Callahan Michael John
CALLAHAN MICHAEL JOHN, CAO, reported a transaction classified as withholding at Rivian Automotive, Inc. DE involving 42082.000000 shares for an estimated $646379.52. Reported holdings after the transaction were 1031776.000000 shares. A 10b5-1 reference was not detected in the stored filing text.
- Trade date
- Aug 15, 2026
- Filing date
- Aug 18, 2026
How reported position traded is calculated
Calculated only for code-P purchases and code-S sales.
Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.
RIVN price since this filing
Daily closing prices, with the filing date and available return windowsTransaction facts
Stored Form 4 columns with their raw values
- Type
- withholding Code F
- Identifier
- 0001262742-26-000012 Class A Common Stock
- Transaction date
- Aug 15, 2026 Filed Aug 18, 2026, 09:24 PM · 3d delay
- Shares
- 42,082 sh $15.36 per share
- Estimated value
- -$646k Computed from shares × price
- Holdings after
- 1,031,776 sh Direct
Filing signal explanations
Badges describe filing facts only — not predictions.
-16 points
Compact filing score computed from stored Form 4 facts. Version v1.
This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.
How this score is calculated
- direct_ownership+6 points
direct_or_indirect_ownership = D
Direct ownership reports the insider's personal stake. - tax_withholding-22 points
transaction_code = F
Tax withholding on vesting shares is mechanical.
Signed filing-only points, not a probability or expected return. Version v1.
Reported relationships & other filings
Form 4 relationship flags and nearby filing context
Chief Administrative Officer
- F1
42,082 shares of Class A Common Stock were withheld by the Company for the purposes of satisfying tax withholding obligations in connection with the vesting of 82,704 Restricted Stock Units on August…
- F2
The closing price of the Issuer's Class A Common Stock on August 14, 2026.
0 other transactions
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