Insider Trading & Ownership - Nierenberg David

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
2024-08-05
Purchase
2024-08-07
6:39 pm
POTBELLY CORPPBPBNierenberg Investment Management Company Inc.
Nierenberg David
10% Owner
74,345$6.5317$485,600105,469
(Indirect)
View
2023-12-14
Purchase
2023-12-15
09:31 am
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
19,481$3.72$72,469117,836
(Indirect
Direct)
View
2023-12-11
Purchase
2023-12-13
4:29 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
54,859$3.4486$189,189117,088
(Indirect
Direct)
View
2023-06-07
Sale
2023-06-09
12:58 pm
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
750,000$0.625$468,7502,862,431
(Indirect
Direct)
View
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

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing

Ownership
2024-08-07
6:37 pm
N/A
N/A
POTBELLY CORPPBPBNierenberg Investment Management Company Inc.
Nierenberg David
10% Owner
0$03,000,617
(Indirect)
View
2023-07-01
Option Award
2023-07-05
9:32 pm
N/A
N/A
FLOTEK INDUSTRIES INCFTKNierenberg David
Director
241,096$07,459,337
(Direct)
View
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

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