IPG Photonics Corporation (IPGP) Insider Trading
Over the last 3 months, IPGP insiders made 0 open-market buys and 4 sales, a net sale of -$1.4M (SEC Form 4). Over the last 6 months, 224 institutions increased and 188 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$1.4M
Insider trades by month Buys Sells
Nov
Dec
Jan
Feb
Mar
May
Context3-month price -5.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 26, 2026 | Mammen Timothy PVofficer: SVP, Chief Financial Officer | Sell | 2,712 | $120.37 |
| May 26, 2026 | Mammen Timothy PVofficer: SVP, Chief Financial Officer | Sell | 7,263 | $119.60 |
| May 15, 2026 | Desmond Jeanmarie F.director | Sell | 1,690 | $105.58 |
| May 13, 2026 | Beecher Gregory Rdirector | Grant | 2,436 | — |
| May 13, 2026 | Dougherty Gregdirector | Grant | 2,436 | — |
| May 13, 2026 | Samartsev Igorofficer: SVP, Chief Scientist | Grant | 2,436 | — |
| May 13, 2026 | Agnes Tangdirector | Grant | 2,436 | — |
| May 13, 2026 | PEELER JOHN Rdirector | Grant | 2,436 | — |
| May 13, 2026 | Desmond Jeanmarie F.director | Grant | 2,436 | — |
| May 13, 2026 | Meurice Ericdirector | Grant | 2,436 | — |
| May 13, 2026 | KENNEDY KOLLEEN Tdirector | Grant | 2,436 | — |
| Mar 17, 2026 | Buttarazzi Mary E.officer: VP, Corp Controller and CAO | Sell | 500 | $116.22 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 16,421 | $134.35 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 5,484 | $132.94 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 500 | $128.79 |
| Feb 24, 2026 | SCHERBAKOV EUGENE Adirector, 10 percent owner: | Sell | 600 | $139.95 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 4,604 | $132.31 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 16,422 | $132.21 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 4,461 | $131.11 |
| Feb 24, 2026 | SCHERBAKOV EUGENE Adirector, 10 percent owner: | Sell | 200 | $135.72 |
| Feb 24, 2026 | SCHERBAKOV EUGENE Adirector, 10 percent owner: | Sell | 1,500 | $137.13 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 120 | $134.95 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 2,300 | $129.93 |
| Feb 24, 2026 | SCHERBAKOV EUGENE Adirector, 10 percent owner: | Sell | 400 | $138.33 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 4,241 | $131.41 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 100 | $135.28 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 1,520 | $137.00 |
| Feb 24, 2026 | IP FIBRE DEVICES LTD10 percent owner | Sell | 7,994 | $133.61 |
| Feb 20, 2026 | Buttarazzi Mary E.officer: VP, Corp Controller and CAO | Grant | 1,789 | — |
| Feb 20, 2026 | Ness Trevorofficer: SVP, Chief Revenue Officer | Grant | 4,621 | — |
Source: IPGP SEC Form 4 filings, latest May 26, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their IPGP positions over the last 6 months (SEC Form 13F).
Increased
224
New positions
120
Reduced
188
Sold out
66
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| FIRST EAGLE INVESTMENT MANAGEMENT, LLC | Increased | 4.6M | May 14, 2026 |
| FIRST EAGLE INVESTMENT MANAGEMENT, LLC | Increased | 4.5M | Feb 4, 2026 |
| VANGUARD GROUP INC | Reduced | 2.8M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 2.7M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 2.5M | Feb 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Increased | 1.8M | Feb 12, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 1.8M | Feb 17, 2026 |
| SUMITOMO MITSUI TRUST HOLDINGS, INC. | Reduced | 1.7M | Jan 23, 2026 |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 1.7M | May 7, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1.6M | May 8, 2026 |
| LAZARD ASSET MANAGEMENT LLC | Reduced | 1.4M | May 15, 2026 |
| ALLIANCEBERNSTEIN L.P. | Reduced | 1.4M | Feb 17, 2026 |
| SUMITOMO MITSUI TRUST HOLDINGS, INC. | Reduced | 1.4M | Apr 30, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1.1M | May 15, 2026 |
| NEUBERGER BERMAN GROUP LLC | Increased | 844K | May 14, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.