| SC 13D/A | 2023-12-19 | Nierenberg Investment Management Company, Inc. | FLOTEK INDUSTRIES INC/CN/ | 434,580 | 1.5% | EDGAR |
| SC 13D/A | 2023-07-14 | ProFrac Holding Corp. | FLOTEK INDUSTRIES INC/CN/ | 103,468,322 | 54.5% | EDGAR |
| SC 13D/A | 2023-06-09 | Nierenberg Investment Management Company, Inc. | FLOTEK INDUSTRIES INC/CN/ | 2,436,303 | 2.8% | EDGAR |
| SC 13D/A | 2023-03-02 | ProFrac Holding Corp. | FLOTEK INDUSTRIES INC/CN/ | 88,904,715 | 53.9% | EDGAR |
| SC 13D/A | 2022-12-28 | North Sound Trading, LP | FLOTEK INDUSTRIES INC/CN/ | 5,573,036 | 6.9% | EDGAR |
| SC 13D/A | 2022-08-29 | ProFrac Holdings, LLC | FLOTEK INDUSTRIES INC/CN/ | 78,778,293 | 50.7% | EDGAR |
| SC 13D/A | 2022-06-02 | ProFrac Holdings, LLC | FLOTEK INDUSTRIES INC/CN/ | 64,626,974 | 45.8% | EDGAR |
| SC 13D/A | 2022-03-23 | Nierenberg Investment Management Company, Inc. | FLOTEK INDUSTRIES INC/CN/ | 2,595,383 | 3.1% | EDGAR |
| SC 13D/A | 2022-03-07 | ProFrac Holdings, LLC | FLOTEK INDUSTRIES INC/CN/ | 18,380,242 | 18.7% | EDGAR |
| SC 13D | 2022-02-14 | ProFrac Holdings, LLC | FLOTEK INDUSTRIES INC/CN/ | 18,380,242 | 18.7% | EDGAR |
| SC 13D/A | 2022-02-07 | North Sound Trading, LP | FLOTEK INDUSTRIES INC/CN/ | 8,155,103 | 9.9% | EDGAR |
| SC 13D/A | 2022-02-04 | Nierenberg Investment Management Company, Inc. | FLOTEK INDUSTRIES INC/CN/ | 2,582,029 | 3.1% | EDGAR |
| SC 13G/A | 2021-02-16 | Newtyn Management, LLC | FLOTEK INDUSTRIES INC/CN/ | 2,789,059 | 3.8% | EDGAR |
| SC 13G/A | 2021-02-12 | DIMENSIONAL FUND ADVISORS LP | FLOTEK INDUSTRIES INC/CN/ | 3,155,411 | 4.3% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | FLOTEK INDUSTRIES INC/CN/ | 2,863,982 | 3.9% | EDGAR |
| SC 13D/A | 2020-12-03 | North Sound Trading, LP | FLOTEK INDUSTRIES INC/CN/ | 7,000,000 | 9.6% | EDGAR |
| SC 13D/A | 2020-09-24 | North Sound Trading, LP | FLOTEK INDUSTRIES INC/CN/ | 6,600,000 | 9.3% | EDGAR |
| SC 13D/A | 2020-09-03 | Nierenberg Investment Management Company, Inc. | FLOTEK INDUSTRIES INC/CN/ | 1,384,653 | 1.9% | EDGAR |
| SC 13G/A | 2020-07-10 | BlackRock Inc. | FLOTEK INDUSTRIES INC/CN/ | 1,010,269 | 1.4% | EDGAR |
| SC 13G | 2020-04-02 | Newtyn Management, LLC | FLOTEK INDUSTRIES INC/CN/ | 5,143,470 | 8.7% | EDGAR |