KYMR Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$428.7M
9 insiders
Net Insider Flow
-$428.7M
open market, 180d
Reporting Insiders
9
233 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 7, 2026Mainolfi NelloChief Executive Officer, DirectorOption exercise(M)4K$0
Jul 7, 2026Mainolfi NelloChief Executive Officer, DirectorOption exercise(M)46K$0
Jul 7, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)50K$119.00$6.0M
Jul 7, 2026Mainolfi NelloChief Executive Officer, DirectorOption exercise(M)50K$2.08$104K
Jul 1, 2026Goodman NoahChief Business OfficerSell(S)3K$114.29$387K
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorOption exercise(M)80K$2.08$166K
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)2K$112.80$212K
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)7K$113.98$755K
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)24K$114.96$2.8M
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)44K$115.69$5.1M
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorSell(S)3K$116.56$389K
Jul 1, 2026Mainolfi NelloChief Executive Officer, DirectorOption exercise(M)80K$0
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerOption exercise(M)61K$5.33$327K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)2K$110.54$166K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)2K$111.57$190K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)1K$112.79$124K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)4K$114.19$469K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)51K$114.77$5.9M
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)8K$115.82$923K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)6K$116.99$720K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerSell(S)3K$117.70$377K
Jun 30, 2026Jacobs Bruce N.Chief Financial OfficerOption exercise(M)61K$0
Jun 29, 2026Booth BruceDirectorSell(S)6K$105.78$587K
Jun 29, 2026Booth BruceDirectorSell(S)15K$106.63$1.6M
Jun 29, 2026Booth BruceDirectorSell(S)19K$107.76$2.1M
Jun 29, 2026Booth BruceDirectorSell(S)11K$108.28$1.2M
Jun 29, 2026Booth BruceDirectorSell(S)8K$109.75$874K
Jun 29, 2026Booth BruceDirectorSell(S)8K$110.67$855K
Jun 29, 2026Booth BruceDirectorSell(S)934$111.20$104K
Jun 29, 2026Booth BruceDirectorSell(S)770$105.78$81K
Jun 29, 2026Booth BruceDirectorSell(S)2K$106.63$227K
Jun 29, 2026Booth BruceDirectorSell(S)3K$107.76$291K
Jun 29, 2026Booth BruceDirectorSell(S)1K$108.28$162K
Jun 29, 2026Booth BruceDirectorSell(S)1K$109.75$121K
Jun 29, 2026Booth BruceDirectorSell(S)1K$110.67$119K
Jun 29, 2026Booth BruceDirectorSell(S)130$111.20$14K
Jun 29, 2026Booth BruceDirectorSell(S)5K$105.78$579K
Jun 29, 2026Booth BruceDirectorSell(S)15K$106.63$1.6M
Jun 29, 2026Booth BruceDirectorSell(S)19K$107.76$2.1M
Jun 29, 2026Booth BruceDirectorSell(S)848$105.78$90K
Jun 29, 2026Booth BruceDirectorSell(S)2K$106.63$247K
Jun 29, 2026Booth BruceDirectorSell(S)3K$107.76$326K
Jun 29, 2026Booth BruceDirectorSell(S)11K$108.28$1.2M
Jun 29, 2026Booth BruceDirectorSell(S)8K$109.75$860K
Jun 29, 2026Booth BruceDirectorSell(S)8K$110.67$841K
Jun 29, 2026Booth BruceDirectorSell(S)907$111.20$101K
Jun 29, 2026Booth BruceDirectorSell(S)2K$108.28$183K
Jun 29, 2026Booth BruceDirectorSell(S)1K$109.75$136K
Jun 29, 2026Booth BruceDirectorSell(S)1K$110.67$133K
Jun 29, 2026Booth BruceDirectorSell(S)157$111.20$17K
Jun 26, 2026BVF Partners L PDirectorSell(S)838K$106.50$89.2M
Jun 26, 2026BVF Partners L PDirectorSell(S)628K$106.50$66.8M
Jun 26, 2026BVF Partners L PDirectorSell(S)113K$106.50$12.1M
Jun 26, 2026BVF Partners L PDirectorSell(S)52K$106.50$5.5M
Jun 26, 2026Booth BruceDirectorSell(S)28K$107.57$3.0M
Jun 26, 2026Booth BruceDirectorSell(S)231K$108.14$25.0M
Jun 26, 2026Booth BruceDirectorSell(S)33K$109.79$3.6M
Jun 26, 2026Booth BruceDirectorSell(S)11K$110.49$1.2M
Jun 26, 2026Booth BruceDirectorSell(S)10K$111.51$1.2M
Jun 26, 2026Booth BruceDirectorSell(S)555$112.49$62K
Jun 26, 2026Booth BruceDirectorSell(S)15K$113.97$1.7M
Jun 26, 2026Booth BruceDirectorSell(S)28K$114.94$3.2M
Jun 26, 2026Booth BruceDirectorSell(S)7K$115.69$789K
Jun 26, 2026Booth BruceDirectorSell(S)12K$117.09$1.4M
Jun 26, 2026Booth BruceDirectorSell(S)22K$117.85$2.6M
Jun 26, 2026Booth BruceDirectorSell(S)12K$118.66$1.5M
Jun 26, 2026Booth BruceDirectorSell(S)4K$107.57$426K
Jun 26, 2026Booth BruceDirectorSell(S)32K$108.14$3.5M
Jun 26, 2026Booth BruceDirectorSell(S)5K$109.79$501K
Jun 26, 2026Booth BruceDirectorSell(S)2K$110.49$174K
Jun 26, 2026Booth BruceDirectorSell(S)1K$111.51$161K
Jun 26, 2026Booth BruceDirectorSell(S)78$112.49$9K
Jun 26, 2026Booth BruceDirectorSell(S)2K$113.97$237K
Jun 26, 2026Booth BruceDirectorSell(S)4K$114.94$448K
Jun 26, 2026Booth BruceDirectorSell(S)952$115.69$110K
Jun 26, 2026Booth BruceDirectorSell(S)2K$117.09$199K
Jun 26, 2026Booth BruceDirectorSell(S)3K$117.85$362K
Jun 26, 2026Booth BruceDirectorSell(S)2K$118.66$205K
Jun 25, 2026Booth BruceDirectorSell(S)10K$107.30$1.1M
Jun 25, 2026Booth BruceDirectorSell(S)159$108.02$17K
Jun 25, 2026Booth BruceDirectorSell(S)14K$108.83$1.6M
Jun 25, 2026Booth BruceDirectorSell(S)2K$110.30$211K
Jun 25, 2026Booth BruceDirectorSell(S)614$110.79$68K
Jun 25, 2026Booth BruceDirectorSell(S)719$111.89$80K
Jun 25, 2026Booth BruceDirectorSell(S)10K$113.70$1.2M
Jun 25, 2026Booth BruceDirectorSell(S)9K$114.65$1.1M
Jun 25, 2026Booth BruceDirectorSell(S)58K$115.57$6.7M
Jun 25, 2026Booth BruceDirectorSell(S)82K$116.53$9.5M
Jun 25, 2026Booth BruceDirectorSell(S)24K$117.50$2.9M
Jun 25, 2026Booth BruceDirectorSell(S)19K$118.60$2.3M
Jun 25, 2026Booth BruceDirectorSell(S)1K$107.30$150K
Jun 25, 2026Booth BruceDirectorSell(S)23$108.02$2K
Jun 25, 2026Booth BruceDirectorSell(S)2K$108.83$219K
Jun 25, 2026Booth BruceDirectorSell(S)265$110.30$29K
Jun 25, 2026Booth BruceDirectorSell(S)86$110.79$10K
Jun 25, 2026Booth BruceDirectorSell(S)100$111.89$11K
Jun 25, 2026Booth BruceDirectorSell(S)1K$113.70$163K
Jun 25, 2026Booth BruceDirectorSell(S)1K$114.65$148K
Jun 25, 2026Booth BruceDirectorSell(S)8K$115.57$970K
Jun 25, 2026Booth BruceDirectorSell(S)11K$116.53$1.3M

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).