Michael John Callahan

CIK: 0001262742

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (16.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)6 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (2)

RIVN

Rivian Automotive, Inc. / DE

Officer

NOTE

FiscalNote Holdings, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (12 total)

RIVN
Rivian Automotive, Inc. / DE
Oct 1, 2026
Sale(S)
Direct
15K shares at avg. $15.00$225K
RIVN
Rivian Automotive, Inc. / DE
Sep 11, 2026
Sale(S)
Direct
15K shares at avg. $16.29$244K
RIVN
Rivian Automotive, Inc. / DE
Aug 15, 2026
Tax Payment(F)
Direct
42.1K shares at avg. $15.36$646K
RIVN
Rivian Automotive, Inc. / DE
May 20, 2026
Award(A)
Direct
1.7K shares at avg. $11.67$20K
RIVN
Rivian Automotive, Inc. / DE
May 15, 2026
Tax Payment(F)
Direct
42.1K shares at avg. $14.52$611K
RIVN
Rivian Automotive, Inc. / DE
Mar 20, 2026
Award(A)
Direct
264.2K shares-
RIVN
Rivian Automotive, Inc. / DE
Mar 4, 2026
Tax Payment(F)
Direct
12.5K shares at avg. $15.10$188K
RIVN
Rivian Automotive, Inc. / DE
Mar 4, 2026
Award(A)
Direct
24.5K shares-
RIVN
Rivian Automotive, Inc. / DE
Feb 15, 2026
Tax Payment(F)
Direct
25.5K shares at avg. $17.73$452K
RIVN
Rivian Automotive, Inc. / DE
Nov 15, 2025
Tax Payment(F)
Direct
33.6K shares at avg. $15.11$508K
RIVN
Rivian Automotive, Inc. / DE
Aug 15, 2025
Tax Payment(F)
Direct
33.6K shares at avg. $12.06$405K
NOTE
FiscalNote Holdings, Inc.
May 28, 2025
Award(A)
Direct
280.9K shares-

		Type	Shares	Price		Ownership
Oct 1, 2026	RIVN Rivian Automotive, Inc. / DE	Sale(S)	15,000	$15.00	$225,000	Direct
Sep 11, 2026	RIVN Rivian Automotive, Inc. / DE	Sale(S)	15,000	$16.29	$244,391	Direct
Aug 15, 2026	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	42,082	$15.36	$646,380	Direct
May 20, 2026	RIVN Rivian Automotive, Inc. / DE	Award(A)	1,682	$11.67	$19,630	Direct
May 15, 2026	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	42,082	$14.52	$611,031	Direct
Mar 20, 2026	RIVN Rivian Automotive, Inc. / DE	Award(A)	264,201	-	$0	Direct
Mar 4, 2026	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	12,453	$15.10	$188,040	Direct
Mar 4, 2026	RIVN Rivian Automotive, Inc. / DE	Award(A)	24,475	-	$0	Direct
Feb 15, 2026	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	25,490	$17.73	$451,938	Direct
Nov 15, 2025	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	33,614	$15.11	$507,908	Direct
Aug 15, 2025	RIVN Rivian Automotive, Inc. / DE	Tax Payment(F)	33,614	$12.06	$405,385	Direct
May 28, 2025	NOTE FiscalNote Holdings, Inc.	Award(A)	280,854	-	-	Direct

1-12 of 12 transactions

About CALLAHAN MICHAEL JOHN

CALLAHAN MICHAEL JOHN (SEC CIK 0001262742) files insider reports with the SEC as Chief Administrative Officer of Rivian Automotive, Inc. / DE (RIVN) and Director of FiscalNote Holdings, Inc. (NOTE).

Signal8 holds 12 ownership filings by CALLAHAN MICHAEL JOHN (1 Form 3, 11 Form 4), filed between May 29, 2025 and Oct 2, 2026. Those filings report 12 transactions, from May 28, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on CALLAHAN MICHAEL JOHN's filings is in IRVINE, CA.

Recent filings by CALLAHAN MICHAEL JOHN

Oct 1, 2026: Open-market sale of RIVN shares (Form 4, code S).
Sep 11, 2026: Open-market sale of RIVN shares (Form 4, code S).
Aug 15, 2026: Tax withholding of RIVN shares (Form 4, code F).
May 20, 2026: Grant or award of RIVN shares (Form 4, code A).
May 15, 2026: Tax withholding of RIVN shares (Form 4, code F).

Other insiders filing for Rivian Automotive, Inc. / DE (RIVN)

Mulvey Derek B, Interim CFO
McDonough Claire, Chief Financial Officer
Gomez Aidan N., Director
Schwartz Sanford Harold, Director
Krafcik John, Director
Krawiec Peter, Director

How to read Form 4 transaction codes