Michael J Malecek

CIK 1779336 · Chief Legal Officer · last filed 2026-03-05

Michael J Malecek is a Chief Legal Officer who has filed 21 SEC Form 4 insider transactions across 1 company since 2019. The most recent filing, for PRTA, was dated Mar 5, 2026. Across all open-market trades the lifetime net is −$9.3M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $660.0K 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.

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Disclosed Exposure

$660.0K

Companies

1

Total Filings

21

Lifetime Open-Market Net

-$9.34M

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
PRTA Chief Legal Officer 80,000 $8.25 $660.0K -$9.34M 21 2026-03-05

Recent Filings

21 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-05 PRTA Grant (A) $0 EDGAR
2025-07-30 PRTA Grant (A) +80,000 $0 EDGAR
2025-03-07 PRTA Grant (A) $0 EDGAR
2024-02-29 PRTA Grant (A) $0 EDGAR
2023-09-27 PRTA Mixed -$185.5K EDGAR
2023-08-30 PRTA Mixed -$223.7K EDGAR
2023-07-26 PRTA Mixed -$260.3K EDGAR
2023-06-28 PRTA Mixed -$297.8K EDGAR
2023-05-31 PRTA Mixed -$271.9K EDGAR
2023-04-28 PRTA Mixed -$215.9K EDGAR
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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.