MICHAEL A ZASLOFF

CIK 1033511 · last filed 2026-06-03

MICHAEL A ZASLOFF is a corporate insider who has filed 28 SEC Form 4 insider transactions across 1 company since 2014. The most recent filing, for AMPH, was dated Jun 3, 2026. Across all open-market trades the lifetime net is −$7.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $756.7K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

Loading insider history…
Disclosed Exposure

$756.7K

Companies

1

Total Filings

28

Lifetime Open-Market Net

-$7.38M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
AMPH Director 37,667 $20.09 $756.7K -$7.38M 28 2026-06-03

Recent Filings

28 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-03 AMPH Grant (A) +8,143 $0 EDGAR
2025-06-04 AMPH Grant (A) +5,122 $0 EDGAR
2024-06-05 AMPH Grant (A) +3,076 $0 EDGAR
2024-03-06 AMPH Sell (S) −12,500 -$589.7K EDGAR
2023-08-16 AMPH Sell (S) −12,759 -$730.0K EDGAR
2023-06-07 AMPH Grant (A) +2,716 $0 EDGAR
2023-05-16 AMPH Sell (S) −7,500 -$316.3K EDGAR
2022-06-14 AMPH Grant (A) +4,163 $0 EDGAR
2022-05-17 AMPH Mixed -$190.4K EDGAR
2022-03-17 AMPH Mixed -$166.0K EDGAR
Showing 110 of 28
Page 1 of 3
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.