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Who

Sigurd Kirk

Director

Company insider

Files Form 4 as: Director, Assertio Holdings; Director, Aravive; Sr VP Finance & Corp Controlle, Barr Pharmaceuticals.

Every Form 4 they filed

In numbers

Trades disclosed
30
Buys
0
Sells
0
Bought
$0
Sold
$0
Companies
3
Companies where not an officer
2
First trade
26 Jul 2006
Last trade
16 Jun 2026
Last filed
16 Jun 2026

Companies traded

Where they are an officer
Barr PharmaceuticalsOfficer · last 23 Dec 20080 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
Assertio HoldingsDirector · Biotechnology · last 16 Jun 20260 buys · 0 sells
AraviveDirector · last 23 Sep 20220 buys · 0 sells

Activity over time

Not enough dated trades to draw.

Every trade

TradedCompanyWhatAmount
16 Jun 2026filed 16 Jun 2026Assertio HoldingsBiotechnologySEC FORM 4 Code U—12,017 at $0.00filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivative · BiotechnologySEC FORM 4 Code D—7,913filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivative · BiotechnologySEC FORM 4 Code D—5,415filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivativeSEC FORM 4 Code D—7,913filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivativeSEC FORM 4 Code D—5,415filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivativeSEC FORM 4 Code D—5,415filing
16 Jun 2026filed 16 Jun 2026Assertio Holdingsoption or derivative · BiotechnologySEC FORM 4 Code D—5,415filing
16 Jun 2026filed 16 Jun 2026Assertio HoldingsSEC FORM 4 Code U—12,017 at $0.00filing
5 May 2026filed 6 May 2026Assertio HoldingsBiotechnologySEC FORM 4 Code A—4,851 at $0.00filing
5 May 2026filed 6 May 2026Assertio HoldingsSEC FORM 4 Code A—4,851 at $0.00filing
7 May 2025filed 9 May 2025Assertio Holdingsoption or derivativeSEC FORM 4 Code A—81,225 at $0.00filing
7 May 2025filed 9 May 2025Assertio HoldingsSEC FORM 4 Code A—53,750 at $0.00filing
23 May 2024filed 28 May 2024Assertio Holdingsoption or derivativeSEC FORM 4 Code A—81,225 at $0.00filing
23 May 2024filed 28 May 2024Assertio HoldingsSEC FORM 4 Code A—53,750 at $0.00filing
23 Sep 2022filed 26 Sep 2022Araviveoption or derivativeSEC FORM 4 Code A—97,063 at $0.00filing
10 Sep 2021filed 13 Sep 2021Araviveoption or derivativeSEC FORM 4 Code A—22,812 at $0.00filing
1 Jul 2021filed 2 Jul 2021Araviveoption or derivativeSEC FORM 4 Code A—15,435 at $0.00filing
1 Jul 2021filed 2 Jul 2021Araviveoption or derivativeSEC FORM 4 Code A—5,245 at $0.00filing
23 Dec 2008filed 29 Dec 2008Barr Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—1,500filing
23 Dec 2008filed 29 Dec 2008Barr Pharmaceuticalsoption or derivativeSEC FORM 4 Code D—3,000filing

News

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

Sectors

No trade we could place in a sector.

Related people

Nobody else traded the same names lately.