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Who

Martin Babler

Director

Company insider

Files Form 4 as: Director, MapLight Therapeutics; Director, Prelude Therapeutics; President, CEO and Chairman, Alumis; Director, 89bio; Director, Neurogene; President, CEO, Principia Biopharma; Director, ZS Pharma; Director, Infinity Pharmaceuticals.

In numbers

Trades disclosed
108
Buys
1
Sells
4
Bought
$101K
Sold
$3.4M
Companies
8
Companies where not an officer
6
First trade
22 May 2008
Last trade
23 Jun 2026
Last filed
25 Jun 2026

Companies traded

Where they are an officer
ALMS AlumisDirector, Officer · Biotechnology · last 26 Jan 20261 buy · 0 sells
Principia BiopharmaDirector, Officer · last 28 Sep 20200 buys · 4 sells
Everywhere else they filed: board seats, 10% stakes, other companies
MPLT MapLight TherapeuticsDirector · Biotechnology · last 23 Jun 20260 buys · 0 sells
PRLD Prelude TherapeuticsDirector · Biotechnology · last 9 Jun 20260 buys · 0 sells
89bioDirector · last 30 Oct 20250 buys · 0 sells
NGNE NeurogeneDirector · Biotechnology · last 8 Jun 20230 buys · 0 sells
ZS PharmaDirector · last 17 Dec 20150 buys · 0 sells
Infinity PharmaceuticalsDirector · last 11 Jun 20130 buys · 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
23 Jun 2026filed 25 Jun 2026MPLT MapLight TherapeuticsBiotechnologySEC FORM 4 Code A—7,864 at $0.00filing
23 Jun 2026filed 25 Jun 2026MPLT MapLight Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—29,804 at $0.00filing
23 Jun 2026filed 25 Jun 2026MPLT MapLight Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—29,804 at $0.00filing
23 Jun 2026filed 25 Jun 2026MPLT MapLight TherapeuticsBiotechnologySEC FORM 4 Code A—7,864 at $0.00filing
9 Jun 2026filed 10 Jun 2026PRLD Prelude Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—38,000 at $0.00filing
9 Jun 2026filed 10 Jun 2026PRLD Prelude Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—38,000 at $0.00filing
26 Jan 2026filed 28 Jan 2026ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—745,875 at $0.00filing
26 Jan 2026filed 28 Jan 2026ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—745,875 at $0.00filing
30 Oct 2025filed 30 Oct 202589biooption or derivativeSEC FORM 4 Code D—67,700 at $0.00filing
30 Oct 2025filed 30 Oct 202589biooption or derivativeSEC FORM 4 Code D—56,400 at $0.00filing
29 Jul 2025filed 31 Jul 2025ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—662,000 at $0.00filing
29 Jul 2025filed 31 Jul 2025ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—150,000 at $0.00filing
12 Jun 2025filed 13 Jun 2025PRLD Prelude Therapeuticsoption or derivative · BiotechnologySEC FORM 4 Code A—38,000 at $0.00filing
1 Apr 2025filed 3 Apr 2025ALMS AlumisBiotechnologySEC FORM 4 Bought$101K15,650 at $6.44filing
18 Feb 2025filed 20 Feb 2025ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—523,000 at $0.00filing
3 Feb 2025filed 5 Feb 202589biooption or derivativeSEC FORM 4 Code A—56,400 at $0.00filing
1 Jul 2024filed 1 Jul 2024ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code D—21,390 at $0.00filing
1 Jul 2024filed 1 Jul 2024ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—21,390 at $0.00filing
1 Jul 2024filed 1 Jul 2024ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code D—380,852 at $0.00filing
1 Jul 2024filed 1 Jul 2024ALMS Alumisoption or derivative · BiotechnologySEC FORM 4 Code A—380,852 at $0.00filing

Sectors

Health Care1
Not placed4

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

Related people

Srinivas AkkarajuDirector · Director at Alumis, filing Form 4 there in the last year
David M. GoldsteinChief Scientific Officer · Chief Scientific Officer at Alumis, filing Form 4 there in the last year
Roy C. HardimanChief Business & Strategy Ofcr · Chief Business & Strategy Ofcr at Alumis, filing Form 4 there in the last year
John R. SchroerChief Financial Officer · Chief Financial Officer at Alumis, filing Form 4 there in the last year
Jorn DrappaChief Medical Officer · Chief Medical Officer at Alumis, filing Form 4 there in the last year
Mark Christopher BradleyChief Development Officer · Also traded ALMS in the last 90 days
Sanam PangaliChief Legal Officer · Also traded ALMS in the last 90 days