ACTION_VIEW,
            Uri.parse("market://details?id=" + INSTAGRAM_PACKAGE_NAME)));
      } catch (ActivityNotFoundException anfe) { // Prompt to install Instagram via browser
        startActivity(new Intent(Intent.ACTION_VIEW,
            Uri.parse("https://play.google.com/store/apps/details?id="
              + INSTAGRAM_PACKAGE_NAME)));
      }
    }
  }

Output from L15 Exception

E/ShareDialog: e.getLocalizedMessage >> file:///storage/emulated/0/870_90.mp4 exposed beyond app through ClipData.Item.getUri()
E/ShareDialog: e.getCause >> null