X0609 4 2026-04-28 0001036262 INTEST CORP INTT 0001589451 Rogoff Richard B. false C/O INTEST CORPORATION 804 EAST GATE DR, SUITE 200 MT. LAUREL NJ 08054 1 1 0 0 President and CEO 0 Common Stock 2026-04-28 4 F 0 220 16.9 D 11932 D Restricted Stock Units 0 Common Stock 3030 3030 D Stock Option (Right to Buy) 13.65 2036-03-31 Common Stock 300000 300000 D Stock Option (Right to Buy) 14.47 2036-03-15 Common Stock 3895 3895 D Stock Option (Right to Buy) 7.74 2035-03-17 Common Stock 13565 13565 D Stock Option (Right to Buy) 7.74 2035-03-17 Common Stock 1599 1599 D Stock Option (Right to Buy) 11.33 2034-03-05 Common Stock 9496 9496 D Stock Option (Right to Buy) 16.06 2033-03-07 Common Stock 6504 6504 D Stock Option (Right to Buy) 8.14 2032-04-27 Common Stock 13084 13084 D These shares were withheld to cover tax withholding obligations on the vesting of restricted stock on April 28, 2026. These restricted stock units, which convert into common stock on a one-for-one basis, will vest in equal installments on each of March 17, 2027, March 17, 2028 and March 17, 2029. This option will vest on the third anniversary of the grant date (the "Vesting Date") if the volume weighted average price of the company's common stock over the final 20 consecutive trading days preceding the Vesting Date exceeds specified prices. This option vests in four equal annual installments commencing on March 16, 2027. This option vests in four equal annual installments commencing on March 17, 2026. This option vests in four equal annual installments commencing on March 6, 2025. This option vests in four equal annual installments commencing on March 8, 2024. This option is fully vested as of the date of this report. /s/ Duncan Gilmour, Attorney-in-Fact for Richard B. Rogoff 2026-04-29