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: $15.5MIndirect: $0$15.5Mas of 2026-09-16
  • Direct $15.5M
  • Indirect $0
RIVNdirect1,016,776 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

RIVN · 11 trades
2026-09-11: Sale, 15,000 sh ($244K)2026-08-15: Withheld for tax, 42,082 sh ($646K)2026-05-20: Award / grant, 1,682 sh ($20K)2026-05-15: Withheld for tax, 42,082 sh ($611K)2026-03-20: Award / grant, 264,201 sh ($0)2026-03-20: Award / grant, 528,402 sh ($0)2026-03-04: Withheld for tax, 12,453 sh ($188K)2026-03-04: Award / grant, 24,475 sh ($0)2026-02-15: Withheld for tax, 25,490 sh ($452K)2025-11-15: Withheld for tax, 33,614 sh ($508K)2025-08-15: Withheld for tax, 33,614 sh ($405K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-11RIVNSale15,000 @ $16.29$244K−1.5% of holding1,016,776Form 4
11 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-15RIVNWithheld for tax42,0821,031,776Form 4
2026-05-20RIVNAward / grant1,6821,073,858Form 4
2026-05-15RIVNWithheld for tax42,0821,072,176Form 4
2026-03-20RIVNAward / grant264,2011,114,258Form 4
2026-03-20RIVNAward / grant528,402528,402Form 4
2026-03-04RIVNWithheld for tax12,453850,057Form 4
2026-03-04RIVNAward / grant24,475862,510Form 4
2026-02-15RIVNWithheld for tax25,490838,035Form 4
2025-11-15RIVNWithheld for tax33,614863,525Form 4
2025-08-15RIVNWithheld for tax33,614897,139Form 4
2025-05-28Award / grant280,854555,169Form 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.