CRBU Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$47K
4 insiders
Net Insider Flow
-$47K
open market, 180d
Reporting Insiders
4
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
Feb 25, 2026Kelly Timothy PChief Technology OfficerSell(S)6K$1.93$12K
Feb 24, 2026McClung Barbara GChief Legal OfficerSell(S)7K$1.96$14K
Feb 24, 2026Kelly Timothy PChief Technology OfficerSell(S)3K$1.96$6K
Feb 24, 2026Khan Ruhi AhmadChief Business OfficerSell(S)7K$1.96$14K
Feb 24, 2026Albertson Tina M.Chief Medical OfficerSell(S)1K$1.96$2K
Feb 20, 2026Guggenhime AndrewDirectorGrant(A)45K$0
Feb 20, 2026McClung Barbara GChief Legal OfficerGrant(A)45K$0
Feb 20, 2026McClung Barbara GChief Legal OfficerGrant(A)203K$0
Feb 20, 2026Braunstein ScottDirectorGrant(A)45K$0
Feb 20, 2026Haurwitz Rachel E.President and CEO, DirectorGrant(A)152K$0
Feb 20, 2026Haurwitz Rachel E.President and CEO, DirectorGrant(A)683K$0
Feb 20, 2026Sacks NatalieDirectorGrant(A)45K$0
Feb 20, 2026Johnson David LeeDirectorGrant(A)45K$0
Feb 20, 2026Kelly Timothy PChief Technology OfficerGrant(A)45K$0
Feb 20, 2026Kelly Timothy PChief Technology OfficerGrant(A)203K$0
Feb 20, 2026Ryali SriramChief Financial OfficerGrant(A)55K$0
Feb 20, 2026Ryali SriramChief Financial OfficerGrant(A)248K$0
Feb 20, 2026Whiting NancyDirectorGrant(A)45K$0
Feb 20, 2026Zheng RanDirectorGrant(A)45K$0
Feb 20, 2026Khan Ruhi AhmadChief Business OfficerGrant(A)45K$0
Feb 20, 2026Khan Ruhi AhmadChief Business OfficerGrant(A)203K$0
Feb 20, 2026Richardson-Heron DaraDirectorGrant(A)45K$0
Feb 20, 2026Albertson Tina M.Chief Medical OfficerGrant(A)55K$0
Feb 20, 2026Albertson Tina M.Chief Medical OfficerGrant(A)248K$0
Mar 14, 2025Haurwitz Rachel E.President and CEO, DirectorBuy(P)20K$1.02$20K
Feb 21, 2025McClung Barbara GChief Legal OfficerSell(S)4K$1.35$5K
Feb 21, 2025Kanner StevenChief Scientific OfficerSell(S)4K$1.35$5K
Feb 21, 2025Khan Ruhi AhmadChief Business OfficerSell(S)4K$1.35$5K
Feb 20, 2025Guggenhime AndrewDirectorGrant(A)41K$0
Feb 20, 2025McClung Barbara GChief Legal OfficerGrant(A)38K$0
Feb 20, 2025McClung Barbara GChief Legal OfficerGrant(A)170K$0
Feb 20, 2025Braunstein ScottDirectorGrant(A)41K$0
Feb 20, 2025Haurwitz Rachel E.President and CEO, DirectorGrant(A)137K$0
Feb 20, 2025Haurwitz Rachel E.President and CEO, DirectorGrant(A)618K$0
Feb 20, 2025Sacks NatalieDirectorGrant(A)41K$0
Feb 20, 2025Johnson David LeeDirectorGrant(A)41K$0
Feb 20, 2025Kelly Timothy PChief Technology OfficerGrant(A)38K$0
Feb 20, 2025Kelly Timothy PChief Technology OfficerGrant(A)170K$0
Feb 20, 2025Kanner StevenChief Scientific OfficerGrant(A)38K$0
Feb 20, 2025Kanner StevenChief Scientific OfficerGrant(A)170K$0
Feb 20, 2025Whiting NancyDirectorGrant(A)41K$0
Feb 20, 2025Zheng RanDirectorGrant(A)41K$0
Feb 20, 2025Khan Ruhi AhmadChief Business OfficerGrant(A)38K$0
Feb 20, 2025Khan Ruhi AhmadChief Business OfficerGrant(A)170K$0
Feb 20, 2025Richardson-Heron DaraDirectorGrant(A)41K$0
Feb 20, 2025Albertson Tina M.Chief Medical OfficerGrant(A)15K$0
Feb 20, 2025Albertson Tina M.Chief Medical OfficerGrant(A)66K$0
Jan 29, 2025Ryali SriramChief Financial OfficerBuy(P)17K$1.42$25K
Jan 10, 2025Ryali SriramChief Financial OfficerGrant(A)300K$0
Nov 20, 2024Fischesser RyanVP of Finance and ControllerGrant(A)25K$0
Aug 19, 2024Albertson Tina M.Chief Medical OfficerGrant(A)300K$0
Feb 20, 2024Braunstein ScottDirectorGrant(A)40K$0
Feb 20, 2024Guggenhime AndrewDirectorGrant(A)40K$0
Feb 20, 2024Johnson David LeeDirectorGrant(A)40K$0
Feb 20, 2024Richardson-Heron DaraDirectorGrant(A)40K$0
Feb 20, 2024Sacks NatalieDirectorGrant(A)40K$0
Feb 20, 2024Whiting NancyDirectorGrant(A)40K$0
Feb 20, 2024Zheng RanDirectorGrant(A)40K$0
Feb 20, 2024Kanner StevenChief Scientific OfficerGrant(A)33K$0
Feb 20, 2024Kanner StevenChief Scientific OfficerGrant(A)153K$0
Feb 20, 2024Haurwitz Rachel E.President and CEO, DirectorGrant(A)119K$0
Feb 20, 2024Haurwitz Rachel E.President and CEO, DirectorGrant(A)547K$0
Feb 20, 2024Khan Ruhi AhmadChief Business OfficerGrant(A)33K$0
Feb 20, 2024Khan Ruhi AhmadChief Business OfficerGrant(A)153K$0
Feb 20, 2024McClung Barbara GChief Legal OfficerGrant(A)33K$0
Feb 20, 2024McClung Barbara GChief Legal OfficerGrant(A)153K$0
Feb 20, 2024O'Byrne JasonChief Financial OfficerGrant(A)33K$0
Feb 20, 2024O'Byrne JasonChief Financial OfficerGrant(A)153K$0
Feb 6, 2024Kanner StevenChief Scientific OfficerOption exercise(M)31K$2.69$82K
Feb 6, 2024Kanner StevenChief Scientific OfficerOption exercise(M)31K$0
Jan 8, 2024Kelly Timothy PChief Technology OfficerGrant(A)300K$0
Jun 8, 2023Haurwitz Rachel E.President and CEO, DirectorOption exercise(M)10K$2.96$30K
Jun 8, 2023Haurwitz Rachel E.President and CEO, DirectorOption exercise(M)10K$0
Mar 20, 2023Haurwitz Rachel E.President and CEO, DirectorOption exercise(M)10K$2.96$30K
Mar 20, 2023Haurwitz Rachel E.President and CEO, DirectorOption exercise(M)10K$0
Feb 21, 2023Johnson David LeeDirectorGrant(A)22K$0
Feb 21, 2023O'Byrne JasonChief Financial OfficerGrant(A)131K$0
Feb 21, 2023Whiting NancyDirectorGrant(A)22K$0
Feb 21, 2023Zheng RanDirectorGrant(A)22K$0
Feb 21, 2023Rizvi Syed Ali-aamirChief Medical OfficerGrant(A)131K$0
Feb 21, 2023McClung Barbara GChief Legal OfficerGrant(A)131K$0
Feb 21, 2023Guggenhime AndrewDirectorGrant(A)22K$0
Feb 21, 2023Braunstein ScottDirectorGrant(A)22K$0
Feb 21, 2023Sacks NatalieDirectorGrant(A)22K$0
Feb 21, 2023Khan Ruhi AhmadChief Business OfficerGrant(A)131K$0
Feb 21, 2023Richardson-Heron DaraDirectorGrant(A)22K$0
Feb 21, 2023Kanner StevenChief Scientific OfficerGrant(A)131K$0
Feb 21, 2023Haurwitz Rachel E.President and CEO, DirectorGrant(A)511K$0
Jan 19, 2023Rizvi Syed Ali-aamirChief Medical OfficerSell(S)6K$6.31$36K
Dec 2, 2022Kanner StevenChief Scientific OfficerOption exercise(M)21K$2.69$58K
Dec 2, 2022Kanner StevenChief Scientific OfficerOption exercise(M)21K$2.69$58K
Oct 6, 2022Fischesser RyanVP of Finance and ControllerOption exercise(M)3K$2.69$8K
Oct 6, 2022Fischesser RyanVP of Finance and ControllerOption exercise(M)3K$4.11$12K
Oct 6, 2022Fischesser RyanVP of Finance and ControllerSell(S)10K$10.80$108K
Oct 6, 2022Fischesser RyanVP of Finance and ControllerOption exercise(M)3K$0
Oct 6, 2022Fischesser RyanVP of Finance and ControllerOption exercise(M)3K$0
Sep 15, 2022McClung Barbara GChief Legal OfficerOption exercise(M)77$2.69$207
Sep 15, 2022McClung Barbara GChief Legal OfficerOption exercise(M)28K$2.69$74K
Sep 15, 2022McClung Barbara GChief Legal OfficerOption exercise(M)77$0
Sep 15, 2022McClung Barbara GChief Legal OfficerOption exercise(M)28K$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.

Coverage: Form 4 filings indexed 2021-03-292026-07-14. Earlier history is backfilling; this window widens as it deepens.

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