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Home/Insiders/Buller Richard E

Buller Richard E

Director

Director
Total trades
21
Bought (open market)
$0
Sold (open market)
$2.4M
Tickers traded
1

12-month activity

Monthly buy vs sell totals from Buller Richard E's Form 4 filings.

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
November 2025$0$377K3
December 2025$0$425K6
January 2026$0$00
February 2026$0$00
March 2026$0$331K3
April 2026$0$00
May 2026$0$1.3M8
June 2026$0$02
July 2026$0$00
August 2026$0$00
September 2026$0$00
October 2026$0$00

Recent trades

Most recent Form 4 filings by Buller Richard E.

  • Buller Richard Egifted12,503 shares ofCELCat $0Jun 10 · filed Jun 12Details
  • Buller Richard Egranted1,530 shares ofCELCat $0Jun 5 · filed Jun 9Details
  • Buller Richard Egifted1,029 shares ofCELCat $0May 19 · filed May 20Details

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
Buller Richard E
sold
365 shares of
CELC
at $143.238
$52KMay 4 · filed May 6Details
  • Buller Richard Esold2,825 shares ofCELCat $142.036$401KMay 4 · filed May 6Details
  • Buller Richard Esold2,301 shares ofCELCat $141.027$325KMay 4 · filed May 6Details
  • Buller Richard Esold1,670 shares ofCELCat $139.583$233KMay 4 · filed May 6Details
  • Buller Richard Esold550 shares ofCELCat $138.996$76KMay 4 · filed May 6Details
  • Buller Richard Esold1,289 shares ofCELCat $137$177KMay 4 · filed May 6Details
  • Buller Richard Eexercised9,000 shares ofCELCat $5.1$46KMay 4 · filed May 6Details
  • Buller Richard Esold675 shares ofCELCat $110.827$75KMar 31 · filed Apr 2Details
  • Buller Richard Esold2,325 shares ofCELCat $110.106$256KMar 31 · filed Apr 2Details
  • Buller Richard Eexercised3,000 shares ofCELCat $5.1$15KMar 31 · filed Apr 2Details
  • Buller Richard Esold1,510 shares ofCELCat $106.035$160KDec 5, 2025 · filed Dec 9, 2025Details
  • Buller Richard Esold1,490 shares ofCELCat $105.34$157KDec 5, 2025 · filed Dec 9, 2025Details
  • Buller Richard Eexercised3,000 shares ofCELCat $5.5$17KDec 5, 2025 · filed Dec 9, 2025Details
  • Buller Richard Egifted500 shares ofCELCat $0Dec 2, 2025 · filed Dec 3, 2025Details
  • Buller Richard Esold1,100 shares ofCELCat $98.135$108KDec 1, 2025 · filed Dec 3, 2025Details
  • Buller Richard Eexercised1,100 shares ofCELCat $14.83$16KDec 1, 2025 · filed Dec 3, 2025Details
  • Buller Richard Esold3,900 shares ofCELCat $96.732$377KNov 20, 2025 · filed Nov 21, 2025Details
  • View all 21 trades →