MASS Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$5.3M
6 insiders
Net Insider Flow
-$5.3M
open market, 180d
Reporting Insiders
6
36 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, 2026Knopp Kevin J.President and CEO, DirectorSell(S)222$9.07$2K
Jul 2, 2026Brown Christopher D.DirectorSell(S)2K$9.02$20K
Jun 30, 2026Brown Christopher D.DirectorSell(S)20K$8.84$177K
Jun 26, 2026Knopp Kevin J.President and CEO, DirectorSell(S)3K$9.09$25K
Jun 25, 2026Knopp Kevin J.President and CEO, DirectorSell(S)16K$9.10$149K
Jun 25, 2026Leonhart Michele M.DirectorOption exercise(M)6K
Jun 25, 2026Leonhart Michele M.DirectorOption exercise(M)6K$0
Jun 24, 2026Knopp Kevin J.President and CEO, DirectorSell(S)41K$9.14$370K
Jun 23, 2026Knopp Kevin J.President and CEO, DirectorSell(S)3K$9.06$31K
Jun 23, 2026AWM Investment Company, Inc.10% OwnerSell(S)3K$9.00$27K
Jun 23, 2026Brown Christopher D.DirectorSell(S)10K$9.04$89K
Jun 22, 2026AWM Investment Company, Inc.10% OwnerSell(S)5K$8.99$42K
Jun 11, 2026Hunt AnthonyDirectorGrant(A)14K$0
Jun 11, 2026Hunt AnthonyDirectorGrant(A)6K$0
Jun 11, 2026Crandell KeithDirectorGrant(A)14K$0
Jun 11, 2026Crandell KeithDirectorGrant(A)6K$0
Jun 11, 2026Eloi Fenel MDirectorGrant(A)14K$0
Jun 11, 2026Eloi Fenel MDirectorGrant(A)6K$0
Jun 11, 2026Spoto MarkDirectorGrant(A)14K$0
Jun 11, 2026Spoto MarkDirectorGrant(A)6K$0
Jun 11, 2026Vann Brandi CDirectorGrant(A)14K$0
Jun 11, 2026Vann Brandi CDirectorGrant(A)6K$0
Jun 11, 2026Hrusovsky E KevinDirectorGrant(A)14K$0
Jun 11, 2026Hrusovsky E KevinDirectorGrant(A)6K$0
Jun 11, 2026Leonhart Michele M.DirectorGrant(A)14K$0
Jun 11, 2026Leonhart Michele M.DirectorGrant(A)6K$0
Jun 10, 2026Hunt AnthonyDirectorOption exercise(M)14K
Jun 10, 2026Hunt AnthonyDirectorOption exercise(M)14K$0
Jun 10, 2026Crandell KeithDirectorOption exercise(M)14K
Jun 10, 2026Crandell KeithDirectorOption exercise(M)14K$0
Jun 10, 2026Eloi Fenel MDirectorOption exercise(M)14K
Jun 10, 2026Eloi Fenel MDirectorOption exercise(M)14K$0
Jun 10, 2026Spoto MarkDirectorOption exercise(M)14K
Jun 10, 2026Spoto MarkDirectorOption exercise(M)14K$0
Jun 10, 2026Hrusovsky E KevinDirectorOption exercise(M)14K
Jun 10, 2026Hrusovsky E KevinDirectorOption exercise(M)14K$0
Jun 10, 2026Leonhart Michele M.DirectorOption exercise(M)14K
Jun 10, 2026Leonhart Michele M.DirectorOption exercise(M)14K$0
Jun 4, 2026AWM Investment Company, Inc.10% OwnerSell(S)40K$8.97$357K
Jun 4, 2026Brown Christopher D.DirectorSell(S)100$9.00$900
Jun 3, 2026Brown Christopher D.DirectorSell(S)20K$8.73$175K
Jun 2, 2026AWM Investment Company, Inc.10% OwnerSell(S)3K$8.95$22K
May 28, 2026Brown Christopher D.DirectorSell(S)30K$9.00$270K
May 28, 2026AWM Investment Company, Inc.10% OwnerSell(S)170K$8.66$1.5M
May 28, 2026Griffith Joseph H. IVChief Financial OfficerSell(S)7K$9.03$63K
May 27, 2026AWM Investment Company, Inc.10% OwnerSell(S)15K$8.25$124K
May 27, 2026AWM Investment Company, Inc.10% OwnerSell(S)2K$8.25$12K
May 11, 2026AWM Investment Company, Inc.10% OwnerSell(S)5K$8.25$41K
May 8, 2026Kenneweg JohnSVP, Sales & Product MarketingSell(S)18K$8.11$148K
May 8, 2026AWM Investment Company, Inc.10% OwnerSell(S)3K$8.20$25K
May 7, 2026AWM Investment Company, Inc.10% OwnerSell(S)13K$8.20$105K
May 6, 2026Brown Christopher D.DirectorSell(S)20K$7.23$145K
May 6, 2026AWM Investment Company, Inc.10% OwnerSell(S)5K$8.00$40K
May 6, 2026AWM Investment Company, Inc.10% OwnerSell(S)57K$8.06$462K
May 1, 2026Kenneweg JohnSVP, Sales & Product MarketingOption exercise(M)26K
May 1, 2026Kenneweg JohnSVP, Sales & Product MarketingSell(S)8K$6.83$53K
May 1, 2026Kenneweg JohnSVP, Sales & Product MarketingOption exercise(M)26K$0
Apr 28, 2026Kenneweg JohnSVP, Sales & Product MarketingGrant(A)26K$0
Apr 21, 2026Otitoju Kolawole A.Chief Bus. & Strategy OfficerGrant(A)147K$0
Apr 21, 2026Otitoju Kolawole A.Chief Bus. & Strategy OfficerGrant(A)110K$0
Apr 10, 2026Brown Christopher D.DirectorSell(S)18K$7.07$124K
Apr 10, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)3K$1.05$3K
Apr 10, 2026McCallion Kevin J.SVP, Products and ProductionSell(S)3K$7.01$19K
Apr 10, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)3K$0
Apr 9, 2026Brown Christopher D.DirectorSell(S)7K$7.04$52K
Apr 9, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)5K$1.05$6K
Apr 9, 2026McCallion Kevin J.SVP, Products and ProductionSell(S)5K$7.03$38K
Apr 9, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)5K$0
Apr 8, 2026Brown Christopher D.DirectorSell(S)15K$7.05$106K
Apr 8, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)19K$1.05$20K
Apr 8, 2026McCallion Kevin J.SVP, Products and ProductionSell(S)19K$7.05$131K
Apr 8, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)19K$0
Mar 2, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)7$1.05$7
Mar 2, 2026McCallion Kevin J.SVP, Products and ProductionSell(S)7$7.00$49
Mar 2, 2026McCallion Kevin J.SVP, Products and ProductionOption exercise(M)7$0
Feb 2, 2026Griffith Joseph H. IVChief Financial OfficerSell(S)23K$6.18$143K
Feb 2, 2026Griffith Joseph H. IVChief Financial OfficerGrant(A)121K$0
Feb 2, 2026Griffith Joseph H. IVChief Financial OfficerGrant(A)53K$0
Feb 2, 2026Knopp Kevin J.President and CEO, DirectorSell(S)35K$6.18$215K
Feb 2, 2026Knopp Kevin J.President and CEO, DirectorGrant(A)90K$0
Feb 2, 2026Knopp Kevin J.President and CEO, DirectorGrant(A)206K$0
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)5K
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)10K
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)11K
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)43K
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)11K$0
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)43K$0
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)5K$0
Feb 1, 2026Griffith Joseph H. IVChief Financial OfficerOption exercise(M)10K$0
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)66K
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)17K
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)13K
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)11K
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)66K$0
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)11K$0
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)13K$0
Feb 1, 2026Knopp Kevin J.President and CEO, DirectorOption exercise(M)17K$0
Feb 1, 2026Brown Christopher D.DirectorOption exercise(M)11K
Feb 1, 2026Brown Christopher D.DirectorOption exercise(M)7K
Feb 1, 2026Brown Christopher D.DirectorOption exercise(M)5K

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 2021-01-042026-07-22. Earlier history is backfilling; this window widens as it deepens.

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