Investor Trigran Investments, Inc.
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Trigran Investments, Inc. . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-08-13 13G/A RDVT / Red Violet, Inc. 1,208,845 625,970
2025-05-12 13G/A RDVT / Red Violet, Inc. 1,595,399 1,208,845
2025-02-13 13G/A OOMA / Ooma, Inc. 4,036,263 3,487,277
2025-02-13 13G TTGT / TechTarget, Inc. 3,804,824 3,759,509
2025-02-13 13G/A RDVT / Red Violet, Inc. 2,113,025 1,595,399
2024-11-14 13G/A SONO / Sonos, Inc. 7,074,484 4,817,635
2024-11-07 13G/A HLIT / Harmonic Inc. 8,562,409 5,675,945
2024-11-07 13G/A BCOV / Brightcove Inc. 4,498,306 1,799,973
2024-11-07 13G MDXG / MiMedx Group, Inc. 7,690,369
2024-10-23 13G/A HCKT / The Hackett Group, Inc. 1,837,635 1,078,837
2024-10-23 13G TTGT / TechTarget, Inc. 2,932,935 3,804,824
2024-10-23 13G/A SRDX / Surmodics, Inc. 934,692 543,342
2024-07-09 13G/A SRDX / Surmodics, Inc. 2,358,300 934,692
2024-06-07 13G/A TTGT / TechTarget, Inc. 2,726,635 2,932,935
2024-02-09 13G TTGT / TechTarget, Inc. 0 2,726,635
2024-02-09 13G THRM / Gentherm Incorporated 1,887,857
2024-02-09 13G/A SRDX / Surmodics, Inc. 2,328,925 2,358,300
2024-02-09 13G SONO / Sonos, Inc. 7,074,484
2024-02-09 13G/A ERII / Energy Recovery, Inc. 3,469,877 1,333,585
2024-02-09 13G/A RDVT / Red Violet, Inc. 2,013,939 2,113,025
2024-02-09 13G/A OOMA / Ooma, Inc. 3,252,014 4,036,263
2024-02-09 13G/A HLIT / Harmonic Inc. 7,387,478 8,562,409
2024-02-09 13G/A HCKT / The Hackett Group, Inc. 1,752,359 1,837,635
2024-02-09 13G/A ANIK / Anika Therapeutics, Inc. 1,564,541 2,139,054
2024-01-09 13G/A BCOV / Brightcove Inc. 6,878,602 4,498,306
2023-08-14 13G/A QUOT / Quotient Technology Inc 5,203,508 10,000
2023-06-08 13G/A ABT / Abbott Laboratories 5,688,309 2,551,325
2023-02-10 13G/A RDVT / Red Violet, Inc. 1,412,071 2,013,939
2023-02-10 13G/A HCKT / The Hackett Group, Inc. 2,669,192 1,752,359
2023-02-10 13G/A QUOT / Quotient Technology Inc 7,347,371 5,203,508
2023-02-10 13G/A SRDX / Surmodics, Inc. 2,179,453 2,328,925
2023-02-10 13G/A ANIK / Anika Therapeutics, Inc. 1,493,245 1,564,541
2023-02-10 13G/A OOMA / Ooma, Inc. 2,454,698 3,252,014
2023-02-10 13G ERII / Energy Recovery, Inc. 2,753,514 3,469,877
2023-02-10 13G/A CECO / CECO Environmental Corp. 3,045,064 572,779
2023-02-10 13G HLIT / Harmonic Inc. 7,387,478
2023-02-10 13G/A BCOV / Brightcove Inc. 5,383,778 6,878,602
2023-02-10 13G/A ABT / Abbott Laboratories 5,207,809 5,688,309
2023-01-26 13G/A CAMP / Camp4 Therapeutics Corporation 3,509,685 0
2023-01-26 13G/A CECO / CECO Environmental Corp. 4,452,609 3,045,064
2022-10-07 13G ANIK / Anika Therapeutics, Inc. 1,493,245 1,493,245
2022-10-07 13G/A ABT / Abbott Laboratories 4,686,043 5,207,809
2022-09-07 13G/A SWIR / Sierra Wireless Inc 5,029,287 645,843
2022-06-08 13G/A RDVT / Red Violet, Inc. 1,211,500 1,412,071
2022-06-07 13G/A OOMA / Ooma, Inc. 1,796,700 2,454,698
2022-05-17 13G/A SRDX / Surmodics, Inc. 2,007,211 2,179,453
2022-02-10 13G/A ABT / Abbott Laboratories 5,556,200 4,686,043
2022-02-10 13G/A SWIR / Sierra Wireless Inc 5,234,230 5,029,287
2022-02-10 13G/A CECE / Ceco Environmental Corp. 5,516,272 4,452,609
2022-02-10 13G/A SRDX / Surmodics, Inc. 1,782,386 2,007,211
2022-02-10 13G/A QUOT / Quotient Technology Inc 8,755,566 7,347,371
2022-02-10 13G/A HCKT / The Hackett Group, Inc. 2,456,213 2,669,192
2022-02-10 13G/A ERII / Energy Recovery, Inc. 5,540,420 2,753,514
2022-02-10 13G/A CAMP / Camp4 Therapeutics Corporation 1,978,840 3,509,685
2022-02-10 13G RDVT / Red Violet, Inc. 1,211,500
2022-02-10 13G/A BCOV / Brightcove Inc. 4,100,715 5,383,778
2022-02-10 13G OOMA / Ooma, Inc. 1,796,700
2021-10-06 13G/A PHX / PHX Minerals Inc. 2,359,594 1,516,597
2021-07-08 13G/A BCOV / Brightcove Inc. 3,875,533 4,100,715
2021-04-01 13G/A FARM / Farmer Bros. Co. 1,118,245 0
2021-02-11 13G CAMP / Camp4 Therapeutics Corporation 1,978,840
2021-02-11 13G/A BCOV / Brightcove Inc. 3,927,488 3,875,533
2021-02-11 13G/A SWIR / Sierra Wireless Inc 5,127,014 5,234,230
2021-02-11 13G/A SRDX / Surmodics, Inc. 1,935,533 1,782,386
2021-02-11 13G/A HCKT / The Hackett Group, Inc. 1,789,139 2,456,213
2021-02-11 13G/A PHX / PHX Minerals Inc. 2,395,028 2,359,594
2021-02-11 13G QUOT / Quotient Technology Inc 8,755,566
2021-02-11 13G/A CECE / Ceco Environmental Corp. 5,416,284 5,516,272
2021-02-11 13G/A ERII / Energy Recovery, Inc. 5,658,329 5,540,420
2021-02-11 13G ABT / Abbott Laboratories 5,556,200
2021-01-08 13G/A FARM / Farmer Bros. Co. 2,237,553 1,118,245
2020-10-02 13G/A PCYO / Pure Cycle Corporation 1,419,340 0
2020-09-30 13G/A SWIR / Sierra Wireless Inc 4,165,453 5,127,014
2020-08-04 13G/A ERII / Energy Recovery, Inc. 4,990,344 5,658,329
2020-06-01 13G FARM / Farmer Bros. Co. 2,237,553 2,237,553
2020-04-01 13D FARM / Farmer Bros. Co. 1,943,853 2,237,553
2020-03-25 13G/A SRDX / Surmodics, Inc. 1,501,232 1,935,533
2020-02-12 13G/A CECE / Ceco Environmental Corp. 5,240,550 5,416,284
2020-02-12 13G/A ERII / Energy Recovery, Inc. 2,843,802 4,990,344
2020-02-12 13G/A FARM / Farmer Bros. Co. 1,729,685 1,943,853
2020-02-12 13G/A MODN / Model N, Inc. 1,976,779 662,718
2020-02-12 13G/A PHX / PHX Minerals Inc. 2,175,069 2,395,028
2020-02-12 13G/A PCYO / Pure Cycle Corporation 1,806,463 1,419,340
2020-02-12 13G/A SWIR / Sierra Wireless Inc 4,237,213 4,165,453
2020-02-12 13G/A SRDX / Surmodics, Inc. 1,479,751 1,501,232
2020-02-12 13G/A HCKT / The Hackett Group, Inc. 1,607,853 1,789,139
2020-01-10 13G/A BCOV / Brightcove Inc. 3,425,086 3,927,488
2019-12-10 13G/A SRDX / Surmodics, Inc. 795,202 1,479,751
2019-12-10 13G SWIR / Sierra Wireless Inc 4,237,213
2019-11-18 13G/A TPIC / TPI Composites, Inc. 1,892,818 0
2019-11-18 13G/A TYPE / Monotype Imaging Holdings, Inc. 3,664,425 0
2019-08-27 13G/A CECE / Ceco Environmental Corp. 4,637,498 5,240,550
2019-02-14 13G TPIC / TPI Composites, Inc. 1,892,818
2019-02-14 13G/A SRDX / Surmodics, Inc. 1,367,399 795,202
2019-02-14 13G/A PHX / PHX Minerals Inc. 2,063,030 2,175,069
2019-02-14 13G/A PCYO / Pure Cycle Corporation 2,046,604 1,806,463
2019-02-14 13G TYPE / Monotype Imaging Holdings, Inc. 3,664,425
2019-02-14 13G MODN / Model N, Inc. 1,976,779
2019-02-14 13G HCKT / The Hackett Group, Inc. 1,607,853
2019-02-14 13G ERII / Energy Recovery, Inc. 2,843,802
2019-02-14 13G/A CECE / Ceco Environmental Corp. 3,839,974 4,637,498
2019-02-14 13G BCOV / Brightcove Inc. 3,425,086
2019-01-09 13G/A FARM / Farmer Bros. Co. 1,027,681 1,729,685
2018-06-13 13G/A TTGT / TechTarget, Inc. 2,386,983 0
2018-03-07 13G/A SRDX / Surmodics, Inc. 1,308,920 1,367,399
2018-02-14 13G/A CECE / Ceco Environmental Corp. 3,642,025 3,839,974
2018-02-14 13G/A FARM / Farmer Bros. Co. 909,513 1,027,681
2018-02-14 13G/A KMG / KMG Chemicals, Inc. 844,127 559,352
2018-02-14 13G/A PHX / PHX Minerals Inc. 1,719,416 2,063,030
2018-02-14 13G/A PCYO / Pure Cycle Corporation 2,180,074 2,046,604
2018-02-14 13G/A SRDX / Surmodics, Inc. 702,287 1,308,920
2018-02-14 13G/A TTGT / TechTarget, Inc. 2,628,231 2,386,983
2017-12-11 13G CECE / Ceco Environmental Corp. 1,406,538 3,642,025
2017-06-06 13G/A KMG / KMG Chemicals, Inc. 1,462,806 844,127
2017-02-13 13G/A PHX / PHX Minerals Inc. 1,665,228 1,719,416
2017-02-13 13G/A TTGT / TechTarget, Inc. 1,660,765 2,628,231
2017-02-13 13G SRDX / Surmodics, Inc. 702,287
2017-02-13 13G/A FARM / Farmer Bros. Co. 1,071,079 909,513
2017-02-13 13G/A KMG / KMG Chemicals, Inc. 1,632,955 1,462,806
2017-02-13 13G/A PCYO / Pure Cycle Corporation 2,582,741 2,180,074
2017-02-13 13G/A CECE / Ceco Environmental Corp. 1,736,699 1,406,538
2016-12-07 13G/A DTSI / DTS, Inc. 1,821,090 0
2016-12-07 13G/A NVEC / NVE Corporation 495,000 231,006
2016-11-08 13G/A PHX / PHX Minerals Inc. 1,447,392 1,665,228
2016-09-08 13G/A OEG / Orbital Energy Group Inc 1,308,721 0
2016-07-18 13G/A RLOC / ReachLocal, Inc. 4,001,708 0
2016-04-19 13G/A DTSI / DTS, Inc. 1,555,442 1,821,090
2016-02-11 13G/A PCYO / Pure Cycle Corporation 2,557,983 2,582,741
2016-02-11 13G PHX / PHX Minerals Inc. 1,447,392
2016-02-11 13G CECE / Ceco Environmental Corp. 1,736,699
2016-02-11 13G FARM / Farmer Bros. Co. 1,071,079
2016-02-11 13G/A NVEC / NVE Corporation 524,056 495,000
2016-02-11 13G/A RLOC / ReachLocal, Inc. 4,001,708 4,001,708
2016-02-11 13G TTGT / TechTarget, Inc. 1,660,765
2016-02-11 13G/A DTSI / DTS, Inc. 1,555,442
2016-02-11 13G OEG / Orbital Energy Group Inc 1,308,721
2016-02-11 13G/A MRCY / Mercury Systems, Inc. 1,304,898
2016-02-11 13G/A KMG / KMG Chemicals, Inc. 1,632,955
2015-11-18 13G/A PCYO / Pure Cycle Corporation 2,557,983
2015-11-18 13G/A RLOC / ReachLocal, Inc. 4,001,708
2015-03-05 13G/A NVEC / NVE Corporation 524,056
2015-02-13 13G RLOC / ReachLocal, Inc. 2,023,037
2015-02-13 13G MRCY / Mercury Systems, Inc. 2,184,877
2015-02-13 13G/A PCYO / Pure Cycle Corporation 2,324,485
2015-02-13 13G/A KMG / KMG Chemicals, Inc. 1,429,484
2015-02-13 13G DTSI / DTS, Inc. 976,063
2015-01-28 13D/A NVEC / NVE Corporation 480,240
2014-11-10 13D/A NVEC / NVE Corporation 430,962
2014-09-10 13G/A KMG / KMG Chemicals, Inc. 1,216,589
2014-07-10 13D/A NVEC / NVE Corporation 459,831
2014-02-14 13G/A KMG / KMG Chemicals, Inc. 690,415
2014-02-14 13G/A US0906721065 / BioTelemetry, Inc. 7,000
2014-02-14 13G/A PCYO / Pure Cycle Corporation 1,615,127
2014-01-02 13D/A 808760102 / Scientific Learning Corp. 5,690,242
2013-05-28 13D NVEC / NVE Corporation 406,643
2013-04-12 13D/A 808760102 / Scientific Learning Corp. 6,690,242
2013-02-14 13G/A US0906721065 / BioTelemetry, Inc. 2,488,913
2013-02-14 13G/A 2,419,318
2013-02-14 13G KMG / KMG Chemicals, Inc. 586,604
2013-02-14 13G/A PCYO / Pure Cycle Corporation 2,269,977
2013-02-14 13G/A NVEC / NVE Corporation 373,141
2012-03-30 13D/A 808760102 / Scientific Learning Corp. 6,288,734
2012-02-14 13G/A LQDT / Liquidity Services, Inc. 464,430
2012-02-14 13G US0906721065 / BioTelemetry, Inc. 1,957,193
2012-02-14 13G 2,840,026
2012-02-14 13G SRSL / Srs Labs Inc 1,024,707
2012-02-14 13G/A PCYO / Pure Cycle Corporation 2,392,914
2012-02-14 13G/A NVEC / NVE Corporation 381,098