IPGP · IPG PHOTONICS CORP
← all insidersSemiconductors & Related Devices · Listed on Nasdaq
Open-market insider flow over 30d · 90d · 180d · 365d · filter in table · CSV · JSON
Open-market trades38
Distinct insiders6
Bought$199.4K
Sold$20.43M
Net flow$-20.23M
Recent filings
How to read this
- Filed
- Date the Form 4 was filed with the SEC. Insiders must file within 2 business days of the trade.
- Ticker
- The issuer's stock symbol. Select it to open that company's insider-activity page.
- Issuer
- The company whose shares were traded.
- Sector
- The issuer's industry (SEC SIC classification). Select a value to filter to that sector.
- Insider
- The reporting person: an officer, director, or 10% owner. Select a name to see all of their trades.
- Role
- The insider's relationship to the company: director, officer, or 10% owner.
- Code
- SEC transaction code describing the kind of transaction. Full official definitions are under “Transaction codes” below. A dot marks an open-market trade (P/S), the highest-conviction signal.
- Side
- Direction of the trade, from the filing's Acquired (A) ▲ / Disposed of (D) ▼ field: a buy or a sell.
- 10b5-1
- Trade made under a pre-arranged Rule 10b5-1 plan: scheduled in advance, not a discretionary decision (generally lower signal).
- Shares
- Number of shares in this transaction.
- Price
- Reported price per share. Blank for grants, gifts, and other trades with no stated price.
- Value
- Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ for their impact).
- Owned after
- Form 4 column “Amount of Securities Beneficially Owned Following Reported Transaction(s)”: shares the insider held (directly or indirectly) immediately after this trade.
- Own Δ
- How much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing.
- Co. Δ
- Change in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake. Based on the latest reported shares outstanding; blank when unavailable.
- D/I
- Form 4 column “Ownership Form: Direct (D) or Indirect (I)”. Indirect holdings (for example, through a trust, fund, or family member) are detailed in the filing's “Nature of Indirect Beneficial Ownership.”
- Lag
- Days from the trade date to the filing date (Form 4 is due within 2 business days).
Transaction codes
Verbatim from the SEC's General Instructions for Forms 3, 4 and 5.
- P
- Open market or private purchase of non-derivative or derivative security
- S
- Open market or private sale of non-derivative or derivative security
- A
- Grant, award or other acquisition pursuant to Rule 16b-3(d)
- D
- Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e)
- F
- Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3
- M
- Exercise or conversion of derivative security exempted pursuant to Rule 16b-3
- G
- Bona fide gift
- C
- Conversion of derivative security
- X
- Exercise of in-the-money or at-the-money derivative security
- J
- Other acquisition or disposition (describe transaction)
| FiledDate the Form 4 was filed with the SEC (due within 2 business days of the trade). | Insider | Role | CodeSEC transaction code describing the kind of transaction. See “How to read this” above for the official SEC definition of each code. The dot marks an open-market trade (P/S). | SideDirection of the trade: a buy (acquired ▲) or a sell (disposed ▼). | Shares | PriceReported price per share. Blank for trades with no stated price. | Value ↓Transaction value = shares × price. Left blank for grants, option exercises, gifts, and conversions, which have no cash price (see Own Δ). | Owned afterShares the insider held (directly or indirectly) immediately after this trade. | Own ΔHow much this trade changed the insider's own holding versus what they held just before it (not a share of the company). +45% grew it by 45%, 2.0× more than doubled it, −100% sold the entire stake, “new” built a position from nothing. | Co. ΔChange in the insider's stake as a share of the whole company from this trade (transaction shares ÷ shares outstanding). The “(now …)” figure is their resulting total stake in the company. Based on the latest reported shares outstanding; blank when unavailable. | Link to SEC filing |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-22 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 24,3470 | $102.04 | $2.48M | 6,694,152 | −0.4% | −0.06% (now 16%) | filing |
| 2026-07-22 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 23,8690 | $103.00 | $2.46M | 6,670,283 | −0.4% | −0.06% (now 16%) | filing |
| 2026-08-04 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 25,9940 | $85.76 | $2.23M | 6,437,308 | −0.4% | −0.06% (now 15%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 17,7350 | $102.09 | $1.81M | 6,507,021 | −0.3% | −0.04% (now 15%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 16,4060 | $104.33 | $1.71M | 6,477,311 | −0.3% | −0.04% (now 15%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 13,3040 | $103.08 | $1.37M | 6,493,717 | −0.2% | −0.03% (now 15%) | filing |
| 2026-09-03 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 18,0910 | $75.14 | $1.36M | 6,652,192 | −0.3% | −0.04% (now 16%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 11,3250 | $106.40 | $1.20M | 6,463,302 | −0.2% | −0.03% (now 15%) | filing |
| 2026-08-06 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 12,2020 | $95.18 | $1.16M | 6,424,100 | −0.2% | −0.03% (now 15%) | filing |
| 2026-08-06 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 11,9120 | $95.31 | $1.14M | 6,412,188 | −0.2% | −0.03% (now 15%) | filing |
| 2026-05-26 | Mammen Timothy PV | Officer (SVP, Chief Financial Officer) | S | ▼ sell | 7,2630 | $119.60 | $868.7K | 79,150 | −8% | −0.02% (now 0.19%) | filing |
| 2026-07-22 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 7,1000 | $101.20 | $718.5K | 6,718,499 | −0.1% | −0.02% (now 16%) | filing |
| 2026-06-08 | Gitin Mark Milton | Director, Officer (CEO) | F | ▼ sell | 4,6410 | $107.37 | $498.3K | 87,232 | −5% | −0.01% (now 0.21%) | filing |
| 2026-08-06 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 4,3240 | $97.81 | $422.9K | 6,406,539 | −<0.1% | −0.01% (now 15%) | filing |
| 2026-09-03 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 4,7150 | $76.25 | $359.5K | 6,642,886 | −<0.1% | −0.01% (now 16%) | filing |
| 2026-09-03 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 4,5910 | $75.65 | $347.3K | 6,647,601 | −<0.1% | −0.01% (now 16%) | filing |
| 2026-05-26 | Mammen Timothy PV | Officer (SVP, Chief Financial Officer) | S | ▼ sell | 2,7120 | $120.37 | $326.4K | 76,438 | −3% | −<0.01% (now 0.18%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 2,6840 | $105.37 | $282.8K | 6,474,627 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 2,4050 | $101.21 | $243.4K | 6,524,756 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-07-01 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 1,8410 | $100.19 | $184.4K | 6,527,161 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-05-15 | Desmond Jeanmarie F. | Director | S | ▼ sell | 1,6900 | $105.58 | $178.4K | 10,486 | −14% | −<0.01% (now 0.02%) | filing |
| 2026-08-06 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 1,3250 | $96.76 | $128.2K | 6,410,863 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-08-27 | PEELER JOHN R | Director | P | ▲ buy | 1,5520 | $72.84 | $113.0K | 19,728 | +9% | +<0.01% (now 0.05%) | filing |
| 2026-07-01 | Lopresti Angelo P | Officer (SVP, Secretary & Gen Counsel), 10% owner | S | ▼ sell10b5-1 | 1,0000 | $110.33 | $110.3K | 59,841 | −2% | −<0.01% (now 0.14%) | filing |
| 2026-07-22 | Valentin Gapontsev Trust I | 10% owner | S | ▼ sell10b5-1 | 1,0000 | $100.08 | $100.1K | 6,725,599 | −<0.1% | −<0.01% (now 16%) | filing |
| 2026-07-01 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 9730 | $100.43 | $97.7K | 50,285 | −2% | −<0.01% (now 0.12%) | filing |
| 2026-06-23 | Agnes Tang | Director | S | ▼ sell10b5-1 | 7750 | $117.32 | $90.9K | 10,324 | −7% | −<0.01% (now 0.02%) | filing |
| 2026-08-27 | PEELER JOHN R | Director | P | ▲ buy | 1,1580 | $74.57 | $86.4K | 20,886 | +6% | +<0.01% (now 0.05%) | filing |
| 2026-08-04 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 7830 | $85.72 | $67.1K | 48,951 | −2% | −<0.01% (now 0.12%) | filing |
| 2026-06-23 | Agnes Tang | Director | S | ▼ sell10b5-1 | 5360 | $118.08 | $63.3K | 9,788 | −5% | −<0.01% (now 0.02%) | filing |
| 2026-08-10 | Bucher Paulus | Officer (SVP, Global Operations) | F | ▼ sell | 6630 | $90.23 | $59.8K | 6,053 | −10% | −<0.01% (now 0.01%) | filing |
| 2026-08-06 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 5500 | $98.71 | $54.3K | 6,405,989 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-08-04 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 5060 | $86.14 | $43.6K | 6,436,802 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-08-04 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 3000 | $88.59 | $26.6K | 6,436,302 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-08-04 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 3000 | $87.45 | $26.2K | 48,451 | −0.6% | −<0.01% (now 0.11%) | filing |
| 2026-07-01 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 2500 | $101.24 | $25.3K | 50,035 | −0.5% | −<0.01% (now 0.12%) | filing |
| 2026-06-23 | Agnes Tang | Director | S | ▼ sell10b5-1 | 2000 | $119.32 | $23.9K | 9,588 | −2% | −<0.01% (now 0.02%) | filing |
| 2026-08-04 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 2410 | $88.68 | $21.4K | 48,210 | −0.5% | −<0.01% (now 0.11%) | filing |
| 2026-07-01 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 2000 | $106.66 | $21.3K | 49,734 | −0.4% | −<0.01% (now 0.12%) | filing |
| 2026-08-04 | IP FIBRE DEVICES LTD | 10% owner | S | ▼ sell10b5-1 | 2000 | $87.45 | $17.5K | 6,436,602 | −<0.1% | −<0.01% (now 15%) | filing |
| 2026-08-04 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 2000 | $86.34 | $17.3K | 48,751 | −0.4% | −<0.01% (now 0.11%) | filing |
| 2026-07-01 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 1000 | $102.92 | $10.3K | 49,935 | −0.2% | −<0.01% (now 0.12%) | filing |
| 2026-07-01 | SCHERBAKOV EUGENE A | Director, 10% owner | S | ▼ sell10b5-1 | 10 | $104.63 | $105 | 49,934 | −<0.1% | −<0.01% (now 0.12%) | filing |
| 2026-05-13 | Agnes Tang | Director | A | ▲ buy | 2,4360 | — | — | 11,099 | +28% | +<0.01% (now 0.03%) | filing |
| 2026-05-13 | Beecher Gregory R | Director | A | ▲ buy | 2,4360 | — | — | 12,216 | +25% | +<0.01% (now 0.03%) | filing |
| 2026-05-13 | Desmond Jeanmarie F. | Director | A | ▲ buy | 2,4360 | — | — | 12,176 | +25% | +<0.01% (now 0.03%) | filing |
| 2026-05-13 | Dougherty Greg | Director | A | ▲ buy | 2,4360 | — | — | 18,334 | +15% | +<0.01% (now 0.04%) | filing |
| 2026-05-13 | Samartsev Igor +1 more | Officer (SVP, Chief Scientist), Director | A | ▲ buy | 2,4360 | — | — | 115,701 | +2% | +<0.01% (now 0.27%) | filing |
| 2026-05-13 | Meurice Eric | Director | A | ▲ buy | 2,4360 | — | — | 25,239 | +11% | +<0.01% (now 0.06%) | filing |
| 2026-05-13 | PEELER JOHN R | Director | A | ▲ buy | 2,4360 | — | — | 18,176 | +15% | +<0.01% (now 0.04%) | filing |
| 2026-05-13 | KENNEDY KOLLEEN T | Director | A | ▲ buy | 2,4360 | — | — | 11,513 | +27% | +<0.01% (now 0.03%) | filing |
Up to 200 most recent filings · select a heading to sort, or open “How to read this” above for definitions · this company on SEC EDGAR.