MBRX Insider Trading

MBRX · full profile →Last filing Nov 12, 2025
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 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

98 shown
DateInsiderRoleActionSharesPriceValue
Nov 12, 2025George Robert E.DirectorGrant(A)150K
Nov 12, 2025Climaco John MDirectorGrant(A)150K
Nov 12, 2025Cannon Michael DDirectorGrant(A)150K
Nov 12, 2025Cermak ElizabethDirectorGrant(A)150K
Nov 12, 2025Yan JoyDirectorGrant(A)150K
Nov 12, 2025Klemp Walter VCEO and President, DirectorGrant(A)830K
Nov 12, 2025Klemp Walter VCEO and President, DirectorGrant(A)750K
Nov 12, 2025Foster Jonathan P.EVP & CFOGrant(A)600K
Nov 12, 2025Foster Jonathan P.EVP & CFOGrant(A)400K
Nov 12, 2025Picker Donald HCSOGrant(A)200K
Nov 12, 2025Picker Donald HCSOGrant(A)200K
Nov 4, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)21K
Nov 4, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)5K$0.50$3K
Nov 4, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)21K$0
Nov 4, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)29K
Nov 4, 2025Klemp Walter VCEO and President, DirectorTax withholding(F)7K$0.50$4K
Nov 4, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)29K$0
Nov 4, 2025Picker Donald HChief Science OfficerTax withholding(F)2K$0.50$1K
Nov 4, 2025Picker Donald HChief Science OfficerOption exercise(M)9K
Nov 4, 2025Picker Donald HChief Science OfficerOption exercise(M)9K$0
Jun 23, 2025Klemp Walter VCEO and President, DirectorBuy(P)676K$0.37$250K
Jun 23, 2025Klemp Walter VCEO and President, DirectorBuy(P)2.0M
Jun 23, 2025Foster Jonathan P.Chief Financial OfficerBuy(P)270K$0.37$100K
Jun 23, 2025Foster Jonathan P.Chief Financial OfficerBuy(P)811K
Jun 22, 2025Picker Donald HChief Science OfficerTax withholding(F)430$0.27$116
Jun 22, 2025Picker Donald HChief Science OfficerOption exercise(M)2K
Jun 22, 2025Picker Donald HChief Science OfficerOption exercise(M)2K$0
Jun 22, 2025Klemp Walter VCEO and President, DirectorTax withholding(F)2K$0.27$591
Jun 22, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)9K
Jun 22, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)9K$0
Jun 22, 2025Foster Jonathan P.Chief Financial OfficerTax withholding(F)1K$0.27$285
Jun 22, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)4K
Jun 22, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)4K$0
Jun 20, 2025Picker Donald HChief Science OfficerOption exercise(M)1K
Jun 20, 2025Picker Donald HChief Science OfficerTax withholding(F)263$0.27$71
Jun 20, 2025Picker Donald HChief Science OfficerOption exercise(M)1K$0
Jun 20, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)4K
Jun 20, 2025Klemp Walter VCEO and President, DirectorTax withholding(F)914$0.27$247
Jun 20, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)4K$0
Jun 20, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)3K
Jun 20, 2025Foster Jonathan P.Chief Financial OfficerTax withholding(F)661$0.27$178
Jun 20, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)3K$0
Jun 16, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)2K
Jun 16, 2025Klemp Walter VCEO and President, DirectorTax withholding(F)406$0.69$280
Jun 16, 2025Klemp Walter VCEO and President, DirectorOption exercise(M)2K$0
Jun 16, 2025Foster Jonathan P.Chief Financial OfficerTax withholding(F)203$0.69$140
Jun 16, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)833
Jun 16, 2025Foster Jonathan P.Chief Financial OfficerOption exercise(M)833$0
Nov 4, 2024Klemp Walter VCEO and President, DirectorGrant(A)100K
Nov 4, 2024Klemp Walter VCEO and President, DirectorGrant(A)115K
Nov 4, 2024Foster Jonathan P.Chief Financial OfficerGrant(A)83K
Nov 4, 2024Foster Jonathan P.Chief Financial OfficerGrant(A)65K
Nov 4, 2024Picker Donald HChief Science OfficerGrant(A)40K
Nov 4, 2024Picker Donald HChief Science OfficerGrant(A)35K
Nov 4, 2024Cannon Michael DDirectorGrant(A)10K
Nov 4, 2024George Robert E.DirectorGrant(A)10K
Nov 4, 2024Climaco John MDirectorGrant(A)10K
Nov 4, 2024Cermak ElizabethDirectorGrant(A)10K
Nov 4, 2024Yan JoyDirectorGrant(A)10K
Oct 25, 2024Klemp Walter VCEO and President, DirectorGrant(A)44K
Oct 25, 2024Foster Jonathan P.Chief Financial OfficerGrant(A)19K
Oct 25, 2024Picker Donald HChief Science OfficerGrant(A)6K
Jul 2, 2024Klemp Walter VCEO and President, DirectorTax withholding(F)240$3.57$857
Jul 2, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)982
Jul 2, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)982$0
Jun 22, 2024Klemp Walter VCEO and President, DirectorTax withholding(F)2K$3.74$8K
Jun 22, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)9K
Jun 22, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)9K$0
Jun 22, 2024Foster Jonathan P.Chief Financial OfficerTax withholding(F)1K$3.74$4K
Jun 22, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)4K
Jun 22, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)4K$0
Jun 22, 2024Picker Donald HChief Science OfficerOption exercise(M)2K
Jun 22, 2024Picker Donald HChief Science OfficerTax withholding(F)524$3.74$2K
Jun 22, 2024Picker Donald HChief Science OfficerOption exercise(M)2K$0
Jun 20, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)4K
Jun 20, 2024Klemp Walter VCEO and President, DirectorTax withholding(F)914$3.78$3K
Jun 20, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)4K$0
Jun 20, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)3K
Jun 20, 2024Foster Jonathan P.Chief Financial OfficerTax withholding(F)636$3.78$2K
Jun 20, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)3K$0
Jun 20, 2024Picker Donald HChief Science OfficerOption exercise(M)1K
Jun 20, 2024Picker Donald HChief Science OfficerTax withholding(F)320$3.78$1K
Jun 20, 2024Picker Donald HChief Science OfficerOption exercise(M)1K$0
Jun 16, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)2K
Jun 16, 2024Klemp Walter VCEO and President, DirectorTax withholding(F)406$4.14$2K
Jun 16, 2024Klemp Walter VCEO and President, DirectorOption exercise(M)2K$0
Jun 16, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)834
Jun 16, 2024Foster Jonathan P.Chief Financial OfficerTax withholding(F)196$4.14$811
Jun 16, 2024Foster Jonathan P.Chief Financial OfficerOption exercise(M)834$0
Dec 26, 2023Klemp Walter VCEO and President, DirectorBuy(P)188K$0.69$130K
Dec 26, 2023George Robert E.DirectorBuy(P)14K$0.69$10K
Dec 26, 2023Foster Jonathan P.Chief Financial OfficerBuy(P)29K$0.69$20K
Jul 11, 2023Klemp Walter VCEO and President, DirectorOption exercise(M)13K$0
Jul 11, 2023Klemp Walter VCEO and President, DirectorTax withholding(F)3K$0.59$2K
Jul 11, 2023Klemp Walter VCEO and President, DirectorOption exercise(M)13K
Jul 2, 2023Klemp Walter VCEO and President, DirectorOption exercise(M)15K
Jul 2, 2023Klemp Walter VCEO and President, DirectorTax withholding(F)4K$0.58$2K
Jul 2, 2023Klemp Walter VCEO and President, DirectorOption exercise(M)15K$0

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.

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