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Who

Samuel J. Reich

CEO

Company insider

Files Form 4 as: CEO, SAB Biotherapeutics; Executive VP, Opko Health.

In numbers

Trades disclosed
25
Buys
3
Sells
0
Bought
$4.2M
Sold
$0
Companies
2
Companies where not an officer
0
First trade
29 Mar 2007
Last trade
3 Feb 2026
Last filed
5 Feb 2026

Companies traded

Where they are an officer
SABS SAB BiotherapeuticsDirector, Officer, 10% owner · Biotechnology · last 3 Feb 20263 buys · 0 sells
OPK Opko HealthOfficer · Biotechnology · last 29 Mar 20070 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
3 Feb 2026filed 5 Feb 2026SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,800,000 at $0.00filing
3 Feb 2026filed 5 Feb 2026SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,800,000 at $0.00filing
26 Aug 2025filed 28 Aug 2025SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—4,800,000 at $0.00filing
15 Jul 2024filed 17 Jul 2024SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—35,700 at $0.00filing
21 Feb 2024filed 23 Feb 2024SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—434,000 at $0.00filing
29 Nov 2023filed 30 Nov 2023SABS SAB BiotherapeuticsBiotechnologySEC FORM 4 Bought$9,79011,000 at $0.89filing
14 Mar 2023filed 16 Mar 2023SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—525,000 at $0.00filing
28 Feb 2023filed 2 Mar 2023SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code J—208,600 at $0.00filing
28 Feb 2023filed 2 Mar 2023SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code J—9,968 at $0.00filing
13 Sep 2022filed 15 Sep 2022SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—525,000 at $0.00filing
20 May 2022filed 23 May 2022SABS SAB BiotherapeuticsBiotechnologySEC FORM 4 Code J—2,500,127 at $0.00filing
20 May 2022filed 23 May 2022SABS SAB BiotherapeuticsBiotechnologySEC FORM 4 Code J—207,001 at $0.00filing
16 Mar 2022filed 18 Mar 2022SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—7,000 at $0.00filing
17 Nov 2021filed 19 Nov 2021SABS SAB Biotherapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—350,000 at $0.00filing
14 Oct 2021filed 15 Oct 2021SABS SAB BiotherapeuticsBiotechnologySEC FORM 4 Bought$10K1,000 at $10.11filing
14 Jan 2021filed 14 Jan 2021SABS SAB BiotherapeuticsBiotechnologySEC FORM 4 Bought$4.2M417,200 at $10.00filing
29 Mar 2007filed 2 Apr 2007OPK Opko Healthoption or derivative · BiotechnologySEC FORM 4 Code J—14,883 at $0.00filing
29 Mar 2007filed 2 Apr 2007OPK Opko Healthoption or derivative · BiotechnologySEC FORM 4 Code J—14,883 at $0.00filing
29 Mar 2007filed 2 Apr 2007OPK Opko Healthoption or derivative · BiotechnologySEC FORM 4 Code J—14,883 at $0.00filing
29 Mar 2007filed 2 Apr 2007OPK Opko Healthoption or derivative · BiotechnologySEC FORM 4 Code J—259,471 at $0.00filing

News

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

Sectors

Health Care3

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

Related people

Alexandra KropotovaDirector · Chief Medical Officer at SAB Biotherapeutics, filing Form 4 there in the last year
Steven D. RubinDirector · Executive VP-Administration at Opko Health, filing Form 4 there in the last year
Adam LogalSr. Vice President, CFO · Sr. Vice President, CFO at Opko Health, filing Form 4 there in the last year
Alice Lin-Tsing YuDirector · Director at Opko Health, filing Form 4 there in the last year
Richard C. Pfenniger Jr.Director · Director at Opko Health, filing Form 4 there in the last year