John Gyurci

CIK 1850688 · See Remarks · last filed 2026-03-13

John Gyurci is a corporate insider who has filed 44 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for MMED, was dated Mar 13, 2026. Across all open-market trades the lifetime net is −$2.4M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $232.3K 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

$232.3K

Companies

2

Total Filings

44

Lifetime Open-Market Net

-$2.42M

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
MMED See Remarks 15,322 $15.16 $232.3K $0 2 2026-03-13
Sun Country Airlines Holdings, LLC (SNCY) Delisted Chief Acct. Off. & VP, Finance 24,885 $16.17 $402.4K -$2.42M 42 2025-10-06

Recent Filings

44 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-13 MMED Grant (A) +15,322 $0 EDGAR
2026-03-11 MMED Grant (A) $0 EDGAR
2025-10-06 Sun Country Airlines Holdings, LLC (SNCY) Delisted Sell (S) −224 -$2.6K EDGAR
2025-09-12 Sun Country Airlines Holdings, LLC (SNCY) Delisted Mixed -$39.4K EDGAR
2025-09-05 Sun Country Airlines Holdings, LLC (SNCY) Delisted Sell (S) −704 -$9.4K EDGAR
2025-07-03 Sun Country Airlines Holdings, LLC (SNCY) Delisted Sell (S) −309 -$3.6K EDGAR
2025-06-16 Sun Country Airlines Holdings, LLC (SNCY) Delisted Sell (S) −3,150 -$36.2K EDGAR
2025-05-05 Sun Country Airlines Holdings, LLC (SNCY) Delisted Grant (A) +11,699 $0 EDGAR
2025-04-03 Sun Country Airlines Holdings, LLC (SNCY) Delisted Sell (S) −318 -$3.8K EDGAR
2025-02-14 Sun Country Airlines Holdings, LLC (SNCY) Delisted Grant (A) +6,273 $0 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.