CALLAHAN MICHAEL JOHN
Director · Officer · RIVN
As of 2026-09-16, CALLAHAN MICHAEL JOHN has 12 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $15.5M
- Indirect $0
| RIVN | direct | 1,016,776 sh | $15.5M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-11 | RIVN | Sale | 15,000 @ $16.29 | $244K | −1.5% of holding | 1,016,776 | Form 4 |
11 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-08-15 | RIVN | Withheld for tax | 42,082 | 1,031,776 | Form 4 |
| 2026-05-20 | RIVN | Award / grant | 1,682 | 1,073,858 | Form 4 |
| 2026-05-15 | RIVN | Withheld for tax | 42,082 | 1,072,176 | Form 4 |
| 2026-03-20 | RIVN | Award / grant | 264,201 | 1,114,258 | Form 4 |
| 2026-03-20 | RIVN | Award / grant | 528,402 | 528,402 | Form 4 |
| 2026-03-04 | RIVN | Withheld for tax | 12,453 | 850,057 | Form 4 |
| 2026-03-04 | RIVN | Award / grant | 24,475 | 862,510 | Form 4 |
| 2026-02-15 | RIVN | Withheld for tax | 25,490 | 838,035 | Form 4 |
| 2025-11-15 | RIVN | Withheld for tax | 33,614 | 863,525 | Form 4 |
| 2025-08-15 | RIVN | Withheld for tax | 33,614 | 897,139 | Form 4 |
| 2025-05-28 | — | Award / grant | 280,854 | 555,169 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.