US v. Singer
Defendant: WILLIAM RICK SINGER
Appellee: UNITED STATES
Interested Party: JOHN WILSON, INTERNAL REVENUE SERVICE and VANGUARD GROUP, INC.
Case Number: 26-1234
Filed: March 13, 2026
Court: U.S. Court of Appeals, First Circuit
Nature of Suit: Other
Docket Report

This docket was last retrieved on September 4, 2026. A more recent docket listing may be available from PACER.

Date Filed Document Text
September 4, 2026 RESPONSE filed by Appellant William Rick Singer to motion for summary disposition [ # 6840654-2 ]. Served on 09/04/2026. [26-1234] CLERK'S NOTE: Docket entry was edited to modify the docket text. (AMK) [Entered: 09/04/2026 11:52 AM]
September 4, 2026 SUPPLEMENTAL APPENDIX filed by Appellee US. Served on 09/04/2026. Five paper copies of the electronically filed appendix must be submitted so that they are received by the court on or before 09/11/2026 [26-1234] (GB) [Entered: 09/04/2026 11:44 AM]
September 4, 2026 Opinion or Order ORDER entered. Upon consideration of Appellee United States's motion to file a supplemental appendix, the motion is allowed. The proposed supplemental appendix attached to the motion is accepted for filing on this date. It is ordered that FIVE (5) identical copies to the proposed supplemental appendix are due on or before September 11, 2026 . [26-1234] (GB) [Entered: 09/04/2026 11:42 AM]
September 4, 2026 APPENDIX tendered by Appellee US. Served on 09/04/2026. [26-1234] (CEH) [Entered: 09/04/2026 10:52 AM]
September 4, 2026 MOTION for summary disposition filed by Appellee US. Served on 09/04/2026. [26-1234] (CEH) [Entered: 09/04/2026 10:29 AM]
September 4, 2026 MOTION for leave to file supplemental appendix filed by Appellee US. Served on 09/04/2026. [26-1234] (CEH) [Entered: 09/04/2026 10:26 AM]
September 4, 2026 BRIEF tendered by Appellee US. [26-1234] (CEH) [Entered: 09/04/2026 10:20 AM]
August 3, 2026 Opinion or Order ORDER granting motion to extend time to file brief filed by Appellee US. Brief due 09/04/2026 for appellee United States. [26-1234] (JW) [Entered: 08/03/2026 05:55 PM]
August 1, 2026 ASSENTED TO MOTION to extend time to file brief filed by Appellee US. Served on 08/01/2026. [26-1234] (CEH) [Entered: 08/01/2026 10:39 AM]
August 1, 2026 NOTICE of appearance on behalf of Appellee US filed by Attorney Carol E. Head. Served on 08/01/2026. [26-1234] (CEH) [Entered: 08/01/2026 10:30 AM]
July 6, 2026 APPELLANT'S BRIEF filed by Appellant William Rick Singer. Served on 06/25/2026. Nine paper copies identical to that of the electronically filed brief must be submitted so that they are received by the court on or before 07/13/2026 . Brief due 08/05/2026 for APPELLEE United States. [26-1234] (NP) [Entered: 07/06/2026 08:55 AM]
July 6, 2026 APPENDIX filed by Appellant William Rick Singer. Served on 06/26/2026. Five paper copies of the electronically filed appendix must be submitted so that they are received by the court on or before 07/13/2026. [26-1234] (NP) [Entered: 07/06/2026 09:03 AM]
June 26, 2026 APPENDIX tendered by Appellant William Rick Singer. Served on 06/25/2026. [26-1234] (AMK) [Entered: 06/26/2026 12:20 AM]
June 25, 2026 BRIEF tendered by Appellant William Rick Singer. [26-1234] (AMK) [Entered: 06/25/2026 11:58 PM]
June 25, 2026 BRIEF tendered by Appellant William Rick Singer. [26-1234] (AMK) [Entered: 06/25/2026 11:55 PM]
May 11, 2026 Mail returned as undeliverable to Attorney Donald H. Heller for Appellant William Rick Singer. Copy of Notice issued April 23, 2026. [26-1234] (NKR) [Entered: 05/15/2026 05:53 PM]
May 8, 2026 Opinion or Order ORDER granting motion to extend time to file brief and appendix filed by Appellant William Rick Singer. Brief and Appendix due 06/25/2026 for appellant William Rick Singer. [26-1234] (JW) [Entered: 05/08/2026 07:04 PM]
May 7, 2026 MOTION to extend time to file brief and appendix filed by Appellant William Rick Singer. Served on 05/07/2026. [26-1234] (AMK) [Entered: 05/07/2026 01:52 PM]
April 23, 2026 NOTICE issued. The following attorneys have failed to register for an appellate ECF account and will no longer receive notice of court issued documents in this case: Donald H. Heller for William Rick Singer and Daniel Medici for John Wilson. [26-1234] (JW) [Entered: 04/23/2026 11:23 AM]
April 14, 2026 BRIEFING schedule set. Brief and Appendix due 05/26/2026 for appellant William Rick Singer. Pursuant to F.R.A.P. 31(a), appellee's brief will be due 30 days following service of appellant's brief and appellant's reply brief will be due 21 days following service of appellee's brief. [26-1234] (JW) [Entered: 04/14/2026 03:23 PM]
April 6, 2026 Mail returned as undeliverable to Attorney Donald H. Heller for Appellant William Rick Singer. Copy of Case Opening Notice issued March 13, 2026. [26-1234] (NKR) [Entered: 04/13/2026 08:55 AM]
March 14, 2026 NOTICE of appearance on behalf of Appellant William Rick Singer filed by Attorney Aaron M. Katz. Served on 03/14/2026. [26-1234] (AMK) [Entered: 03/14/2026 11:03 AM]
March 14, 2026 DOCKETING statement filed by Appellant William Rick Singer. Served on 03/14/2026. [26-1234] (AMK) [Entered: 03/14/2026 11:04 AM]
March 14, 2026 TRANSCRIPT report/order form filed by Appellant William Rick Singer indicating all necessary transcripts have already been filed in district court. Served on 03/14/2026. [26-1234] (AMK) [Entered: 03/14/2026 11:03 AM]
March 13, 2026 CRIMINAL CASE docketed. Notice of appeal (doc. #213) filed by Appellant William Rick Singer. Appearance form, Docketing Statement, and Transcript Report/Order form due 03/27/2026. [26-1234] (JW) [Entered: 03/13/2026 08:48 PM]

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Appellee: UNITED STATES
Represented By: Leslie Wright
Represented By: Justin David O'Connell
Represented By: Donald Campbell Lockhart
Represented By: Kristen A. Kearney
Represented By: Carol Elisabeth Head
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Defendant: WILLIAM RICK SINGER
Represented By: David Andrew Slocum
Represented By: Aaron M. Katz
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Interested party: JOHN WILSON
Represented By: Lauren M. Papenhausen
Represented By: Daniel Medici
Represented By: Michael D. Kendall
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Interested party: INTERNAL REVENUE SERVICE
Represented By: Internal Revenue Service
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Interested party: VANGUARD GROUP, INC.
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