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Who

Nadim Ahmed

Director

Company insider

Files Form 4 as: Director, Disc Medicine; President and CEO, Cullinan Therapeutics; EVP and President, Hematology, Bristol-Myers Squibb; Pres., Global Hem. and Onc., Celgene Corp /de/.

In numbers

Trades disclosed
139
Buys
1
Sells
10
Bought
$100K
Sold
$1.2M
Companies
4
Companies where not an officer
1
First trade
30 Jul 2018
Last trade
18 Jun 2026
Last filed
23 Jun 2026

Companies traded

Where they are an officer
CGEM Cullinan TherapeuticsDirector, Officer · Biotechnology · last 24 Feb 20261 buy · 10 sells
BMY Bristol-Myers SquibbOfficer · Pharmaceuticals · last 31 Dec 20200 buys · 0 sells
Celgene Corp /de/Officer · last 20 Nov 20190 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
IRON Disc MedicineDirector · Biotechnology · last 18 Jun 20260 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
20Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
18 Jun 2026filed 23 Jun 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—5,176 at $0.00filing
18 Jun 2026filed 23 Jun 2026IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—5,176 at $0.00filing
24 Feb 2026filed 25 Feb 2026CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$196K13,515 at $14.47filing
24 Feb 2026filed 25 Feb 2026CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$196K13,515 at $14.47filing
20 Feb 2026filed 23 Feb 2026CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$223K16,381 at $13.62filing
20 Feb 2026filed 23 Feb 2026CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$223K16,381 at $13.62filing
18 Feb 2026filed 19 Feb 2026CGEM Cullinan Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—828,000 at $0.00filing
18 Feb 2026filed 19 Feb 2026CGEM Cullinan Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—828,000 at $0.00filing
23 Dec 2025filed 29 Dec 2025CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$99K9,922 at $10.01filing
14 Jul 2025filed 16 Jul 2025IRON Disc Medicineoption or derivative · BiotechnologySEC FORM 4 Code A—20,000 at $0.00filing
25 Feb 2025filed 27 Feb 2025CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$107K12,529 at $8.53filing
19 Feb 2025filed 21 Feb 2025CGEM Cullinan Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—360,000 at $0.00filing
19 Feb 2025filed 21 Feb 2025CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Code A—180,000 at $0.00filing
24 Dec 2024filed 27 Dec 2024CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$100K8,400 at $11.87filing
22 Feb 2024filed 23 Feb 2024CGEM Cullinan Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—320,000 at $0.00filing
22 Feb 2024filed 23 Feb 2024CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Code A—160,000 at $0.00filing
26 Dec 2023filed 27 Dec 2023CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$39K4,272 at $9.24filing
28 Jun 2023filed 29 Jun 2023CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$8,653759 at $11.40filing
23 May 2023filed 24 May 2023CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$6,469707 at $9.15filing
25 Apr 2023filed 26 Apr 2023CGEM Cullinan TherapeuticsBiotechnologySEC FORM 4 Sold$7,582716 at $10.59filing

News

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

Sectors

Health Care11

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

Related people

Cari GallmanEVP, General Counsel · EVP, General Counsel at Bristol Myers Squibb Co, filing Form 4 there in the last year
Michael R. McMullenDirector · Director at Bristol Myers Squibb Co, filing Form 4 there in the last year
Phyllis R. YaleDirector · Director at Bristol Myers Squibb Co, filing Form 4 there in the last year
Peter J. ArduiniDirector · Director at Bristol Myers Squibb Co, filing Form 4 there in the last year
Derica W. RiceDirector · Director at Bristol Myers Squibb Co, filing Form 4 there in the last year
Jennifer MichaelsonChief Scientific Officer · Also traded CGEM in the last 90 days