SEMR Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
2 insiders
Open-Market Sells (180d)
$8.8M
4 insiders
Net Insider Flow
-$8.8M
open market, 180d
Reporting Insiders
6
6 P/S transactions
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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
Apr 28, 2026Aldrich StevenDirectorDisposed to issuer(D)57K$12.00$683K
Apr 28, 2026Blake KatrynDirectorDisposed to issuer(D)68K$12.00$821K
Apr 28, 2026Blake KatrynDirectorDisposed to issuer(D)60K
Apr 28, 2026Baird AnnaDirectorDisposed to issuer(D)45K$12.00$534K
Apr 28, 2026Levin EugeniePresidentDisposed to issuer(D)578K$12.00$6.9M
Apr 28, 2026Levin EugeniePresidentDisposed to issuer(D)96K
Apr 28, 2026Levin EugeniePresidentDisposed to issuer(D)191K
Apr 28, 2026Levin EugeniePresidentDisposed to issuer(D)1.1M$12.00$13.8M
Apr 28, 2026Mason David WChief Legal OfficerDisposed to issuer(D)271K$12.00$3.3M
Apr 28, 2026Mason David WChief Legal OfficerDisposed to issuer(D)145K
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)2.7M$12.00$32.2M
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)9.0M$12.00$108.0M
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)5.9M$12.00$71.1M
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)0$0
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)1.3M$12.00$16.1M
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)119K
Apr 28, 2026Melnikov DmitryDirector, 10% OwnerDisposed to issuer(D)7.4M$12.00$88.7M
Apr 28, 2026Mulroy BrianChief Financial OfficerDisposed to issuer(D)1.0M$12.00$12.2M
Apr 28, 2026Mulroy BrianChief Financial OfficerDisposed to issuer(D)223K
Apr 28, 2026Pearce DylanDirectorDisposed to issuer(D)58K$12.00$702K
Apr 28, 2026Vranesh MarkDirectorDisposed to issuer(D)117K$12.00$1.4M
Apr 28, 2026Vranesh MarkDirectorDisposed to issuer(D)111K
Apr 28, 2026Vranesh MarkDirectorDisposed to issuer(D)60K
Apr 28, 2026Tsay Caroline JDirectorDisposed to issuer(D)44K$12.00$533K
Apr 28, 2026Wagner William RaymondChief Executive Officer, DirectorDisposed to issuer(D)1.6M$12.00$19.6M
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)7.2M$12.00$86.0M
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)26.7M$12.00$320.9M
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)3.3M$12.00$39.4M
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)239K
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)478K
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)2.0M$12.00$24.0M
Apr 28, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerDisposed to issuer(D)10.1M$12.00$121.0M
Apr 28, 2026Warden AndrewChief Marketing OfficerDisposed to issuer(D)339K$12.00$4.1M
Apr 28, 2026Warden AndrewChief Marketing OfficerDisposed to issuer(D)114K
Apr 28, 2026Warden AndrewChief Marketing OfficerDisposed to issuer(D)64K
Apr 28, 2026Warden AndrewChief Marketing OfficerDisposed to issuer(D)43K
Apr 10, 2026Mulroy BrianChief Financial OfficerTax withholding(F)4K$11.94$47K
Apr 1, 2026Levin EugeniePresidentTax withholding(F)3K$11.96$33K
Apr 1, 2026Warden AndrewChief Marketing OfficerTax withholding(F)3K$11.96$33K
Apr 1, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)7K$11.96$78K
Mar 13, 2026Levin EugeniePresidentSell(S)404K$11.91$4.8M
Mar 9, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerSell(S)200K$11.93$2.4M
Mar 5, 2026Mason David WChief Legal OfficerSell(S)97K$11.93$1.2M
Mar 2, 2026Warden AndrewChief Marketing OfficerSell(S)41K$11.81$487K
Feb 10, 2026Shchegolev OlegChief Technology Officer, Director, 10% OwnerBuy(P)144K$0
Feb 10, 2026Melnikov DmitryDirector, 10% OwnerBuy(P)67K$0
Jan 7, 2026Melnikov DmitryDirector, 10% OwnerSell(S)1K$11.90$17K
Dec 26, 2025Wagner William RaymondChief Executive Officer, DirectorTax withholding(F)224K$11.86$2.7M
Dec 16, 2025Mulroy BrianChief Financial OfficerSell(S)100K$11.86$1.2M
Dec 15, 2025Mason David WChief Legal OfficerTax withholding(F)26K$11.86$309K
Dec 15, 2025Mason David WChief Legal OfficerGrant(A)143K$0
Dec 15, 2025Wagner William RaymondChief Executive Officer, DirectorGrant(A)927K$0
Dec 15, 2025Wagner William RaymondChief Executive Officer, DirectorTax withholding(F)154K$11.86$1.8M
Dec 15, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)20K$11.86$234K
Dec 15, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerGrant(A)84K$0
Dec 15, 2025Levin EugeniePresidentTax withholding(F)39K$11.86$460K
Dec 15, 2025Levin EugeniePresidentGrant(A)253K$0
Dec 15, 2025Warden AndrewChief Marketing OfficerGrant(A)169K$0
Dec 15, 2025Warden AndrewChief Marketing OfficerSell(S)27K$11.86$317K
Dec 15, 2025Mulroy BrianChief Financial OfficerTax withholding(F)99K$11.86$1.2M
Dec 15, 2025Mulroy BrianChief Financial OfficerGrant(A)337K$0
Dec 15, 2025Melnikov DmitryDirector, 10% OwnerGift(G)315K$0
Dec 15, 2025Melnikov DmitryDirector, 10% OwnerGift(G)315K$0
Dec 8, 2025Warden AndrewChief Marketing OfficerOption exercise(M)85K$9.78$827K
Dec 8, 2025Warden AndrewChief Marketing OfficerSell(S)196K$11.84$2.3M
Dec 8, 2025Warden AndrewChief Marketing OfficerOption exercise(M)85K$0
Dec 1, 2025Mason David WChief Legal OfficerTax withholding(F)4K$11.83$42K
Dec 1, 2025Warden AndrewChief Marketing OfficerTax withholding(F)5K$11.83$62K
Dec 1, 2025Mulroy BrianChief Financial OfficerTax withholding(F)9K$11.83$106K
Dec 1, 2025Levin EugeniePresidentTax withholding(F)6K$11.83$74K
Dec 1, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)10K$11.83$123K
Nov 1, 2025Mason David WChief Legal OfficerTax withholding(F)3K$7.26$18K
Oct 28, 2025Pearce DylanDirectorGrant(A)18K$0
Oct 28, 2025Pearce DylanDirectorGrant(A)33K$0
Oct 10, 2025Mulroy BrianChief Financial OfficerTax withholding(F)4K$7.06$29K
Oct 1, 2025Warden AndrewChief Marketing OfficerTax withholding(F)4K$7.15$28K
Oct 1, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)9K$7.15$66K
Oct 1, 2025Melnikov DmitryDirector, 10% OwnerSell(S)1K$7.15$10K
Oct 1, 2025Levin EugeniePresidentTax withholding(F)4K$7.15$28K
Sep 1, 2025Mason David WChief Legal OfficerTax withholding(F)2K$7.90$20K
Sep 1, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)10K$7.90$82K
Sep 1, 2025Levin EugeniePresidentTax withholding(F)6K$7.90$49K
Sep 1, 2025Warden AndrewChief Marketing OfficerTax withholding(F)5K$7.90$41K
Sep 1, 2025Mulroy BrianChief Financial OfficerTax withholding(F)9K$7.90$71K
Aug 27, 2025Warden AndrewChief Marketing OfficerSell(S)7K$7.77$54K
Aug 1, 2025Mason David WChief Legal OfficerTax withholding(F)2K$8.49$15K
Jul 22, 2025Vranesh MarkDirectorSell(S)5K$10.00$50K
Jul 18, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerTax withholding(F)20K$8.91$175K
Jul 10, 2025Mulroy BrianChief Financial OfficerTax withholding(F)4K$8.97$37K
Jul 2, 2025Melnikov DmitryDirector, 10% OwnerSell(S)1K$8.84$12K
Jul 1, 2025Warden AndrewChief Marketing OfficerTax withholding(F)4K$9.05$35K
Jul 1, 2025Levin EugeniePresidentTax withholding(F)4K$9.05$35K
Jun 12, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerGift(G)43K$0
Jun 12, 2025Shchegolev OlegChief Technology Officer, Director, 10% OwnerGift(G)43K$0
Jun 9, 2025Blake Katryn ShinemanDirectorGrant(A)18K$0
Jun 9, 2025Baird AnnaDirectorGrant(A)18K$0
Jun 9, 2025Tsay Caroline JDirectorGrant(A)18K$0
Jun 9, 2025Aldrich StevenDirectorGrant(A)18K$0
Jun 9, 2025Vranesh MarkDirectorGrant(A)18K$0
Jun 9, 2025Melnikov DmitryDirector, 10% OwnerGrant(A)18K$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).