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Who

R. Mark Graf

Director

Company insider

Files Form 4 as: Director, Signet Jewelers; Director, Marqeta; Director, Harmony Biosciences Holdings; EVP & Chief Financial Officer, Discover Financial Services; Director, Bnc Bancorp.

Every Form 4 they filed

In numbers

Trades disclosed
85
Buys
1
Sells
10
Bought
$1,025
Sold
$14.1M
Companies
5
Companies where not an officer
4
First trade
14 Sep 2010
Last trade
21 Aug 2026
Last filed
24 Aug 2026

Companies traded

Where they are an officer
Discover Financial ServicesOfficer · last 25 Jul 20190 buys · 10 sells
Everywhere else they filed: board seats, 10% stakes, other companies
SIG Signet JewelersDirector · Retail — Specialty · last 21 Aug 20260 buys · 0 sells
MQ MarqetaDirector · Software · last 20 Jul 20260 buys · 0 sells
HRMY Harmony Biosciences HoldingsDirector · Pharmaceuticals · last 14 May 20260 buys · 0 sells
Bnc BancorpDirector · last 14 Sep 20101 buy · 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. 1 lines have no legible date and are left out.

Every trade

TradedCompanyWhatAmount
21 Aug 2026filed 24 Aug 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—8.67 at $0.00filing
21 Aug 2026filed 24 Aug 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—8.67 at $0.00filing
20 Jul 2026filed 24 Jul 2026MQ MarqetaSoftwareSEC FORM 4 Code M—6,447filing
20 Jul 2026filed 24 Jul 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code M—6,447 at $0.00filing
20 Jul 2026filed 24 Jul 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code M—6,447 at $0.00filing
20 Jul 2026filed 24 Jul 2026MQ MarqetaSoftwareSEC FORM 4 Code M—6,447filing
26 Jun 2026filed 30 Jun 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—2,018 at $0.00filing
26 Jun 2026filed 30 Jun 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—2,018 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ MarqetaSoftwareSEC FORM 4 Code M—36,297 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code M—36,297 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code A—52,219 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code M—36,297 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ Marqetaoption or derivative · SoftwareSEC FORM 4 Code A—52,219 at $0.00filing
10 Jun 2026filed 11 Jun 2026MQ MarqetaSoftwareSEC FORM 4 Code M—36,297 at $0.00filing
22 May 2026filed 26 May 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—8.83 at $0.00filing
22 May 2026filed 26 May 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—8.83 at $0.00filing
14 May 2026filed 18 May 2026HRMY Harmony Biosciences Holdingsoption or derivative · PharmaceuticalsSEC FORM 4 Code A—21,872 at $0.00filing
14 May 2026filed 18 May 2026HRMY Harmony Biosciences Holdingsoption or derivative · PharmaceuticalsSEC FORM 4 Code A—21,872 at $0.00filing
20 Feb 2026filed 23 Feb 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—6.7 at $0.00filing
20 Feb 2026filed 23 Feb 2026SIG Signet JewelersRetail — SpecialtySEC FORM 4 Code A—6.7 at $0.00filing

News

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

Sectors

Not placed11

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

Related people

Nobody else traded the same names lately.