KRRO Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$20.7M
10 insiders
Open-Market Sells (180d)
$4.4M
6 insiders
Net Insider Flow
$16.3M
open market, 180d
Reporting Insiders
16
29 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
Jul 6, 2026Formela Jean FrancoisDirectorSell(S)817$13.96$11K
Jul 6, 2026Formela Jean FrancoisDirectorSell(S)9K$13.96$119K
Jul 2, 2026Formela Jean FrancoisDirectorSell(S)86K$14.03$1.2M
Jul 2, 2026Formela Jean FrancoisDirectorSell(S)15K$14.03$207K
Jun 24, 2026Formela Jean FrancoisDirectorSell(S)41K$14.60$594K
Jun 24, 2026Formela Jean FrancoisDirectorSell(S)666$14.98$10K
Jun 24, 2026Formela Jean FrancoisDirectorSell(S)7K$14.60$102K
Jun 24, 2026Formela Jean FrancoisDirectorSell(S)114$14.98$2K
Jun 23, 2026Formela Jean FrancoisDirectorSell(S)102K$14.25$1.4M
Jun 23, 2026Formela Jean FrancoisDirectorSell(S)17K$14.25$248K
Jun 22, 2026Formela Jean FrancoisDirectorSell(S)3K$13.95$47K
Jun 22, 2026Formela Jean FrancoisDirectorSell(S)580$13.95$8K
Jun 16, 2026Cerio JeffreyGeneral CounselSell(S)7K$10.83$72K
Jun 16, 2026Chappell ToddChief Operating OfficerSell(S)3K$10.83$34K
Jun 16, 2026Dolan OliverSenior Vice President, FinanceSell(S)3K$10.83$37K
Jun 16, 2026Vincent Loic AChief Scientific OfficerSell(S)3K$10.83$37K
Jun 10, 2026Meyers RachelDirectorGrant(A)15K$0
Jun 10, 2026Pearson Timothy RDirectorGrant(A)15K$0
Jun 10, 2026Formela Jean FrancoisDirectorGrant(A)15K$0
Jun 10, 2026Bermingham NessanDirectorGrant(A)15K$0
Jun 10, 2026Knobil KatharineDirectorGrant(A)15K$0
Jun 10, 2026Behbahani AliDirectorGrant(A)15K$0
May 29, 2026Aiyar RamPresident and CEO, DirectorSell(S)15K$12.98$197K
May 28, 2026Formela Jean FrancoisDirectorSell(S)419$13.95$6K
May 28, 2026Formela Jean FrancoisDirectorSell(S)2K$13.95$34K
May 26, 2026Aiyar RamPresident and CEO, DirectorGrant(A)50K$12.33$617K
Mar 31, 2026Lynx1 Capital Management LP10% OwnerBuy(P)520$10.60$6K
Mar 10, 2026Florence Anthony A. Jr.10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Florence Anthony A. Jr.10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Makhzoumi Mohamad10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Makhzoumi Mohamad10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Walker Paul Edward10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Walker Paul Edward10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Mathers Edward T10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Mathers Edward T10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Baskett Forest10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Baskett Forest10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Chang Carmen10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Chang Carmen10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Behbahani AliDirector, 10% OwnerGrant(A)207K$11.11$2.3M
Mar 10, 2026Behbahani AliDirector, 10% OwnerGrant(A)243K$11.11$2.7M
Mar 10, 2026New Enterprise Associates 17, L.P.10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026New Enterprise Associates 17, L.P.10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Sandell Scott D10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Sandell Scott D10% OwnerBuy(P)243K$11.11$2.7M
Mar 10, 2026Yang Rick10% OwnerBuy(P)207K$11.11$2.3M
Mar 10, 2026Yang Rick10% OwnerBuy(P)243K$11.11$2.7M
Feb 2, 2026Chappell ToddChief Operating OfficerGrant(A)38K$0
Feb 2, 2026Cerio JeffreyGeneral CounselGrant(A)23K$0
Feb 2, 2026Dolan OliverSenior Vice President, FinanceGrant(A)15K$0
Feb 2, 2026Vincent Loic AChief Scientific OfficerGrant(A)35K$0
Feb 2, 2026Aiyar RamPresident and CEO, DirectorGrant(A)40K$0
Feb 2, 2026Aiyar RamPresident and CEO, DirectorGrant(A)80K$0
Dec 15, 2025Dolan OliverSenior Vice President, FinanceGrant(A)21K$0
Dec 15, 2025Cerio JeffreyGeneral CounselGrant(A)42K$0
Dec 15, 2025Vincent Loic AChief Scientific OfficerGrant(A)22K$0
Dec 15, 2025Chappell ToddChief Operating OfficerGrant(A)20K$0
Jun 11, 2025Pearson Timothy RDirectorGrant(A)6K$0
Jun 11, 2025Formela Jean FrancoisDirectorGrant(A)6K$0
Jun 11, 2025Knobil KatharineDirectorGrant(A)6K$0
Jun 11, 2025Bermingham NessanDirectorGrant(A)6K$0
Jun 11, 2025Meyers RachelDirectorGrant(A)6K$0
Jun 11, 2025Behbahani AliDirector, 10% OwnerGrant(A)6K$0
Apr 1, 2025Vincent Loic AChief Scientific OfficerGrant(A)70K$0
Apr 1, 2025Dolan OliverSenior Vice President, FinanceGrant(A)20K$0
Feb 3, 2025Olugemo OlukemiChief Medical OfficerGrant(A)42K$0
Feb 3, 2025Chappell ToddChief Operating OfficerGrant(A)35K$0
Feb 3, 2025Aiyar RamPresident and CEO, DirectorGrant(A)100K$0
Feb 3, 2025Agarwal VineetChief Financial OfficerGrant(A)30K$0
Feb 3, 2025Cerio JeffreyGeneral CounselGrant(A)29K$0
Nov 11, 2024Agarwal VineetChief Financial OfficerSell(S)800$70.00$56K
Nov 11, 2024Agarwal VineetChief Financial OfficerOption exercise(M)800$11.68$9K
Nov 11, 2024Agarwal VineetChief Financial OfficerOption exercise(M)800$0
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)56$76.00$4K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)457$78.59$36K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)2K$79.79$145K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)5K$80.50$399K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)317$81.48$26K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)25$82.89$2K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)260$77.55$20K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)164$73.71$12K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)2K$71.51$145K
Oct 17, 2024Agarwal VineetChief Financial OfficerOption exercise(M)953$14.98$14K
Oct 17, 2024Agarwal VineetChief Financial OfficerOption exercise(M)9K$11.68$108K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)23$77.00$2K
Oct 17, 2024Agarwal VineetChief Financial OfficerSell(S)115$74.56$9K
Oct 17, 2024Agarwal VineetChief Financial OfficerOption exercise(M)953$0
Oct 17, 2024Agarwal VineetChief Financial OfficerOption exercise(M)9K$0
Sep 3, 2024Cerio JeffreyGeneral CounselGrant(A)40K$0
Aug 26, 2024Knobil KatharineDirectorGrant(A)9K$0
Jun 11, 2024Lucchino David L.DirectorGrant(A)5K$0
Jun 11, 2024Pearson Timothy RDirectorGrant(A)5K$0
Jun 11, 2024Bermingham NessanDirectorGrant(A)5K$0
Jun 11, 2024Meyers RachelDirectorGrant(A)5K$0
Jun 11, 2024Formela Jean FrancoisDirectorGrant(A)5K$0
Jun 11, 2024Behbahani AliDirector, 10% OwnerGrant(A)5K$0
Jun 3, 2024Olugemo OlukemiChief Medical OfficerGrant(A)65K$0
Apr 22, 2024Sandell Scott D10% OwnerBuy(P)18K$56.00$1000K
Apr 22, 2024Makhzoumi Mohamad10% OwnerBuy(P)18K$56.00$1000K
Apr 22, 2024Yang Rick10% OwnerBuy(P)18K$56.00$1000K

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 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

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