MBX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$526K
1 insiders
Open-Market Sells (180d)
$2.7M
2 insiders
Net Insider Flow
-$2.2M
open market, 180d
Reporting Insiders
3
5 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Jun 4, 2026Pescovitz Ora H.DirectorGrant(A)13K$0
Jun 4, 2026Heron Patrick JDirector, 10% OwnerGrant(A)13K$0
Jun 4, 2026Stelzer LaurieDirectorGrant(A)13K$0
Jun 4, 2026Hoerter Steven L.DirectorGrant(A)13K$0
Jun 4, 2026Ryder StevenDirectorGrant(A)13K$0
Jun 4, 2026Aynechi TibaDirectorGrant(A)13K$0
Jun 4, 2026Mathers Edward TDirectorGrant(A)13K$0
May 8, 2026Azoulay SalomonChief Medical OfficerOption exercise(M)55K$10.46$575K
May 8, 2026Azoulay SalomonChief Medical OfficerSell(S)55K$38.38$2.1M
May 8, 2026Azoulay SalomonChief Medical OfficerOption exercise(M)15K$16.00$240K
May 8, 2026Azoulay SalomonChief Medical OfficerSell(S)15K$38.30$575K
May 8, 2026Azoulay SalomonChief Medical OfficerOption exercise(M)55K$0
May 8, 2026Azoulay SalomonChief Medical OfficerOption exercise(M)15K$0
May 6, 2026Azoulay SalomonChief Medical OfficerSell(S)231$29.54$7K
May 6, 2026Hawryluk P. KentPresident & CEO, DirectorSell(S)607$29.54$18K
May 1, 2026Hoerter Steven L.DirectorGrant(A)12K$0
May 1, 2026Hoerter Steven L.DirectorGrant(A)74K$0
Mar 13, 2026Hawryluk P. KentPresident & CEO, DirectorBuy(P)19K$28.41$526K
Feb 26, 2026Hawryluk P. KentPresident & CEO, DirectorOption exercise(M)29K$16.00$460K
Feb 26, 2026Hawryluk P. KentPresident & CEO, DirectorOption exercise(M)29K$0
Feb 2, 2026Hawryluk P. KentPresident & CEO, DirectorGrant(A)35K$0
Feb 2, 2026Hawryluk P. KentPresident & CEO, DirectorGrant(A)165K$0
Feb 2, 2026Bartram RichardChief Financial OfficerGrant(A)15K$0
Feb 2, 2026Bartram RichardChief Financial OfficerGrant(A)70K$0
Feb 2, 2026Azoulay SalomonChief Medical OfficerGrant(A)15K$0
Feb 2, 2026Azoulay SalomonChief Medical OfficerGrant(A)70K$0
Jan 20, 2026Stelzer LaurieDirectorGrant(A)32K$0
Nov 22, 2025Hoerter Steven L.DirectorGrant(A)0$0
Nov 6, 2025Hoerter Steven L.DirectorGrant(A)34K$0
Oct 24, 2025Hawryluk P. KentPresident & CEO, DirectorOption exercise(M)183K$3.25$594K
Oct 24, 2025Hawryluk P. KentPresident & CEO, DirectorOption exercise(M)183K$0
Oct 20, 2025Hawryluk P. KentPresident & CEO, DirectorBuy(P)20K$13.64$273K
Oct 17, 2025Hoerter Steven L.DirectorBuy(P)20K$13.25$265K
Sep 26, 2025FHMLS X, L.P.10% OwnerBuy(P)667K$18.00$12.0M
Jun 5, 2025Pescovitz Ora H.DirectorGrant(A)16K$0
Jun 5, 2025Heron Patrick JDirector, 10% OwnerGrant(A)16K$0
Jun 5, 2025Ryder StevenDirectorGrant(A)16K$0
Jun 5, 2025Cornelius James MDirectorGrant(A)16K$0
Jun 5, 2025Aynechi TibaDirectorGrant(A)16K$0
Jun 5, 2025Hoerter Steven L.DirectorGrant(A)16K$0
Jun 5, 2025Mathers Edward TDirector, 10% OwnerGrant(A)16K$0
Apr 8, 2025Pescovitz Ora H.DirectorBuy(P)8K$5.89$45K
Apr 7, 2025Hoerter Steven L.DirectorGrant(A)32K$0
Feb 18, 2025OrbiMed Genesis GP LLCDirector, 10% OwnerBuy(P)94K$10.84$1.0M
Feb 18, 2025OrbiMed Genesis GP LLCDirector, 10% OwnerBuy(P)49K$10.84$532K
Feb 18, 2025Gordon Carl LDirector, 10% OwnerBuy(P)49K$10.84$532K
Feb 18, 2025Gordon Carl LDirector, 10% OwnerBuy(P)94K$10.84$1.0M
Feb 14, 2025OrbiMed Genesis GP LLCDirector, 10% OwnerBuy(P)18K$9.90$178K
Feb 14, 2025OrbiMed Genesis GP LLCDirector, 10% OwnerBuy(P)30K$9.85$291K
Feb 14, 2025Gordon Carl LDirector, 10% OwnerBuy(P)30K$9.85$291K
Feb 14, 2025Gordon Carl LDirector, 10% OwnerBuy(P)18K$9.90$178K
Feb 4, 2025Hawryluk P. KentPresident & CEO, DirectorBuy(P)50K$10.69$535K
Feb 3, 2025Hawryluk P. KentPresident & CEO, DirectorGrant(A)243K$0
Feb 3, 2025Bartram RichardChief Financial OfficerGrant(A)95K$0
Feb 3, 2025Azoulay SalomonChief Medical OfficerGrant(A)90K$0
Sep 16, 2024Yang Rick10% OwnerConversion(C)12.3M
Sep 16, 2024Aynechi TibaDirectorConversion(C)16.7M
Sep 16, 2024Yang Rick10% OwnerConversion(C)25.1M
Sep 16, 2024Wellington Biomedical Innovation Master Investors (Cayman) II L.P.10% OwnerConversion(C)1.4M
Sep 16, 2024Wellington Biomedical Innovation Master Investors (Cayman) II L.P.10% OwnerConversion(C)404K
Sep 16, 2024Wellington Biomedical Innovation Master Investors (Cayman) II L.P.10% OwnerConversion(C)4.9M$0
Sep 16, 2024Wellington Biomedical Innovation Master Investors (Cayman) II L.P.10% OwnerConversion(C)16.7M$0
Sep 16, 2024Gordon Carl LDirector, 10% OwnerBuy(P)500K$16.00$8.0M
Sep 16, 2024Gordon Carl LDirector, 10% OwnerBuy(P)250K$16.00$4.0M
Sep 16, 2024Gordon Carl LDirector, 10% OwnerConversion(C)2.7M
Sep 16, 2024Gordon Carl LDirector, 10% OwnerConversion(C)404K
Sep 16, 2024Gordon Carl LDirector, 10% OwnerConversion(C)19.6M
Sep 16, 2024Gordon Carl LDirector, 10% OwnerConversion(C)4.9M
Sep 16, 2024Gordon Carl LDirector, 10% OwnerConversion(C)12.4M
Sep 16, 2024Aynechi TibaDirectorBuy(P)750K$16.00$12.0M
Sep 16, 2024Aynechi TibaDirectorConversion(C)1.4M
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)284K
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)116K
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)2.0M
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)346K
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)971K
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)77K
Sep 16, 2024Hawryluk P. KentPresident & CEO, DirectorConversion(C)1.4M
Sep 16, 2024Heron Patrick JDirector, 10% OwnerBuy(P)625K$16.00$10.0M
Sep 16, 2024Heron Patrick JDirector, 10% OwnerConversion(C)3.9M
Sep 16, 2024Heron Patrick JDirector, 10% OwnerConversion(C)28.3M
Sep 16, 2024Heron Patrick JDirector, 10% OwnerConversion(C)18.9M
Sep 16, 2024Cornelius James MDirectorConversion(C)102K
Sep 16, 2024Cornelius James MDirectorConversion(C)233K
Sep 16, 2024Cornelius James MDirectorConversion(C)994K
Sep 16, 2024FHMLS X, L.P.10% OwnerConversion(C)3.9M
Sep 16, 2024FHMLS X, L.P.10% OwnerBuy(P)625K$16.00$10.0M
Sep 16, 2024FHMLS X, L.P.10% OwnerConversion(C)28.3M
Sep 16, 2024FHMLS X, L.P.10% OwnerConversion(C)18.9M
Sep 16, 2024NEA Partners 17, L.P.10% OwnerBuy(P)500K$16.00$8.0M
Sep 16, 2024NEA Partners 17, L.P.10% OwnerConversion(C)2.1M
Sep 16, 2024NEA Partners 17, L.P.10% OwnerConversion(C)1.0M
Sep 16, 2024NEA Partners 17, L.P.10% OwnerConversion(C)12.3M
Sep 16, 2024NEA Partners 17, L.P.10% OwnerConversion(C)25.1M
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerConversion(C)2.7M
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerBuy(P)500K$16.00$8.0M
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerConversion(C)404K
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerBuy(P)250K$16.00$4.0M
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerConversion(C)12.4M
Sep 16, 2024Orbimed Advisors LLCDirector, 10% OwnerConversion(C)19.6M

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Coverage: Form 4 filings indexed 2021-01-042026-07-20. Earlier history is backfilling; this window widens as it deepens.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).