Form4insider filings, from the source

Insider · CIK 0001721344

Eileen Serra

Files at: IT. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 8, 2026 MForm 4 →Jun 10, 4:15 pm EDTGARTNER INCIT1,744——4,076—
Jun 1, 2026 MForm 4 →Jun 3, 4:15 pm EDTGARTNER INCIT705——2,332—
Jun 1, 2018 MForm 4 →Jun 4, 5:12 pm EDTGARTNER INCIT999——999— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 1, 2026 AForm 4 →Jul 6, 4:18 pm EDTGARTNER INCIT215$133.76$28,7583,362—
Jun 8, 2026 MForm 4 →Jun 10, 4:15 pm EDTGARTNER INCIT1,744——0—
Jun 1, 2026 MForm 4 →Jun 3, 4:15 pm EDTGARTNER INCIT705——0—
Jan 2, 2019 AForm 4 →Jan 4, 5:25 pm ESTGARTNER INCIT139——580—
Oct 1, 2018 AForm 4 →Oct 3, 5:22 pm EDTGARTNER INCIT111$158.27$17,568441—
Jul 2, 2018 AForm 4 →Jul 5, 4:59 pm EDTGARTNER INCIT120$133.33$16,000330—
Jun 1, 2018 MForm 4 →Jun 4, 5:12 pm EDTGARTNER INCIT999——0—
May 24, 2018 AForm 4 →May 29, 4:32 pm EDTGARTNER INCIT1,828——1,828—
Apr 2, 2018 AForm 4 →Apr 4, 8:19 pm EDTGARTNER INCIT129$116.06$14,972210—
Jan 2, 2018 AForm 4 →Jan 3, 5:02 pm ESTGARTNER INCIT81——81—