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Who

Gregory T. Schiffman

Director

Company insider

Files Form 4 as: Director, Fabric.AI; Chief Financial Officer, Absci; Director, Nanomix; Chief Financial Officer, Iovance Biotherapeutics; Chief Financial Officer, Microbot Medical; EVP, Dendreon; Director, Vnus Medical Technologies; Director, Xenogen.

In numbers

Trades disclosed
154
Buys
2
Sells
14
Bought
$250K
Sold
$7.2M
Companies
9
Companies where not an officer
4
First trade
5 Jan 2006
Last trade
18 Jun 2026
Last filed
18 Jun 2026

Companies traded

Where they are an officer
ABSI AbsciOfficer · Life-science tools · last 1 Mar 20230 buys · 0 sells
IOVA Iovance BiotherapeuticsOfficer · Biotechnology · last 14 Nov 20160 buys · 0 sells
MBOT Microbot MedicalOfficer · Medical Devices · last 15 Mar 20161 buy · 0 sells
DendreonOfficer · last 21 Oct 20131 buy · 3 sells
AffymetrixOfficer · last 4 Aug 20060 buys · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
FABC Fabric.AIDirector · Telecom Carriers · last 18 Jun 20260 buys · 9 sells
NanomixDirector · last 11 Oct 20220 buys · 0 sells
Vnus Medical TechnologiesDirector · last 17 Jun 20090 buys · 1 sell
XenogenDirector · last 9 Aug 20060 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 Jun 2026filed 18 Jun 2026FABC Fabric.AIoption or derivative · Telecom CarriersSEC FORM 4 Code A—45,042 at $0.00filing
18 Jun 2026filed 18 Jun 2026FABC Fabric.AIoption or derivative · Telecom CarriersSEC FORM 4 Code A—45,042 at $0.00filing
31 Oct 2025filed 31 Oct 2025FABC Fabric.AIoption or derivative · Telecom CarriersSEC FORM 4 Code A—22,723 at $0.00filing
2 Dec 2024filed 2 Dec 2024FABC Fabric.AIoption or derivative · Telecom CarriersSEC FORM 4 Code M—55,592 at $0.00filing
2 Dec 2024filed 2 Dec 2024FABC Fabric.AITelecom CarriersSEC FORM 4 Code D—3,520 at $0.00filing
2 Dec 2024filed 2 Dec 2024FABC Fabric.AITelecom CarriersSEC FORM 4 Code A—83,388 at $0.00filing
1 Aug 2023filed 3 Aug 2023FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$5,9657,274 at $0.82filing
3 May 2023filed 5 May 2023FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$3,3376,810 at $0.49filing
1 Mar 2023filed 3 Mar 2023ABSI Abscioption or derivative · Life-science toolsSEC FORM 4 Code A—425,000 at $0.00filing
1 Feb 2023filed 3 Feb 2023FABC Fabric.AITelecom CarriersSEC FORM 4 Code A—112,667 at $0.00filing
30 Jan 2023filed 3 Feb 2023FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$2,9074,094 at $0.71filing
1 Nov 2022filed 3 Nov 2022FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$2,4154,094 at $0.59filing
20 Oct 2022filed 24 Oct 2022ABSI Abscioption or derivative · Life-science toolsSEC FORM 4 Code M—50,000 at $0.00filing
20 Oct 2022filed 24 Oct 2022ABSI AbsciLife-science toolsSEC FORM 4 Code M$55K50,000 at $1.10filing
11 Oct 2022filed 21 Dec 2022Nanomixoption or derivativeSEC FORM 4 Code A—12,920 at $0.00filing
11 May 2022filed 3 Nov 2022FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$5,7427,003 at $0.82filing
2 Mar 2022filed 21 Dec 2022NanomixSEC FORM 4 Code C—36,167filing
21 Feb 2022filed 23 Feb 2022ABSI Abscioption or derivative · Life-science toolsSEC FORM 4 Code A—190,000 at $0.00filing
1 Feb 2022filed 3 Feb 2022FABC Fabric.AITelecom CarriersSEC FORM 4 Code A—65,504 at $0.00filing
5 Jan 2022filed 7 Jan 2022FABC Fabric.AITelecom CarriersSEC FORM 4 Sold$4,1572,535 at $1.64filing

Sectors

Communications9
Health Care1
Not placed6

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

Related people

Sean McClainChief Executive Officer · Chief Executive Officer at Absci, filing Form 4 there in the last year
Zachariah JonassonCFO / Cbo · CFO / Cbo at Absci, filing Form 4 there in the last year
Todd BedrickSVP, CAO · SVP, CAO at Absci, filing Form 4 there in the last year
Noah BerkowitzChief Medical Officer · Chief Medical Officer at Iovance Biotherapeutics, filing Form 4 there in the last year
Raj K. PuriChief Regulatory Officer · Chief Regulatory Officer at Iovance Biotherapeutics, filing Form 4 there in the last year