IPGP

IPG PHOTONICS CORP

SEC CIK 1111928
$111.19 +12.4% · 90 days
90-day buys
$0
0 open-market
90-day sells
$1.43M
4 open-market
Net insider flow
−$1.43M
Net selling
Filings shown
38
Most recent
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At a glance

Over the last 90 days, insiders at IPGP have sold a net $1.43M of stock (0 open-market buys vs 4 sells).

Largest recent trade: Ip Fibre Devices Ltd sold $2.21M of IPGP.

Most active filer: Ip Fibre Devices Ltd, with 12 transactions among the recent filings shown.

Insider transaction history

Form 4 filings for IPGP, newest first
View on SEC EDGAR ↗
IPGP
Sell Mammen Timothy PV · SVP, Chief Financial Officer · Open-market sale · filed 2w ago ΔOwn −8.4%

Mammen Timothy Pv sold $868.7K of IPGP, trimming their stake 8%.

−$868.7K
7,263 sh @ $120
IPGP
Sell Mammen Timothy PV · SVP, Chief Financial Officer · Open-market sale · filed 2w ago ΔOwn −3.4%

Mammen Timothy Pv sold $326.4K of IPGP, trimming their stake 3%.

−$326.4K
2,712 sh @ $120
IPGP
Sell Desmond Jeanmarie F. · Director · Open-market sale · filed 4w ago ΔOwn −14%

Desmond Jeanmarie F. sold $178.4K of IPGP, trimming their stake 14%.

−$178.4K
1,690 sh @ $106
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IPGP
Sell Buttarazzi Mary E. · VP, Corp Controller and CAO · Open-market sale · filed Mar 17, 2026 ΔOwn −9.5%

Buttarazzi Mary E. sold $58.1K of IPGP, trimming their stake 10%.

−$58.1K
500 sh @ $116
IPGP
Tax withholding Lopresti Angelo P · SVP, Secretary & Gen Counsel, 10% Owner · Tax withholding · filed Mar 3, 2026 ΔOwn −5.9%
−$506.3K
3,848 sh @ $132
IPGP
Tax withholding Ness Trevor · SVP, Chief Revenue Officer · Tax withholding · filed Mar 3, 2026 ΔOwn −8.1%
−$447.6K
3,402 sh @ $132
IPGP
Sell SCHERBAKOV EUGENE A · Director, 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −0.3%

Scherbakov Eugene A sold $27.1K of IPGP.

−$27.1K
200 sh @ $136
IPGP
Sell SCHERBAKOV EUGENE A · Director, 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −2.5%

Scherbakov Eugene A sold $205.7K of IPGP, trimming their stake 2%.

−$205.7K
1,500 sh @ $137
IPGP
Sell SCHERBAKOV EUGENE A · Director, 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −0.7%

Scherbakov Eugene A sold $55.3K of IPGP, trimming their stake 1%.

−$55.3K
400 sh @ $138
IPGP
Sell SCHERBAKOV EUGENE A · Director, 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −1.0%

Scherbakov Eugene A sold $84K of IPGP, trimming their stake 1%.

−$84K
600 sh @ $140
IPGP
Sell IP FIBRE DEVICES LTD · 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −0.1%

Ip Fibre Devices Ltd sold $557.3K of IPGP.

−$557.3K
4,241 sh @ $131
IPGP
Sell IP FIBRE DEVICES LTD · 10% Owner · Open-market sale · filed Feb 24, 2026 ΔOwn −0.1%

Ip Fibre Devices Ltd sold $609.2K of IPGP.

−$609.2K
4,604 sh @ $132
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About IPGP insider activity

This page tracks every recent Form 4 filed for IPG PHOTONICS CORP with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is IPGP insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for IPG PHOTONICS CORP usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.