Insider Transactions Reported by 12 Insiders of CHEMBIO DIAGNOSTICS, INC.

Location
Hauppauge, NY

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Quick Takeaways

  • CHEMBIO DIAGNOSTICS, INC. has 12 insiders with reported activity on this page.
  • No net insider buy/sell flow is currently reported for the last year.
  • Recent transaction rows are not currently available.

What Changed

  • No meaningful buy/sell imbalance is currently visible in the one-year window.
  • Activity will update as new Forms 3/4/5 are filed.

Why This Matters

  • This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
  • Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.

Official SEC Source

Filed on Form 4

Issuer insider activity is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Insider trading overview

Last 12 months

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 13 Apr 2025.

Buys

$0

Shares: 0

Insiders: 0

Sells

$0

Shares: 0

Insiders: 0

Net

$0

Shares: 0

Insiders: 0

Window (months) Buy shares Sell shares Buy $ Sell $ Net $
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

CHEMBIO DIAGNOSTICS, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
PERCEPTIVE ADVISORS LLC 10%+ Owner $1,652,698 Mixed 04 Apr 2023
Lawrence J. Steenvoorden Officer Mixed 05 Jan 2023
Richard L. Eberly Chief Executive Officer and President, Director Mixed 15 Mar 2022
David Acheson Director Mixed 11 Mar 2022
John Gary Potthoff Director Mixed 11 Mar 2022
Paul J. Angelico Officer Mixed 28 Oct 2022
Leslie Teso-Lichtman Director Mixed 27 Apr 2023
Perceptive Credit Advisors, LLC Former 10% Owner Mixed 27 Apr 2023
Charles Caso Senior Vice President, Global Commercial Operations Mixed 01 Jun 2022
David William Bespalko Director Mixed 15 Mar 2022
Katherine Lyon Davis Director Mixed 11 Mar 2022
Javan Esfandiari Executive Vice President, Chief Science and Technology Officer Mixed 11 Mar 2022

Top shareholders of CHEMBIO DIAGNOSTICS, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
PERCEPTIVE ADVISORS LLC
3/4/5
10%+ Owner —
class O/S missing
3,672,662
 $1,652,698 — 04 Apr 2023
3/4/5

Recent Insider Transactions by Companies or Individuals for CHEMBIO DIAGNOSTICS, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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