IPGP insider buying and SEC filings, explained
Ipg Photonics Corp. · CIK 1111928
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Semiconductors & Related Devices
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$199K
Insiders who bought
1
Sold (not marked 10b5-1)
$1.4M
Planned sales (10b5-1)
$71.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 2, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 15,361 shares at about $85.64 ($1.3M), marked as a 10b5-1 plan trade. Holdings down <1% to 6,390,628 shares. | SEC filing Filed Oct 6, 2026, 4:42 PM ET |
| Oct 2, 2026 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 3,048 shares at about $85.30 ($260K), marked as a 10b5-1 plan trade. Holdings down 6% to 45,162 shares. | SEC filing Filed Oct 6, 2026, 4:40 PM ET |
| Sep 1–2, 2026 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 27,397 shares between Sep 1 and Sep 2 at about $75.42 ($2.1M), marked as a 10b5-1 plan trade. Holdings down <1% to 6,642,886 shares. | SEC filing Filed Sep 3, 2026 |
| Aug 26, 2026 | Purchase (code P) | John R. Peeler (Director) bought 2,710 shares at about $73.58 ($199K), reported as a purchase (code P). Holdings up 15% to 20,886 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 27, 2026 |
| Aug 4–5, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 30,313 shares between Aug 4 and Aug 5 at about $95.74 ($2.9M), marked as a 10b5-1 plan trade. Holdings down <1% to 6,405,989 shares. | SEC filing Filed Aug 6, 2026 |
| Jul 31, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 27,000 shares at about $85.81 ($2.3M), marked as a 10b5-1 plan trade. Holdings down <1% to 6,436,302 shares. | SEC filing Filed Aug 4, 2026 |
| Jul 31, 2026 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 1,524 shares at about $86.61 ($132K), marked as a 10b5-1 plan trade. Holdings down 3% to 48,210 shares. | SEC filing Filed Aug 4, 2026 |
| Jul 21, 2026 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 56,316 shares at about $102.31 ($5.8M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,670,283 shares. | SEC filing Filed Jul 22, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 65,700 shares at about $103.64 ($6.8M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,463,302 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | Angelo P Lopresti (SVP, Secretary & Gen Counsel and 10% owner) sold 1,000 shares at about $110.33 ($110K), marked as a 10b5-1 plan trade. Holdings down 2% to 59,841 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 29, 2026 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 1,524 shares at about $101.55 ($155K), marked as a 10b5-1 plan trade. Holdings down 3% to 49,734 shares. | SEC filing Filed Jul 1, 2026 |
| Jun 22, 2026 | Planned (10b5-1) | Tang Agnes (Director) sold 1,511 shares at about $117.85 ($178K), marked as a 10b5-1 plan trade. Holdings down 14% to 9,588 shares. | SEC filing Filed Jun 23, 2026 |
| May 22, 2026 | Sale | Timothy PV Mammen (CFO) sold 9,975 shares at about $119.81 ($1.2M). Holdings down 12% to 76,438 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 26, 2026 |
| May 14, 2026 | Sale | Jeanmarie F. Desmond (Director) sold 1,690 shares at about $105.58 ($178K). Holdings down 14% to 10,486 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 15, 2026 |
| Mar 17, 2026 | Sale | Mary E. Buttarazzi (VP, Corp Controller and CAO) sold 500 shares at $116.22 ($58K). Holdings down 10% to 4,749 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 17, 2026 |
| Feb 24, 2026 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 2,700 shares at about $137.83 ($372K), marked as a 10b5-1 plan trade. Holdings down 4% to 58,495 shares. | SEC filing Filed Feb 24, 2026 |
| Feb 20–24, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 64,167 shares between Feb 20 and Feb 24 at about $132.89 ($8.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,529,002 shares. | SEC filing Filed Feb 24, 2026 |
| Feb 17, 2026 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 66,500 shares at about $130.84 ($8.7M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,726,599 shares. | SEC filing Filed Feb 18, 2026 |
| Feb 2, 2026 | Planned (10b5-1) | Eric Meurice (Director) sold 750 shares at $95.00 ($71K), marked as a 10b5-1 plan trade. Holdings down 3% to 22,803 shares. | SEC filing Filed Feb 3, 2026 |
| Jan 21, 2026 | Planned (10b5-1) | Angelo P Lopresti (SVP, Secretary & Gen Counsel and 10% owner) sold 1,500 shares at $85.00 ($128K), marked as a 10b5-1 plan trade. Holdings down 3% to 58,385 shares. | SEC filing Filed Jan 23, 2026 |
| Jan 21, 2026 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 2,700 shares at about $80.96 ($219K), marked as a 10b5-1 plan trade. Holdings down 4% to 59,330 shares. | SEC filing Filed Jan 21, 2026 |
| Jan 16–21, 2026 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 64,167 shares between Jan 16 and Jan 21 at about $80.22 ($5.1M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,593,169 shares. | SEC filing Filed Jan 21, 2026 |
| Jan 15, 2026 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 7,952 shares at about $80.10 ($637K), marked as a 10b5-1 plan trade. Holdings down <1% to 6,793,099 shares. | SEC filing Filed Jan 16, 2026 |
| Jan 12–14, 2026 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 58,548 shares between Jan 12 and Jan 14 at about $76.93 ($4.5M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,801,051 shares. | SEC filing Filed Jan 14, 2026 |
| Dec 23, 2025 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 2,700 shares at about $74.44 ($201K), marked as a 10b5-1 plan trade. Holdings down 4% to 62,030 shares. | SEC filing Filed Dec 29, 2025 |
| Dec 22–24, 2025 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 64,167 shares between Dec 22, 2025 and Dec 24, 2025 at about $74.94 ($4.8M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,657,336 shares. | SEC filing Filed Dec 29, 2025 |
| Dec 15–16, 2025 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 66,500 shares between Dec 15, 2025 and Dec 16, 2025 at about $77.40 ($5.1M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,859,599 shares. | SEC filing Filed Dec 16, 2025 |
| Dec 9, 2025 | Planned (10b5-1) | Angelo P Lopresti (SVP, Secretary & Gen Counsel and 10% owner) sold 1,500 shares at about $85.07 ($128K), marked as a 10b5-1 plan trade. Holdings down 2% to 59,885 shares. | SEC filing Filed Dec 10, 2025 |
| Nov 25, 2025 | Planned (10b5-1) | Tang Agnes (Director) sold 1,881 shares at about $76.75 ($144K), marked as a 10b5-1 plan trade. Holdings down 18% to 8,663 shares. | SEC filing Filed Nov 25, 2025 |
| Nov 24, 2025 | Planned (10b5-1) | Eugene A. Scherbakov (Director and 10% owner) sold 2,700 shares at about $76.03 ($205K), marked as a 10b5-1 plan trade. Holdings down 4% to 64,730 shares. | SEC filing Filed Nov 25, 2025 |
| Nov 21–24, 2025 | Planned (10b5-1) | IP FIBRE DEVICES LTD (10% owner) sold 64,167 shares between Nov 21, 2025 and Nov 24, 2025 at about $75.41 ($4.8M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,721,503 shares. | SEC filing Filed Nov 25, 2025 |
| Nov 18, 2025 | Planned (10b5-1) | Trevor Ness (SVP, Chief Revenue Officer) sold 1,681 shares at about $75.58 ($127K), marked as a 10b5-1 plan trade. Holdings down 4% to 37,206 shares. | SEC filing Filed Nov 19, 2025 |
| Nov 17–18, 2025 | Planned (10b5-1) | Valentin Gapontsev Trust I (10% owner) sold 66,500 shares between Nov 17, 2025 and Nov 18, 2025 at about $76.56 ($5.1M), marked as a 10b5-1 plan trade. Holdings down 1% to 6,926,099 shares. | SEC filing Filed Nov 19, 2025 |
| Nov 6, 2025 | Planned (10b5-1) | Eric Meurice (Director) sold 750 shares at $92.00 ($69K), marked as a 10b5-1 plan trade. Holdings down 3% to 22,803 shares. | SEC filing Filed Nov 7, 2025 |
29 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 8:12 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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