Vollmer John C.

Director · AMTM

As of 2026-09-16, Vollmer John C. has 10 Form 4 transactions on record across 1 company — 4 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: $8.4MIndirect: $0$8.4Mas of 2026-09-16
  • Direct $8.4M
  • Indirect $0
AMTMdirect424,780 sh$8.4M

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

AMTM · 10 trades
2026-02-06: Option exercise, 11,564 sh ($0)2026-02-06: Award / grant, 5,062 sh ($0)2026-02-06: Option exercise, 11,564 sh2026-02-06: Option exercise, 11,564 sh2025-04-08: Award / grant, 11,564 sh ($0)2025-03-05: Option exercise, 3,447 sh ($0)2025-03-05: Option exercise, 3,447 sh2025-03-05: Option exercise, 3,447 sh2024-12-17: Other acquisition, 391,341 sh2024-12-17: Other acquisition, 391,341 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
10 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-06AMTMOption exercise11,5640Form 4
2026-02-06AMTMAward / grant5,062429,842Form 4
2026-02-06AMTMOption exercise11,564424,780Form 4
2026-02-06AMTMOption exercise11,564424,780Form 4
2025-04-08AMTMAward / grant11,56411,564Form 4
2025-03-05AMTMOption exercise3,4470Form 4
2025-03-05AMTMOption exercise3,447394,788Form 4
2025-03-05AMTMOption exercise3,447394,788Form 4
2024-12-17AMTMOther acquisition391,341391,341Form 4
2024-12-17AMTMOther acquisition391,341391,341Form 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.