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Who

Benjamin L. Rosenzweig

Director

Company insider

Files Form 4 as: Director, Spruce Power Holding; Director, Ascent Industries Co; Director, Pfsweb; Director, Bed Bath & Beyond; Director, Potbelly; Director, StarTek; Director, Hardinge; Director, BK Technologies.

In numbers

Trades disclosed
126
Buys
11
Sells
0
Bought
$174K
Sold
$0
Companies
8
Companies where not an officer
8
First trade
20 May 2011
Last trade
18 Sep 2026
Last filed
21 Sep 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
SPRU Spruce Power HoldingDirector · Electric Utilities & IPPs · last 18 Sep 20260 buys · 0 sells
ACNT Ascent Industries CoDirector · Chemicals · last 10 Jun 20262 buys · 0 sells
PfswebDirector · last 23 Oct 20237 buys · 0 sells
Bed Bath & BeyondDirector · last 14 Jul 20220 buys · 0 sells
PotbellyDirector · last 20 May 20210 buys · 0 sells
StarTekDirector · last 1 Oct 20182 buys · 0 sells
HardingeDirector · last 25 May 20180 buys · 0 sells
BKTI BK TechnologiesDirector · Electronic Components & EMS · last 20 May 20150 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Sep 2026filed 21 Sep 2026SPRU Spruce Power HoldingElectric Utilities & IPPsSEC FORM 4 Code A$225K117,801 at $1.91filing
18 Sep 2026filed 21 Sep 2026SPRU Spruce Power HoldingElectric Utilities & IPPsSEC FORM 4 Code A$225K117,801 at $1.91filing
10 Jun 2026filed 10 Jun 2026ACNT Ascent Industries CoChemicalsSEC FORM 4 Code A$60K4,415 at $13.59filing
10 Jun 2026filed 10 Jun 2026ACNT Ascent Industries CoChemicalsSEC FORM 4 Code A$60K4,415 at $13.59filing
18 Aug 2025filed 19 Aug 2025ACNT Ascent Industries CoChemicalsSEC FORM 4 Code G—93,799 at $0.00filing
25 Jun 2025filed 26 Jun 2025ACNT Ascent Industries CoChemicalsSEC FORM 4 Code A$30K2,382 at $12.60filing
12 Jun 2024filed 13 Jun 2024ACNT Ascent Industries CoChemicalsSEC FORM 4 Code A$75K7,360 at $10.19filing
23 Oct 2023filed 23 Oct 2023Pfsweboption or derivativeSEC FORM 4 Code D—150,092 at $0.00filing
23 Oct 2023filed 23 Oct 2023PfswebSEC FORM 4 Code D$255K33,976 at $7.50filing
2 Oct 2023filed 3 Oct 2023Pfsweboption or derivativeSEC FORM 4 Code A—2,017 at $0.00filing
12 Jul 2023filed 13 Jul 2023Pfsweboption or derivativeSEC FORM 4 Code M—10,000 at $0.00filing
12 Jul 2023filed 13 Jul 2023PfswebSEC FORM 4 Code M$42K10,000 at $4.20filing
3 Jul 2023filed 5 Jul 2023Pfsweboption or derivativeSEC FORM 4 Code A—3,319 at $0.00filing
13 Jun 2023filed 20 Jun 2023ACNT Ascent Industries CoChemicalsSEC FORM 4 Code A$115K11,471 at $10.03filing
16 May 2023filed 18 May 2023PfswebSEC FORM 4 Bought$7,2831,858 at $3.92filing
3 Apr 2023filed 4 Apr 2023Pfsweboption or derivativeSEC FORM 4 Code A—3,538 at $0.00filing
21 Mar 2023filed 22 Mar 2023PfswebSEC FORM 4 Bought$9,4502,250 at $4.20filing
3 Jan 2023filed 5 Jan 2023Pfsweboption or derivativeSEC FORM 4 Code A—2,440 at $0.00filing
11 Nov 2022filed 14 Nov 2022ACNT Ascent Industries CoChemicalsSEC FORM 4 Bought$27K2,500 at $10.83filing
3 Oct 2022filed 4 Oct 2022Pfsweboption or derivativeSEC FORM 4 Code A—3,219 at $0.00filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Materials2
Not placed9

Buys in green, sells in red, by the company’s sector.

Related people

STEEL PARTNERS HOLDINGS L.P.10% owner · 10% owner at Spruce Power Holding, filing Form 4 there in the last year
John Bryan KitchenChief Executive Officer · Chief Executive Officer at Ascent Industries Co, filing Form 4 there in the last year
Bobby OwensGeneral Counsel · General Counsel at Spruce Power Holding, filing Form 4 there in the last year
Jack L. HowardDirector and Other role · Director and Other at Spruce Power Holding, filing Form 4 there in the last year
Jacqueline T. WilliamsDirector · Director at Spruce Power Holding, filing Form 4 there in the last year