Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not 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>>
Time period
Insider Trading Transactions for Nierenberg David
Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2020-11-30
Purchase
2020-12-02
6:25 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
49,231$2.05$100,924152,569
(Indirect)
View
2020-11-23
Purchase
2020-11-25
4:09 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
149,560$1.99$297,624150,691
(Indirect)
View
2020-09-11
Purchase
2020-09-15
7:11 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
115,318$2.4847$286,534290,768
(Indirect
Direct)
View
2020-09-08
Purchase
2020-09-10
4:38 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
69,343$2.4337$168,761287,312
(Indirect
Direct)
View
2020-09-01
Purchase
2020-09-03
7:34 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
163,420$2.3976$391,810285,234
(Indirect
Direct)
View
2020-08-20
Purchase
2020-08-24
6:21 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
690,147$1.9969$1,378,133280,337
(Indirect
Direct)
View
2020-03-16
Purchase
2020-03-17
5:16 pm
Houston Wire & Cable COHWCCNierenberg David
Nierenberg Investment Management Company Inc.
Director
10% Owner
399,800$2$799,60064,216
(Indirect)
View
2020-03-13
Purchase
2020-03-17
10:47 am
RIVERVIEW BANCORP INCRVSBNierenberg David
Director
30,000$4.9807$149,420130,869
(Direct)
View
2020-03-11
Purchase
2020-03-13
4:57 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
1,000,000$0.97354$973,5362,288,663
(Indirect
Direct)
View
2019-09-13
Purchase
2019-09-16
5:38 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
113,500$2.5059$284,418137,994
(Indirect
Direct)
View
2019-09-10
Purchase
2019-09-12
6:21 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
268,200$2.395$642,330134,423
(Indirect
Direct)
View
2019-09-04
Purchase
2019-09-04
6:12 pm
RIVERVIEW BANCORP INCRVSPNierenberg David
Director
20,000$6.85$137,000100,879
(Direct)
View
2019-06-07
Purchase
2019-06-11
6:47 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
111,250$3.5996$400,457125,266
(Indirect
Direct)
View
2019-06-04
Purchase
2019-06-06
5:11 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
187,500$3.4433$645,610161,602
(Indirect
Direct)
View
2019-05-30
Purchase
2019-06-03
5:06 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
101,250$3.1232$316,229156,816
(Indirect
Direct)
View
2019-05-15
Sale
2019-05-17
4:08 pm
ROSETTA STONE INCRSTNierenberg David
Director
107,141$25.6$2,742,35813,954
(Indirect)
View
2019-05-10
Sale
2019-05-14
4:22 pm
ROSETTA STONE INCRSTNierenberg David
Director
92,859$26.12$2,425,38516,859
(Indirect)
View
2019-03-13
Sale
2019-03-15
5:06 pm
ROSETTA STONE INCRSTNierenberg David
HAREDALE LTD
D3 Family Fund LP
D3 Family Bulldog Fund LP
Director
88,190$23.06$2,033,273251,480
(Indirect)
View
2018-10-30
Purchase
2018-11-01
1:18 pm
RIVERVIEW BANCORP INCRVSPNierenberg David
Director
8,795$8.262$72,66580,879
(Direct)
View
2018-05-29
Sale
2018-05-30
6:24 pm
ROSETTA STONE INCRSTNierenberg David
Director
150,000$16.55$2,482,50039,523
(Indirect)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2023-01-20
Option Award
2023-01-24
4:46 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
13,179$07,968,241
(Direct)
View
2022-08-04
Option Award
2022-08-08
6:26 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
165,289$07,955,062
(Direct)
View
2022-03-21
Conversion
2022-03-23
4:30 pm
2022-02-02
2023-02-02
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
5,832,197$0242,656
(Indirect)
View
2021-06-15
Disposition
2021-06-21
3:30 pm
N/A
N/A
Houston Wire & Cable COHWCCNierenberg David
Nierenberg Investment Management Company Inc.
Director
10% Owner
2,043,358$00
(Indirect)
View
2021-06-03
Option Award
2021-06-07
6:54 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
103,774$04,944,743
(Direct)
View
2020-10-15
Disposition
2020-10-16
5:10 pm
N/A
N/A
ROSETTA STONE INCRSTNierenberg David
Director
118,152$00
(Direct)
View
2020-10-15
Disposition
2020-10-16
5:10 pm
N/A
N/A
ROSETTA STONE INCRSTNierenberg David
Director
514,493$300
(Indirect)
View
2020-06-11
Option Award
2020-06-15
4:18 pm
N/A
N/A
ROSETTA STONE INCRSTNierenberg David
Director
13,706$052,565
(Direct)
View
2020-05-05
Option Award
2020-05-07
9:30 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
89,888$03,603,950
(Direct)
View
2020-03-16
Ownership
2020-03-17
4:54 pm
N/A
N/A
Houston Wire & Cable COHWCCNierenberg David
Nierenberg Investment Management Company Inc.
Director
10% Owner
0$01,643,558
(Indirect)
View
2018-06-01(A)
Option Award
2019-06-11
6:48 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
40,323$040,323
(Direct)
View
2019-05-24(A)
Option Award
2019-06-11
6:48 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
66,449$0106,772
(Direct)
View
2019-05-24
Option Award
2019-05-29
4:50 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
66,449$01,732,362
(Direct)
View
2019-05-20
Option Award
2019-05-22
4:21 pm
N/A
N/A
ROSETTA STONE INCRSTNierenberg David
Director
9,364$043,935
(Direct)
View
2018-06-18
Option Award
2018-06-20
4:38 pm
N/A
2028-06-18
ROSETTA STONE INCRSTNierenberg David
Director
19,302$050,771
(Direct)
View
2018-06-01
Option Award
2018-06-05
4:08 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
40,323$01,665,913
(Direct)
View
2018-06-01
Ownership
2018-06-05
4:07 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
0$01,625,590
(Indirect)
View
(A) Indicate amendment filing.