Investor Oak Management Corp
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Oak Management Corp . 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.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-08-12 13G CRCL / Circle Internet Group, Inc. 11,880,678
2023-02-15 13D/A NN / NextNav Inc. 5,790,823 65,235
2021-11-08 13D / NEXTNAV INC 5,790,823
2021-08-23 13D MIMO / Airspan Networks Holdings Inc. 32,949,384
2020-01-23 13G/A 85172J101 / Springleaf Holdings, Inc. 4,247,930
2020-01-23 13G/A LASR / nLIGHT, Inc. 4,437,667 0
2020-01-23 13G/A NPTN / NeoPhotonics Corporation 5,629,696 60,442
2020-01-23 13G/A CSLT / Castlight Health Inc - Class B 6,027,622 2,964,186
2019-08-06 13D/A KTOS / Kratos Defense & Security Solutions, Inc. 12,498,712 1,396,239
2019-01-28 13G/A CSLT / Castlight Health Inc - Class B 11,986,494 6,027,622
2019-01-28 13G LASR / nLIGHT, Inc. 4,437,667
2019-01-28 13G/A NPTN / NeoPhotonics Corporation 5,618,037 5,629,696
2018-02-12 13G/A NPTN / NeoPhotonics Corporation 5,611,770 5,618,037
2017-05-16 13D/A PRTS / CarParts.com, Inc. 10,798,985 5,017
2017-03-20 13G/A LLNW / Limelight Networks Inc 6,447,597 0
2017-02-14 13G/A NPTN / NeoPhotonics Corporation 5,608,394 5,611,770
2017-02-14 13G/A CSLT / Castlight Health Inc - Class B 11,955,244 11,986,494
2016-03-11 13D/A BNFT / Benefitfocus Inc 2,441,009 1,606,878
2016-03-11 13D/A PRTS / CarParts.com, Inc. 10,798,985
2016-03-11 13D/A KTOS / Kratos Defense & Security Solutions, Inc. 12,498,712
2016-02-12 13G/A PBPB / Potbelly Corporation 4,785
2016-02-12 13G/A NPTN / NeoPhotonics Corporation 5,608,394
2016-02-12 13G/A LLNW / Limelight Networks Inc 6,447,597
2016-02-12 13G/A CSLT / Castlight Health Inc - Class B 11,955,244
2015-03-06 13D BNFT / Benefitfocus Inc 2,441,009
2015-02-24 13G/A LLNW / Limelight Networks Inc 6,373,157
2015-02-24 13G/A PBPB / Potbelly Corporation 2,520,046
2015-02-24 13G/A NPTN / NeoPhotonics Corporation 5,328,396
2015-02-12 13G NAME / Rightside Group, Ltd. 4,487,062
2015-02-12 13G CSLT / Castlight Health Inc - Class B 11,942,744
2014-02-11 13G PBPB / Potbelly Corporation 2,517,488
2014-02-11 13G/A NPTN / NeoPhotonics Corporation 5,321,115
2014-02-11 13G/A TNGNQ / Tengion, Inc. 0
2014-02-11 13G/A LLNW / Limelight Networks Inc 6,292,402
2014-02-11 13G/A NTSP / Netspend Holdings, Inc. 0
2014-02-11 13G BNFT / Benefitfocus Inc 2,441,009
2013-04-05 13D/A PRTS / CarParts.com, Inc. 10,712,795
2013-02-22 13G/A LLNW / Limelight Networks Inc 6,240,015
2013-02-14 13G/A NPTN / NeoPhotonics Corporation 5,311,428
2013-02-14 13G/A TNGNQ / Tengion, Inc. 204,378
2013-02-14 13G LLNW / Limelight Networks Inc 3,877,299
2013-02-14 13G/A 312,312
2013-02-14 13D/A PRTS / CarParts.com, Inc. 9,333,485
2013-02-14 13G/A PRTS / CarParts.com, Inc. 9,333,485
2013-02-14 13G/A LLNW / Limelight Networks Inc 6,216,928
2013-02-14 13G/A NTSP / Netspend Holdings, Inc. 11,271,299
2012-02-13 13G NPTN / NeoPhotonics Corporation 5,302,593
2012-02-13 13G DMD / Demand Media Inc. 22,435,316
2012-02-13 13G/A LLNW / Limelight Networks Inc 6,193,841