Spigelman Melvin K

Director · ANTX

As of 2026-09-17, Spigelman Melvin K has 14 Form 4 transactions on record across 1 company — 13 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.

Trades by company

ANTX · 14 trades
2026-03-19: Disposition, 23,742 sh2026-03-19: Disposition, 10,362 sh2026-03-19: Award / grant, 23,742 sh2026-03-19: Award / grant, 16,941 sh2026-03-19: Disposition, 16,941 sh2026-03-19: Award / grant, 10,362 sh2026-03-19: Disposition, 10,362 sh2026-03-19: Award / grant, 23,742 sh2026-03-19: Disposition, 23,742 sh2026-03-19: Award / grant, 16,941 sh2026-03-19: Disposition, 16,941 sh2026-03-19: Award / grant, 10,362 sh2026-02-20: Award / grant, 20,400 sh ($0)2025-05-22: Award / grant, 19,111 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
14 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-19ANTXDisposition23,7420Form 4
2026-03-19ANTXDisposition10,3620Form 4
2026-03-19ANTXAward / grant23,74223,742Form 4
2026-03-19ANTXAward / grant16,94116,941Form 4
2026-03-19ANTXDisposition16,9410Form 4
2026-03-19ANTXAward / grant10,36210,362Form 4
2026-03-19ANTXDisposition10,3620Form 4
2026-03-19ANTXAward / grant23,74223,742Form 4
2026-03-19ANTXDisposition23,7420Form 4
2026-03-19ANTXAward / grant16,94116,941Form 4
2026-03-19ANTXDisposition16,9410Form 4
2026-03-19ANTXAward / grant10,36210,362Form 4
2026-02-20ANTXAward / grant20,40020,400Form 4
2025-05-22ANTXAward / grant19,11119,111Form 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.