John Sakys

CIK 1197710 · CFO · last filed 2025-06-25

John Sakys is a CFO who has filed 60 SEC Form 4 insider transactions across 2 companies since 2007. The most recent filing, for MLAB, was dated Jun 25, 2025. Across all open-market trades the lifetime net is −$8.1M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.6M 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

$1.65M

Companies

2

Total Filings

60

Lifetime Open-Market Net

-$8.10M

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
MLAB CFO 15,598 $105.48 $1.65M -$8.10M 57 2025-06-25
ISONICS CORP (ISOND) Delisted COO, Interim CEO 1,143 $0 1 2007-02-16

Recent Filings

60 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2025-06-25 MLAB Mixed +582 $55.8K EDGAR
2025-06-20 MLAB Mixed +1,597 $148.5K EDGAR
2025-06-18 MLAB Mixed +819 -$62.3K EDGAR
2025-06-18 MLAB Grant (A) $0 EDGAR
2025-06-11 MLAB E $0 EDGAR
2024-09-06 MLAB Mixed +583 -$60.7K EDGAR
2024-06-21 MLAB Grant (A) $0 EDGAR
2024-06-17 MLAB Mixed +732 -$52.4K EDGAR
2024-04-03 MLAB E $0 EDGAR
2023-09-05 MLAB Grant (A) $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.