PRKR Insider Trading

PRKR · full profile →Last filing Jan 22, 2026
Mixed · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$0
0 insiders
Net Insider Flow
$0
open market, 180d
Reporting Insiders
0
0 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
Jan 22, 2026Sterne Robert GreeneDirectorGrant(A)370K$0.24$89K
Jan 22, 2026Titterton Lewis H jrDirectorGrant(A)370K$0.24$89K
Jan 22, 2026Rosenbaum Paul ADirectorGrant(A)370K$0.24$89K
Jan 22, 2026French Cynthia LChief Financial OfficerGrant(A)500K$0.24$120K
Jan 22, 2026French Cynthia LChief Financial OfficerGrant(A)500K$0.24$120K
Jan 22, 2026Parker JeffreyChief Executive Officer, DirectorGrant(A)8.0M$0.24$1.9M
Nov 18, 2025Titterton Lewis H jrDirectorBuy(P)4.8M$0.21$1.0M
Oct 7, 2025Titterton Lewis H jrDirectorOption exercise(M)275K$0.20$55K
Oct 7, 2025Titterton Lewis H jrDirectorOption exercise(M)525K$0.18$95K
Oct 7, 2025Titterton Lewis H jrDirectorOption exercise(M)525K$0.18$95K
Oct 7, 2025Titterton Lewis H jrDirectorOption exercise(M)275K$0.20$55K
Jul 3, 2025Sterne Robert GreeneDirectorGrant(A)300K$0.29$87K
Jul 3, 2025Titterton Lewis H jrDirectorGrant(A)275K
Jul 3, 2025Rosenbaum Paul ADirectorGrant(A)275K
May 8, 2025Poehlman CynthiaChief Financial OfficerGift(G)25K$0
May 6, 2025Titterton Lewis H jrDirectorConversion(C)1.7M$0.13$221K
May 6, 2025Titterton Lewis H jrDirectorConversion(C)1.7M$0.13$221K
Apr 15, 2025Parker JeffreyChief Executive Officer, DirectorOther(J)0
Apr 15, 2025Poehlman CynthiaChief Financial OfficerOther(J)0
Jan 6, 2025Titterton Lewis H jrDirectorGift(G)2.0M$0
Oct 29, 2024Rosenbaum Paul ADirectorConversion(C)817K$0.13$106K
Oct 29, 2024Rosenbaum Paul ADirectorConversion(C)435K$0.25$109K
Oct 29, 2024Rosenbaum Paul ADirectorGrant(A)12K$0.17$2K
Oct 29, 2024Rosenbaum Paul ADirectorConversion(C)435K$0.25$109K
Oct 29, 2024Rosenbaum Paul ADirectorConversion(C)817K$0.13$106K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)515K$0.10$51K
Sep 24, 2024Titterton Lewis H jrDirectorGrant(A)29K$0.17$5K
Sep 24, 2024Titterton Lewis H jrDirectorGrant(A)9K$0.18$2K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)257K$0.10$26K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)406K$0.13$53K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)406K$0.13$53K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)515K$0.10$51K
Sep 24, 2024Titterton Lewis H jrDirectorConversion(C)257K$0.10$26K
Feb 1, 2024Sterne Robert GreeneDirectorGrant(A)275K$0.20$55K
Feb 1, 2024Titterton Lewis H jrDirectorGrant(A)275K$0.20$55K
Feb 1, 2024Rosenbaum Paul ADirectorGrant(A)275K$0.20$55K
Feb 1, 2024Litvack Sanford MDirectorGrant(A)275K$0.20$55K
Nov 18, 2023Titterton Lewis H jrDirectorGrant(A)600K$0.18$108K
Sep 15, 2023Rosenbaum Paul ADirectorBuy(P)0$100,000.00$0
Feb 24, 2023Newman Frank NInsiderOption exercise(M)1K$0.17$170
Feb 24, 2023Newman Frank NInsiderOption exercise(M)1K$0.17$170
Jan 17, 2023Litvack Sanford MDirectorOther(J)2K$0.30$500
Jan 16, 2023Sterne Robert GreeneDirectorGrant(A)250K$0.30$75K
Jan 16, 2023Newman Frank NDirectorGrant(A)300K$0.30$90K
Jan 16, 2023Rosenbaum Paul ADirectorGrant(A)300K$0.30$90K
Jan 16, 2023Parker JeffreyChief Executive Officer, DirectorOption exercise(M)200K
Jan 16, 2023Parker JeffreyChief Executive Officer, DirectorOption exercise(M)200K
Jan 16, 2023Parker JeffreyChief Executive Officer, DirectorGrant(A)200K
Jan 16, 2023Litvack Sanford MDirectorGrant(A)300K$0.30$90K
Jan 13, 2023Litvack Sanford MDirectorGrant(A)63K$0.16$10K
Jul 7, 2022Rosenbaum Paul ADirectorGrant(A)300K$0.18$54K
Jul 7, 2022Newman Frank NDirectorGrant(A)300K$0.18$54K
Jul 7, 2022Sterne Robert GreeneDirectorGrant(A)250K$0.18$45K
Jul 7, 2022Poehlman CynthiaCFOGrant(A)166K
May 10, 2022Rosenbaum Paul ADirectorGrant(A)100K$100,000.00$10.0B
Jan 19, 2022Poehlman CynthiaCFOConversion(C)7K$0.17$1K
Jan 19, 2022Poehlman CynthiaCFOOption exercise(M)7K$0.17$1K
Jan 19, 2022Poehlman CynthiaCFOSell(S)7K$1.18$8K
Jan 11, 2022Parker JeffreyChief Executive Officer, DirectorConversion(C)10K$0.17$2K
Jan 11, 2022Parker JeffreyChief Executive Officer, DirectorOption exercise(M)10K$0.17$2K
Jan 4, 2022Parker JeffreyChief Executive Officer, DirectorConversion(C)10K$0.17$2K
Jan 4, 2022Parker JeffreyChief Executive Officer, DirectorOption exercise(M)10K$0.17$2K
Dec 30, 2021Parker JeffreyChief Executive Officer, DirectorConversion(C)10K$0.17$2K
Dec 30, 2021Parker JeffreyChief Executive Officer, DirectorOption exercise(M)10K$0.17$2K
Dec 29, 2021Parker JeffreyChief Executive Officer, DirectorConversion(C)10K$0.17$2K
Dec 29, 2021Parker JeffreyChief Executive Officer, DirectorOption exercise(M)10K$0.17$2K
Dec 29, 2021Rosenbaum Paul ADirectorSell(S)89K$0.73$65K
Dec 27, 2021Rosenbaum Paul ADirectorSell(S)20K$0.76$15K
Dec 27, 2021Newman Frank NDirectorSell(S)5K$0.81$4K
Dec 21, 2021Newman Frank NDirectorSell(S)5K$0.89$4K
Dec 20, 2021Newman Frank NDirectorSell(S)5K$0.90$5K
Nov 15, 2021Poehlman CynthiaCFOConversion(C)150$0.17$26
Nov 15, 2021Poehlman CynthiaCFOSell(S)150$1.19$179
Nov 15, 2021Poehlman CynthiaCFOOption exercise(M)150$0.17$26
Nov 8, 2021Poehlman CynthiaCFOConversion(C)10K$0.17$2K
Nov 8, 2021Poehlman CynthiaCFOSell(S)10K$1.20$12K
Nov 8, 2021Poehlman CynthiaCFOOption exercise(M)10K$0.17$2K
Oct 26, 2021Poehlman CynthiaCFOConversion(C)3K$0.17$452
Oct 26, 2021Poehlman CynthiaCFOSell(S)3K$1.18$3K
Oct 26, 2021Poehlman CynthiaCFOOption exercise(M)3K$0.17$452
Oct 25, 2021Poehlman CynthiaCFOConversion(C)7K$0.17$1K
Oct 25, 2021Poehlman CynthiaCFOOption exercise(M)7K$0.17$1K
Oct 25, 2021Poehlman CynthiaCFOSell(S)2K$1.18$3K
Oct 25, 2021Poehlman CynthiaCFOSell(S)5K$1.19$6K
Oct 15, 2021Poehlman CynthiaCFOConversion(C)846$0.17$144
Oct 15, 2021Poehlman CynthiaCFOOption exercise(M)846$0.17$144
Oct 15, 2021Poehlman CynthiaCFOSell(S)846$1.21$1K
Oct 14, 2021Poehlman CynthiaCFOConversion(C)3K$0.17$536
Oct 14, 2021Poehlman CynthiaCFOSell(S)3K$1.21$4K
Oct 14, 2021Poehlman CynthiaCFOOption exercise(M)3K$0.17$536
Oct 13, 2021Poehlman CynthiaCFOConversion(C)3K$0.17$591
Oct 13, 2021Poehlman CynthiaCFOSell(S)3K$1.21$4K
Oct 13, 2021Poehlman CynthiaCFOOption exercise(M)3K$0.17$591
Oct 12, 2021Poehlman CynthiaCFOConversion(C)3K$0.17$429
Oct 12, 2021Poehlman CynthiaCFOSell(S)3K$1.21$3K
Oct 12, 2021Poehlman CynthiaCFOOption exercise(M)3K$0.17$429
Oct 7, 2021Poehlman CynthiaCFOSell(S)3K$1.23$4K
Oct 5, 2021Poehlman CynthiaCFOConversion(C)10K$0.17$2K
Oct 5, 2021Poehlman CynthiaCFOOption exercise(M)10K$0.17$2K
Oct 5, 2021Poehlman CynthiaCFOSell(S)7K$1.20$8K

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).