PRK Insider Trading

PRK · full profile →Last filing Mar 31, 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
Mar 31, 2026Trautman David LChairman of the Board, DirectorGrant(A)2K
Mar 31, 2026Trautman David LChairman of the Board, DirectorOption exercise(M)2K
Mar 31, 2026Trautman David LChairman of the Board, DirectorTax withholding(F)761$163.45$124K
Mar 31, 2026Trautman David LChairman of the Board, DirectorOption exercise(M)2K
Mar 31, 2026Trautman David LChairman of the Board, DirectorTax withholding(F)986$163.45$161K
Mar 31, 2026Trautman David LChairman of the Board, DirectorGrant(A)2K
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorGrant(A)2K
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorOption exercise(M)1K
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorTax withholding(F)562$163.45$92K
Mar 31, 2026Burt Brady TChief Financial OfficerGrant(A)1K
Mar 31, 2026Burt Brady TChief Financial OfficerTax withholding(F)474$163.45$77K
Mar 31, 2026Burt Brady TChief Financial OfficerOption exercise(M)1K
Mar 31, 2026Burt Brady TChief Financial OfficerTax withholding(F)502$163.45$82K
Mar 31, 2026Burt Brady TChief Financial OfficerOption exercise(M)1K
Mar 31, 2026Burt Brady TChief Financial OfficerGrant(A)1K
Mar 31, 2026Herreman Kelly AChief Accounting OfficerGrant(A)263
Mar 31, 2026Herreman Kelly AChief Accounting OfficerTax withholding(F)99$163.45$16K
Mar 31, 2026Herreman Kelly AChief Accounting OfficerOption exercise(M)263
Mar 31, 2026Herreman Kelly AChief Accounting OfficerTax withholding(F)101$163.45$17K
Mar 31, 2026Herreman Kelly AChief Accounting OfficerOption exercise(M)263
Mar 31, 2026Herreman Kelly AChief Accounting OfficerGrant(A)263
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorGrant(A)2K
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorTax withholding(F)671$163.45$110K
Mar 31, 2026Miller Matthew RPresident & CEO, DirectorOption exercise(M)1K
Feb 1, 2026Agee JeffDirectorOther(J)8K
Feb 1, 2026Agee JeffDirectorOther(J)19K
Feb 1, 2026Agee JeffDirectorOther(J)833
Feb 1, 2026Agee JeffDirectorOther(J)413
Oct 27, 2025Alvarado Donna MDirectorGrant(A)345$0
Oct 27, 2025Delawder DanDirectorGrant(A)345$0
Oct 27, 2025Zazworsky LeonDirectorGrant(A)345$0
Oct 27, 2025Englefield F W IVDirectorGrant(A)345$0
Oct 27, 2025McLain Timothy S.DirectorGrant(A)345$0
Oct 27, 2025Oneill Robert EDirectorGrant(A)345$0
Oct 27, 2025Judd Jason NDirectorGrant(A)345$0
Oct 27, 2025Bertley Frederic MDirectorGrant(A)345$0
Oct 27, 2025Miller Daniel Byrd IIIDirectorGrant(A)345$0
Oct 27, 2025Morrison KarenDirectorGrant(A)345$0
Oct 27, 2025Gratz Kelly KDirectorGrant(A)345$0
Mar 31, 2025Miller Matthew RPresident, DirectorTax withholding(F)748$151.40$113K
Mar 31, 2025Miller Matthew RPresident, DirectorTax withholding(F)563$151.40$85K
Mar 31, 2025Miller Matthew RPresident, DirectorGrant(A)1K
Mar 31, 2025Miller Matthew RPresident, DirectorOption exercise(M)2K
Mar 31, 2025Miller Matthew RPresident, DirectorOption exercise(M)2K
Mar 31, 2025Miller Matthew RPresident, DirectorGrant(A)1K
Mar 31, 2025Herreman Kelly AChief Accounting OfficerOption exercise(M)338
Mar 31, 2025Herreman Kelly AChief Accounting OfficerTax withholding(F)99$151.40$15K
Mar 31, 2025Herreman Kelly AChief Accounting OfficerTax withholding(F)139$151.40$21K
Mar 31, 2025Herreman Kelly AChief Accounting OfficerGrant(A)263
Mar 31, 2025Herreman Kelly AChief Accounting OfficerGrant(A)263
Mar 31, 2025Herreman Kelly AChief Accounting OfficerOption exercise(M)338
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorGrant(A)2K
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorTax withholding(F)763$151.40$115K
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorOption exercise(M)2K
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorTax withholding(F)1K$151.40$152K
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorGrant(A)2K
Mar 31, 2025Trautman David LChairman of the Board & CEO, DirectorOption exercise(M)2K
Mar 31, 2025Burt Brady TChief Financial OfficerTax withholding(F)673$151.40$102K
Mar 31, 2025Burt Brady TChief Financial OfficerOption exercise(M)2K
Mar 31, 2025Burt Brady TChief Financial OfficerGrant(A)1K
Mar 31, 2025Burt Brady TChief Financial OfficerTax withholding(F)502$151.40$76K
Mar 31, 2025Burt Brady TChief Financial OfficerGrant(A)1K
Mar 31, 2025Burt Brady TChief Financial OfficerOption exercise(M)2K
Oct 28, 2024Alvarado Donna MDirectorGrant(A)241$0
Oct 28, 2024Ramser Mark RDirectorGrant(A)241$0
Oct 28, 2024Oneill Robert EDirectorGrant(A)241$0
Oct 28, 2024McLain Timothy S.DirectorGrant(A)241$0
Oct 28, 2024Gratz Kelly KDirectorGrant(A)241$0
Oct 28, 2024Delawder DanDirectorGrant(A)241$0
Oct 28, 2024Bertley Frederic MDirectorGrant(A)241$0
Oct 28, 2024Judd Jason NDirectorGrant(A)241$0
Oct 28, 2024Morrison KarenDirectorGrant(A)241$0
Oct 28, 2024Miller Daniel Byrd IIIDirectorGrant(A)241$0
Oct 28, 2024Kambeitz Stephen J.DirectorGrant(A)241$0
Oct 28, 2024Englefield F W IVDirectorGrant(A)241$0
Oct 28, 2024Zazworsky LeonDirectorGrant(A)241$0
Jul 29, 2024Ramser Mark RDirectorSell(S)546$180.66$99K
Jul 29, 2024Ramser Mark RDirectorSell(S)2K$180.00$360K
Jul 29, 2024Ramser Mark RDirectorSell(S)2K$180.00$360K
Jul 29, 2024Ramser Mark RDirectorSell(S)5K$180.00$900K
Jul 29, 2024Ramser Mark RDirectorSell(S)2K$180.03$360K
Jul 29, 2024Ramser Mark RDirectorSell(S)1K$180.00$180K
Jul 26, 2024Ramser Mark RDirectorSell(S)454$187.06$85K
Apr 11, 2024Miller Matthew RPresident, DirectorOther(J)2K
Apr 11, 2024Miller Matthew RPresident, DirectorOther(J)2K
Apr 11, 2024Burt Brady TChief Financial OfficerOther(J)2K
Apr 11, 2024Burt Brady TChief Financial OfficerOther(J)2K
Apr 11, 2024Delawder DanDirectorOther(J)649
Apr 11, 2024Delawder DanDirectorOther(J)649
Apr 11, 2024Trautman David LChairman of the Board & CEO, DirectorOther(J)2K
Apr 11, 2024Trautman David LChairman of the Board & CEO, DirectorOther(J)2K
Apr 11, 2024Herreman Kelly AChief Accounting OfficerOther(J)378
Apr 11, 2024Herreman Kelly AChief Accounting OfficerOther(J)378
Mar 31, 2024Miller Matthew RPresident, DirectorTax withholding(F)694$135.85$94K
Mar 31, 2024Miller Matthew RPresident, DirectorOption exercise(M)2K
Mar 31, 2024Miller Matthew RPresident, DirectorTax withholding(F)772$135.85$105K
Mar 31, 2024Miller Matthew RPresident, DirectorGrant(A)2K
Mar 31, 2024Miller Matthew RPresident, DirectorOption exercise(M)2K
Mar 31, 2024Miller Matthew RPresident, DirectorGrant(A)2K
Mar 31, 2024Burt Brady TChief Financial OfficerGrant(A)2K

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).