Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2026-07-02 5:18 pm Purchase | 2026-06-18 | 13G | LANTRONIX INC LTRX | Needham Investment Management L.L.C. | 3,150,000 7.100% | 3,150,000 (New Position) | Filing History |
| 2026-05-14 6:55 pm Purchase | 2026-03-31 | 13G | THREDUP INC TDUP | Needham Investment Management L.L.C. | 9,275,000 8.700% | 3,400,000 (+57.87%) | Filing History |
| 2026-05-14 6:39 pm Purchase | 2026-03-31 | 13G | PDF SOLUTIONS INC PDFS | Needham Investment Management L.L.C. | 2,022,700 5.100% | 57,700 (+2.94%) | Filing History |
| 2026-05-14 6:24 pm Purchase | 2026-03-31 | 13G | PRECISION OPTICS CORP INC MASS POCI | Needham Investment Management L.L.C. | 1,670,550 15.300% | 970,550 (+138.65%) | Filing History |
| 2026-05-14 6:08 pm Purchase | 2026-03-31 | 13G | NORTHERN TECH INTL CORP NTIC | Needham Investment Management L.L.C. | 765,000 8.100% | 125,000 (+19.53%) | Filing History |
| 2026-05-04 7:45 pm Purchase | 2026-04-27 | 13G | ELMET GROUP CO COM ELMT | Needham Investment Management L.L.C. | 2,208,016 7.300% | 2,208,016 (New Position) | Filing History |
| 2026-02-13 6:11 pm Purchase | 2025-12-31 | 13G | ALPHA PRO TECH,LTD APT | Needham Investment Management L.L.C. | 642,500 6.200% | 42,500 (+7.08%) | Filing History |
| 2026-02-13 6:05 pm Sale | 2025-12-31 | 13G | UNISYS CORP UIS | Needham Investment Management L.L.C. | 4,812,200 6.800% | -747,600 (-13.45%) | Filing History |
| 2026-02-13 5:55 pm Sale | 2025-12-31 | 13G | COMTECH TELECOMMUNICATIONS CMTL | Needham Investment Management L.L.C. | 1,174,300 4.000% | -605,700 (-34.03%) | Filing History |
| 2026-02-13 5:52 pm Purchase | 2025-12-31 | 13G | OIL-DRI CORPORATION OF AMERICA ODC | Needham Investment Management L.L.C. | 635,000 6.100% | 115,000 (+22.12%) | Filing History |
| 2026-02-13 5:48 pm Sale | 2025-12-31 | 13G | PDF SOLUTIONS INC PDFS | Needham Investment Management L.L.C. | 1,965,000 4.900% | -53,550 (-2.65%) | Filing History |
| 2026-02-13 5:44 pm Purchase | 2025-12-31 | 13G | ASPEN AEROGELS, INC ASPN | Needham Investment Management L.L.C. | 4,351,700 5.300% | 4,351,700 (New Position) | Filing History |
| 2025-11-13 5:48 pm Purchase | 2025-09-30 | 13G | PDF SOLUTIONS INC PDFS | Needham Investment Management L.L.C. | 2,018,550 5.100% | 2,018,550 (New Position) | Filing History |
| 2025-11-13 5:42 pm Purchase | 2025-09-30 | 13G | NORTHERN TECH INTL CORP NTIC | Needham Investment Management L.L.C. | 640,000 6.800% | 140,000 (+28.00%) | Filing History |
| 2025-11-13 5:36 pm Purchase | 2025-09-30 | 13G | ARTERIS INC AIP | Needham Investment Management L.L.C. | 3,325,000 7.800% | 940,000 (+39.41%) | Filing History |
| 2025-08-13 6:30 pm Sale | 2025-06-30 | 13G | NLIGHT, INC. LASR | Needham Investment Management L.L.C. | 1,837,740 3.700% | -814,375 (-30.71%) | Filing History |
| 2025-08-13 6:21 pm Sale | 2025-06-30 | 13G | THREDUP INC TDUP | Needham Investment Management L.L.C. | 5,875,000 6.100% | -325,000 (-5.24%) | Filing History |
| 2025-08-13 6:10 pm Sale | 2025-06-30 | 13G | KVH INDUSTRIES INC KVHI | Needham Investment Management L.L.C. | 814,100 4.200% | -552,400 (-40.42%) | Filing History |
| 2025-05-14 6:21 pm Purchase | 2025-03-31 | 13G | PRECISION OPTICS CORP INC MASS POCI | Needham Investment Management L.L.C. | 700,000 9.100% | 300,000 (+75.00%) | Filing History |
| 2025-05-14 6:13 pm Purchase | 2025-03-31 | 13G | UNISYS CORP UIS | Needham Investment Management L.L.C. | 5,559,800 8.000% | 929,800 (+20.08%) | Filing History |