InsidersTradesSigma
Total declarations
Companies
▲ Purchases (5 ops.)
▼ Sales (1 ops.)
Insider track record
OtherDisclosed buys
5
Disclosed sells
1
T+90 hit rate
0%
T+90 mean return
-23.4%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Nierenberg David. Insider active across 4 companies, notably Flotek Industries INC. Aggregated, 14 disclosures have been recorded. Split: 5 buys · 1 sell. Total volume traded: €626k. History available since 3 June 2021. The latest transaction was disclosed on 28 March 2025 (Acquisition). Regulator: SEC (Form 4). All data is free.
Declarations14 total
22,169 shares@ US$9.3670.4% of flowCommon StockSEC:0001013594-25-000434:0
Ideal exit: 23 Dec 2025 (T+270)
7,500 shares@ US$9.2324.4% of flowCommon StockSEC:0001013594-25-000034:0
Ideal exit: 4 Oct 2025 (T+270)
1,590 shares@ US$9.405.2% of flowCommon StockSEC:0001013594-24-001027:0
Ideal exit: 14 Sept 2025 (T+270)
6,785 shares@ US$3.726.6% of flowCommon SharesSEC:0000928054-23-000225:0
Ideal exit: 9 Sept 2024 (T+270)
5,254 shares@ US$3.194.4% of flowCommon SharesSEC:0000928054-23-000223:0
Ideal exit: 6 Sept 2024 (T+270)
241,096 shares0Common SharesSEC:0000928054-23-000128:0
538,920 shares@ US$0.62589.0% of flowCommon SharesSEC:0000928054-23-000101:0
13,179 shares0Common SharesSEC:0000928054-23-000013:0
165,289 shares0Common SharesSEC:0000928054-22-000169:0
1,036,214 shares0Common SharesSEC:0000928054-22-000054:0
664,888 sharesCOMMON STOCKSEC:0001356949-21-000013
664,888 sharesCOMMON STOCKSEC:0001356949-21-000013:0
103,774 shares0Common StockSEC:0000928054-21-000111:0
103,774 shares0Common StockSEC:0000928054-21-000111
14 of 14 declarations
About Nierenberg David
David Nierenberg is a director at Flotek Industries INC and also involved with Houston Wire & Cable CO.
