Nierenberg David

Average Profitability
49.47%
Insider Buys Quantity
68
Insider Buys Sum
$12.27M
Insider Sells Quantity
7
Insider Sells Sum
$13.8M

Insider Activity of Nierenberg David

According to the SEC Form 4 filings, Nierenberg David, being in a position of

  1. 10 percent owner at Potbelly Corporation,
    оver the last 12 months, has bought 4740 shares for $44,367, and sold 0 shares,
    over all time since 2024-12-18, has bought 4740 shares for $44,367, and sold 0 shares.

The largest purchase of all time was on 2003-08-05 and amounted to 527000 shares of Amedisys, Inc. for $3.44M.

The largest sale of all time was on 2004-06-03 and amounted to 240000 shares of Amedisys, Inc. for $6.71M.

Biography of Nierenberg David

No biography is available at this moment.

2024-12-18PurchasePotbelly Corporation
PBPB
10 percent owner
4,740
0.0165%
$9.36$44,3670%
2023-12-14PurchaseFlotek Industries, Inc.
FTK
director
19,481
0.066%
$3.72$72,469+2.81%
2023-12-13PurchaseFlotek Industries, Inc.
FTK
director
33,118
0.1099%
$3.53$116,907+6.97%
2023-12-12PurchaseFlotek Industries, Inc.
FTK
director
12,735
0.0426%
$3.42$43,554+10.43%
2023-12-11PurchaseFlotek Industries, Inc.
FTK
director
9,006
0.0303%
$3.19$28,729+18.75%
2023-06-07SaleFlotek Industries, Inc.
FTK
director
750,000
0.7359%
$0.63$468,750+0.26%
2020-11-30PurchaseFlotek Industries, Inc.
FTK
director
49,231
0.0728%
$2.05$100,924-13.79%
2020-11-23PurchaseFlotek Industries, Inc.
FTK
director
149,560
0.2085%
$1.99$297,624-15.79%
2020-09-15PurchaseFlotek Industries, Inc.
FTK
director
23,918
0.0349%
$2.53$60,513-21.85%
2020-09-14PurchaseFlotek Industries, Inc.
FTK
director
42,937
0.0622%
$2.51$107,772-21.65%
2020-09-11PurchaseFlotek Industries, Inc.
FTK
director
48,463
0.0696%
$2.44$118,250-20.08%
2020-09-10PurchaseFlotek Industries, Inc.
FTK
director
12,200
0.0177%
$2.48$30,256-20.52%
2020-09-09PurchaseFlotek Industries, Inc.
FTK
director
45,400
0.0655%
$2.43$110,322-19.03%
2020-09-08PurchaseFlotek Industries, Inc.
FTK
director
11,743
0.0171%
$2.40$28,183-17.36%
2020-09-03PurchaseFlotek Industries, Inc.
FTK
director
15,770
0.023%
$2.39$37,690-16.67%
2020-09-02PurchaseFlotek Industries, Inc.
FTK
director
145,250
0.2004%
$2.40$348,600-21.18%
2020-09-01PurchaseFlotek Industries, Inc.
FTK
director
2,400
0.0034%
$2.30$5,520-14.04%
2020-08-24PurchaseFlotek Industries, Inc.
FTK
director
317,792
0.4572%
$2.11$670,541-4.19%
2020-08-21PurchaseFlotek Industries, Inc.
FTK
director
187,355
0.26%
$1.95$365,342+0.49%
2020-08-20PurchaseFlotek Industries, Inc.
FTK
director
185,000
0.2509%
$1.85$342,250+3.25%
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