Insider Transactions Reported by 7 Insiders of Pharma-Bio Serv, Inc.

Symbol
PBSV on OTC
Location
Dorado, PR

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Quick Takeaways

  • PBSV - Pharma-Bio Serv, Inc. has 7 insiders with reported activity on this page.
  • No net insider buy/sell flow is currently reported for the last year.
  • Recent transaction rows are available for direct filing-level review.

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.

Source Evidence

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 17 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

Pharma-Bio Serv, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Elizabeth Plaza 10%+ Owner $4,084,096 Mixed 24 Jun 2021
Pedro J. Lasanta Chief Financial Officer $126,339 Mixed 26 Dec 2023
Altura Victor Sanchez President and CEO $12,065 Mixed 06 Mar 2023
Howard Spindel Director Mixed 10 Jan 2026
Dov Perlysky Director Mixed 10 Jan 2026
Kirk Wheeler Michel Chairman, Director Mixed 10 Jan 2026
Irving L. Wiesen Director Mixed 10 Jan 2026

Top shareholders of Pharma-Bio Serv, 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
Elizabeth Plaza
3/4/5
10%+ Owner —
class O/S missing
3,852,921
 $4,084,096 — 24 Jun 2021
3/4/5
Pedro J. Lasanta
3/4/5
Chief Financial Officer —
mixed-class rows
129,188
mixed-class rows
 $126,339 — 26 Dec 2023
3/4/5
Altura Victor Sanchez
3/4/5
President and CEO —
mixed-class rows
28,057
mixed-class rows
 $12,065 — 06 Mar 2023
3/4/5
Dov Perlysky
3/4/5
Director —
class O/S missing
20,000
 — — 10 Jan 2026
3/4/5
Howard Spindel
3/4/5
Director —
class O/S missing
20,000
 — — 10 Jan 2026
3/4/5
Irving L. Wiesen
3/4/5
Director —
class O/S missing
20,000
 — — 10 Jan 2026
3/4/5
Kirk Wheeler Michel
3/4/5
Chairman, Director —
class O/S missing
20,000
 — — 10 Jan 2026
3/4/5

Recent Insider Transactions by Companies or Individuals for Pharma-Bio Serv, 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
Kirk Wheeler Michel PBSV Stock Option Award 20,000 20,000 10 Jan 2026 Direct
Dov Perlysky PBSV Stock Option Award 20,000 20,000 10 Jan 2026 Direct
Howard Spindel PBSV Stock Option Award 20,000 20,000 10 Jan 2026 Direct
Irving L. Wiesen PBSV Stock Option Award 20,000 20,000 10 Jan 2026 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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