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IPGP Insider Trading & Form 4 Activity

IPG PHOTONICS CORP
Last filing: Oct 6, 2026·18 days ago
NEUTRAL · LAST 90 DAYS
100%
buyers
$199K
2 buys
$0
0 sells
$199K
net buying
1
insider
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Net flow — last 12 months

Monthly net of insider buys minus sells. Green months indicate net buying; red months indicate net selling.

Most active insiders

Ranked by total transaction value over the last 90 days.

INSIDERBOUGHTSOLDNET
Ip Fibre Devices Ltd
Insider
—
$6.5M
-$6.5M
Valentin Gapontsev Trust I
Insider
—
$2.1M
-$2.1M
Scherbakov Eugene A
Insider
—
$392K
-$392K
Peeler John R
Insider
$199K
—
$199K
Bucher Paulus
SVP, Global Operations
—
—
$0

Recent transactions

Every Form 4 transaction for IPGP, newest first.

SELL10b5-1
Scherbakov Eugene A · Insider
Tx Oct 2·Filed Oct 6·EDGAR ↗
3,048 sh @ $85.30
$260K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Oct 2·Filed Oct 6·EDGAR ↗
9,876 sh @ $85.39
$843K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Oct 2·Filed Oct 6·EDGAR ↗
5,485 sh @ $86.09
$472K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Sep 2·Filed Sep 3·EDGAR ↗
4,591 sh @ $75.65
$347K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Sep 2·Filed Sep 3·EDGAR ↗
4,715 sh @ $76.25
$360K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Sep 1·Filed Sep 3·EDGAR ↗
18,091 sh @ $75.14
$1.4M
BUY
Peeler John R · Insider
Tx Aug 26·Filed Aug 27·EDGAR ↗
1,158 sh @ $74.57
$86K
BUY
Peeler John R · Insider
Tx Aug 26·Filed Aug 27·EDGAR ↗
1,552 sh @ $72.84
$113K
TAX
Bucher Paulus · SVP, Global Operations
Tx Aug 8·Filed Aug 10·EDGAR ↗
663 sh @ $90.23
$60K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Aug 5·Filed Aug 6·EDGAR ↗
550 sh @ $98.71
$54K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Aug 5·Filed Aug 6·EDGAR ↗
4,324 sh @ $97.81
$423K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Aug 5·Filed Aug 6·EDGAR ↗
1,325 sh @ $96.76
$128K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Aug 5·Filed Aug 6·EDGAR ↗
11,912 sh @ $95.31
$1.1M
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Aug 4·Filed Aug 6·EDGAR ↗
12,202 sh @ $95.18
$1.2M
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
300 sh @ $87.45
$26K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
241 sh @ $88.68
$21K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
25,994 sh @ $85.76
$2.2M
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
506 sh @ $86.14
$44K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
200 sh @ $87.45
$17K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
300 sh @ $88.59
$27K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
200 sh @ $86.34
$17K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jul 31·Filed Aug 4·EDGAR ↗
783 sh @ $85.72
$67K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Jul 21·Filed Jul 22·EDGAR ↗
7,100 sh @ $101.20
$719K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Jul 21·Filed Jul 22·EDGAR ↗
24,347 sh @ $102.04
$2.5M
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Jul 21·Filed Jul 22·EDGAR ↗
1,000 sh @ $100.08
$100K
SELL10b5-1
Valentin Gapontsev Trust I · Insider
Tx Jul 21·Filed Jul 22·EDGAR ↗
23,869 sh @ $103.00
$2.5M
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
100 sh @ $102.92
$10K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
250 sh @ $101.24
$25K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
973 sh @ $100.43
$98K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
1,841 sh @ $100.19
$184K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
2,405 sh @ $101.21
$243K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
17,735 sh @ $102.09
$1.8M
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
13,304 sh @ $103.08
$1.4M
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
16,406 sh @ $104.33
$1.7M
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
2,684 sh @ $105.37
$283K
SELL10b5-1
Ip Fibre Devices Ltd · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
11,325 sh @ $106.40
$1.2M
SELL10b5-1
Lopresti Angelo P · SVP, Secretary & Gen Counsel
Tx Jun 29·Filed Jul 1·EDGAR ↗
1,000 sh @ $110.33
$110K
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
1 sh @ $104.63
$105
SELL10b5-1
Scherbakov Eugene A · Insider
Tx Jun 29·Filed Jul 1·EDGAR ↗
200 sh @ $106.66
$21K
SELL10b5-1
Agnes Tang · Insider
Tx Jun 22·Filed Jun 23·EDGAR ↗
536 sh @ $118.08
$63K
SELL10b5-1
Agnes Tang · Insider
Tx Jun 22·Filed Jun 23·EDGAR ↗
775 sh @ $117.32
$91K
SELL10b5-1
Agnes Tang · Insider
Tx Jun 22·Filed Jun 23·EDGAR ↗
200 sh @ $119.32
$24K
TAX
Gitin Mark Milton · CEO
Tx Jun 5·Filed Jun 8·EDGAR ↗
4,641 sh @ $107.37
$498K
SELL
Mammen Timothy Pv · SVP, Chief Financial Officer
Tx May 22·Filed May 26·EDGAR ↗
2,712 sh @ $120.37
$326K
SELL
Mammen Timothy Pv · SVP, Chief Financial Officer
Tx May 22·Filed May 26·EDGAR ↗
7,263 sh @ $119.60
$869K
SELL
Desmond Jeanmarie F. · Insider
Tx May 14·Filed May 15·EDGAR ↗
1,690 sh @ $105.58
$178K
AWARD
Samartsev Igor · SVP, Chief Scientist
Tx May 12·Filed May 13·EDGAR ↗
2,436 sh
—
AWARD
Kennedy Kolleen T · Insider
Tx May 12·Filed May 13·EDGAR ↗
2,436 sh
—
AWARD
Peeler John R · Insider
Tx May 12·Filed May 13·EDGAR ↗
2,436 sh
—
AWARD
Desmond Jeanmarie F. · Insider
Tx May 12·Filed May 13·EDGAR ↗
2,436 sh
—

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About IPGP insider trading data

Form 4 is the SEC filing required when an officer, director, or 10% owner of a public company buys or sells the company's stock. By law, these filings must be submitted within two business days of the trade. Tracenotes pulls every Form 4 filing for IPGP from EDGAR, parses it, and surfaces the activity on this page.

What insider buying tells you. Open-market purchases by insiders are widely studied as a meaningful signal. Unlike stock awards (which are compensation, not conviction), an executive spending their own money to buy shares of the company they run is a vote of confidence. Studies have found insider-buying clusters — three or more insiders buying within a short window — outperform the broader market over the following year.

What insider selling tells you. Selling is noisier. Many sales are pre-scheduled under SEC Rule 10b5-1 plans, which let insiders sell on a fixed schedule regardless of company news. We label these "10b5-1" so you can see them. Discretionary sales — sales not tied to a plan — are more meaningful, especially when multiple insiders sell in quick succession.

Tracenotes methodology. We scan EDGAR daily for new Form 4 filings, parse them into individual transactions, and detect clusters when three or more distinct insiders buy or sell within a 14-day window. The data on this page covers the last 12 months. For deeper analysis, Tracenotes also runs language-change detection on 10-K and 10-Q filings — that's our core product.

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Frequently asked questions

What is a Form 4 filing?

Form 4 is the SEC disclosure required when a company insider — an officer, director, or 10% owner — buys or sells the company's stock. By law these filings must be submitted within two business days of the trade.

Is insider buying IPGP always bullish?

Open-market purchases by insiders are widely viewed as a bullish signal because executives are spending their own money. Stock awards and option exercises are part of compensation and don't carry the same weight, which is why we treat them separately on this page.

What is a 10b5-1 trade?

A trade made under SEC Rule 10b5-1, which lets insiders pre-schedule sales weeks or months in advance. These sales execute on a fixed plan regardless of company news, so they're a weaker signal than discretionary sales. We label them with a "10b5-1" tag.

What is an insider cluster?

A cluster is when three or more distinct insiders buy or sell within a 14-day window. Clusters are studied as stronger signals than single trades because multiple people independently reach the same view. We surface active clusters on IPG PHOTONICS CORP (IPGP) when they form.

Where does IPGP insider trading data come from?

Every Form 4 filing for IPGP is sourced directly from SEC EDGAR. Tracenotes scans EDGAR daily, parses each Form 4 into individual transactions, and updates this page within hours of new filings.

Nothing on this page constitutes investment advice. Form 4 data is sourced from SEC EDGAR and provided for research purposes only.

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