CALC Insider Trading

Net Buying · 180d
Open-Market Buys (180d)
$200K
1 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$200K
open market, 180d
Reporting Insiders
1
1 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 2, 2026Zaytsev EvgenyDirectorGrant(A)20K$0
Jun 25, 2026Hebbar SudarshanChief Medical OfficerGrant(A)124K$0.80$100K
Jun 25, 2026Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerGrant(A)187K$0.80$150K
Jun 25, 2026Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerGrant(A)187K$0.80$150K
Jun 25, 2026Middleton Fred ADirector, 10% OwnerBuy(P)249K$0.80$200K
Jun 25, 2026Wilson Robert NDirectorGrant(A)1.2M$0.80$950K
Oct 13, 2025Glicklich AlanDirectorGrant(A)937$0
Sep 18, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)3K$3.07$8K
Sep 15, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)3K$2.68$9K
Sep 12, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$3.12$16K
Sep 9, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)2K$3.15$7K
Aug 29, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)800$2.74$2K
Aug 28, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)9K$2.86$26K
Aug 21, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)4K$2.79$10K
Aug 20, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerOption exercise(M)15K$1.53$23K
Aug 20, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)2K$2.72$5K
Aug 20, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerOption exercise(M)15K$1.53$23K
Aug 19, 2025Hebbar SudarshanChief Medical OfficerBuy(P)10K$2.82$27K
Aug 19, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)1K$2.79$3K
Aug 15, 2025Hebbar SudarshanChief Medical OfficerBuy(P)4K$2.79$12K
Aug 15, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$2.90$15K
Aug 14, 2025Hebbar SudarshanChief Medical OfficerBuy(P)2K$2.59$4K
Jul 28, 2025Stauderman Kenneth A.Chief Scientific OfficerBuy(P)1K$3.96$4K
Jul 25, 2025Stauderman Kenneth A.Chief Scientific OfficerSell(S)1K$3.65$4K
Jul 22, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)2K$3.78$6K
Jul 21, 2025Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerBuy(P)1K$3.40$3K
Jul 21, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)2K$3.37$5K
Jul 18, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)2K$2.88$6K
Jul 18, 2025Wilson Robert NDirectorBuy(P)5K$2.87$13K
Jul 14, 2025Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerBuy(P)3K$2.47$6K
Jul 14, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)7K$2.43$16K
Jul 9, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$1.60$8K
Jul 1, 2025Stauderman Kenneth A.Chief Scientific OfficerBuy(P)1K$1.85$2K
Jun 26, 2025Bardin StephenChief Financial OfficerBuy(P)2K$1.50$3K
Jun 26, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$1.44$6K
Jun 24, 2025Middleton Fred ADirector, 10% OwnerGrant(A)10K$0
Jun 24, 2025Middleton Fred ADirector, 10% OwnerGrant(A)7K$0
Jun 24, 2025Middleton Fred ADirector, 10% OwnerGrant(A)20K$0
Jun 24, 2025Middleton Fred ADirector, 10% OwnerGrant(A)10K$0
Jun 24, 2025Wilson Robert NDirectorGrant(A)10K$0
Jun 24, 2025Wilson Robert NDirectorGrant(A)10K$0
Jun 24, 2025Wilson Robert NDirectorGrant(A)12K$0
Jun 24, 2025Wilson Robert NDirectorGrant(A)37K$0
Jun 24, 2025Shaw AllanDirectorGrant(A)10K$0
Jun 24, 2025Shaw AllanDirectorGrant(A)26K$0
Jun 24, 2025Shaw AllanDirectorGrant(A)9K$0
Jun 24, 2025Shaw AllanDirectorGrant(A)10K$0
Jun 24, 2025Glicklich AlanDirectorGrant(A)10K$0
Jun 24, 2025Glicklich AlanDirectorGrant(A)4K$0
Jun 24, 2025Glicklich AlanDirectorGrant(A)15K$0
Jun 24, 2025Glicklich AlanDirectorGrant(A)10K$0
Jun 24, 2025Guerard FredericDirectorGrant(A)10K$0
Jun 24, 2025Guerard FredericDirectorGrant(A)15K$0
Jun 24, 2025Guerard FredericDirectorGrant(A)5K$0
Jun 24, 2025Guerard FredericDirectorGrant(A)10K$0
Jun 24, 2025Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerGrant(A)78K$0
Jun 24, 2025Dunn Michael J.President and COOGrant(A)47K$0
Jun 24, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerGrant(A)73K$0
Jun 24, 2025Stauderman Kenneth A.Chief Scientific OfficerGrant(A)47K$0
Jun 24, 2025Bardin StephenChief Financial OfficerGrant(A)20K$0
Jun 24, 2025Hebbar SudarshanChief Medical OfficerGrant(A)83K$0
Jun 11, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$1.85$9K
Jun 6, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$1.78$9K
Jun 5, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)5K$1.70$9K
May 30, 2025Bardin StephenChief Financial OfficerBuy(P)1K$1.69$2K
Apr 23, 2025Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerGrant(A)285K$0
Apr 23, 2025Hebbar SudarshanChief Medical OfficerGrant(A)175K$0
Apr 23, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerGrant(A)160K$0
Apr 23, 2025Dunn Michael J.President and COOGrant(A)125K$0
Apr 23, 2025Stauderman Kenneth A.Chief Scientific OfficerGrant(A)125K$0
Apr 23, 2025Bardin StephenChief Financial OfficerGrant(A)130K$0
Apr 5, 2025Stauderman Kenneth A.Chief Scientific OfficerGrant(A)65K$0
Apr 5, 2025Hebbar SudarshanChief Medical OfficerGrant(A)91K$0
Apr 5, 2025Dunn Michael J.President and COOGrant(A)65K$0
Apr 5, 2025Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerGrant(A)83K$0
Apr 5, 2025Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerGrant(A)148K$0
Apr 5, 2025Bardin StephenChief Financial OfficerGrant(A)68K$0
Jan 15, 2025Glicklich AlanDirectorGrant(A)20K$0
Dec 6, 2024Middleton Fred ADirector, 10% OwnerBuy(P)5K$2.65$13K
Nov 1, 2024Wilson Robert NDirectorBuy(P)53K$3.75$200K
Nov 1, 2024Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerBuy(P)53K$3.75$200K
Nov 1, 2024Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerBuy(P)20K$3.75$75K
Nov 1, 2024Middleton Fred ADirector, 10% OwnerBuy(P)20K$3.75$75K
Nov 1, 2024Middleton Fred ADirector, 10% OwnerBuy(P)87K$3.75$326K
Nov 1, 2024Middleton Fred ADirector, 10% OwnerBuy(P)877$3.75$3K
Nov 1, 2024Sanderling Venture Partners VI LP10% OwnerBuy(P)877$3.75$3K
Nov 1, 2024Sanderling Venture Partners VI LP10% OwnerBuy(P)87K$3.75$326K
Sep 9, 2024Dunn Michael J.President and COOOption exercise(M)12K$1.39$16K
Sep 9, 2024Dunn Michael J.President and COOOption exercise(M)12K
Aug 27, 2024Shaw AllanDirectorGrant(A)10K$0
Aug 27, 2024Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerBuy(P)1K$4.19$4K
Aug 27, 2024Leheny A. RachelCHIEF EXECUTIVE OFFICER, Director, 10% OwnerGrant(A)115K$0
Aug 27, 2024Hebbar SudarshanChief Medical OfficerGrant(A)83K$0
Aug 27, 2024Roberts Eric WCHIEF BUSINESS OFFICER, Director, 10% OwnerGrant(A)78K$0
Aug 27, 2024Stauderman Kenneth A.Chief Scientific OfficerGrant(A)63K$0
Aug 27, 2024Dunn Michael J.President and COOGrant(A)63K$0
Aug 27, 2024Wilson Robert NDirectorGrant(A)10K$0
Aug 27, 2024Middleton Fred ADirector, 10% OwnerGrant(A)10K$0
Aug 27, 2024Bjerkholt EricDirectorGrant(A)10K$0
Aug 27, 2024Guerard FredericDirectorGrant(A)10K$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 2021-03-292026-07-11. Earlier history is backfilling; this window widens as it deepens.

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