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Who

Nerissa Kreher

Director

Company insider

Files Form 4 as: Director, Xeris Biopharma Holdings; Director, Rezolute; Chief Medical Officer, Entrada Therapeutics; Chief Medical Officer, Tectonic Therapeutic.

In numbers

Trades disclosed
81
Buys
1
Sells
16
Bought
$9,997
Sold
$998K
Companies
4
Companies where not an officer
2
First trade
8 Oct 2018
Last trade
1 Jul 2026
Last filed
2 Jul 2026

Companies traded

Where they are an officer
TRDA Entrada TherapeuticsOfficer · Biotechnology · last 6 Sep 20230 buys · 16 sells
TECX Tectonic TherapeuticOfficer · Biotechnology · last 8 Oct 20180 buys · 0 sells
Everywhere else they filed: board seats, 10% stakes, other companies
XERS Xeris Biopharma HoldingsDirector · Biotechnology · last 1 Jul 20260 buys · 0 sells
RZLT RezoluteDirector · Biotechnology · last 19 Nov 20251 buy · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
01Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
1 Jul 2026filed 2 Jul 2026XERS Xeris Biopharma HoldingsBiotechnologySEC FORM 4 Code A—33,582 at $0.00filing
1 Jul 2026filed 2 Jul 2026XERS Xeris Biopharma Holdingsoption or derivative · BiotechnologySEC FORM 4 Code A$303K37,910 at $8.00filing
1 Jul 2026filed 2 Jul 2026XERS Xeris Biopharma Holdingsoption or derivative · BiotechnologySEC FORM 4 Code A$303K37,910 at $8.00filing
1 Jul 2026filed 2 Jul 2026XERS Xeris Biopharma HoldingsBiotechnologySEC FORM 4 Code A—33,582 at $0.00filing
19 Nov 2025filed 21 Nov 2025RZLT Rezoluteoption or derivative · BiotechnologySEC FORM 4 Code A—12,000 at $0.00filing
19 Nov 2025filed 21 Nov 2025RZLT RezoluteBiotechnologySEC FORM 4 Code A—21,000 at $0.00filing
13 Jun 2025filed 23 Jun 2025RZLT RezoluteBiotechnologySEC FORM 4 Bought$9,9973,076 at $3.25filing
10 Jun 2025filed 13 Jun 2025RZLT Rezoluteoption or derivative · BiotechnologySEC FORM 4 Code A—5,000 at $0.00filing
10 Jun 2025filed 13 Jun 2025RZLT RezoluteBiotechnologySEC FORM 4 Code A—9,000 at $0.00filing
16 Feb 2025filed 19 Feb 2025RZLT Rezoluteoption or derivative · BiotechnologySEC FORM 4 Code A—15,000 at $0.00filing
16 Feb 2025filed 19 Feb 2025RZLT RezoluteBiotechnologySEC FORM 4 Code A—25,500 at $0.00filing
23 Jan 2024filed 25 Jan 2024RZLT Rezoluteoption or derivative · BiotechnologySEC FORM 4 Code A—30,000 at $0.00filing
6 Sep 2023filed 6 Sep 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Sold$12K871 at $13.46filing
6 Sep 2023filed 6 Sep 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Sold$29421 at $14.00filing
5 Sep 2023filed 6 Sep 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Code F$5,798401 at $14.46filing
1 Sep 2023filed 6 Sep 2023TRDA Entrada Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—21,500 at $0.00filing
1 Sep 2023filed 6 Sep 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Code A—14,200 at $0.00filing
4 Aug 2023filed 4 Aug 2023TRDA Entrada Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code M—6,898 at $0.00filing
4 Aug 2023filed 4 Aug 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Code M$14K6,898 at $2.10filing
4 Aug 2023filed 4 Aug 2023TRDA Entrada TherapeuticsBiotechnologySEC FORM 4 Sold$98K6,898 at $14.14filing

News

Sectors

Health Care17

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

Related people

Marc SchwabishChief Business Officer · Chief Business Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Daniel LochnerChief Financial Officer · Chief Financial Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Alise ReicinChief Executive Officer · Chief Executive Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Marcella K. RuddyChief Medical Officer · Chief Medical Officer at Tectonic Therapeutic, filing Form 4 there in the last year
Peter McNamaraChief Scientific Officer · Chief Scientific Officer at Tectonic Therapeutic, filing Form 4 there in the last year
MPM BioVentures 2014, L.P.10% owner · Also traded TRDA in the last 90 days
MPM BIOVENTURES 2018, L.P.10% owner · Also traded TRDA in the last 90 days
Kush ParmarDirector · Also traded TRDA in the last 90 days