144 0001564616 XXXXXXXX LIVE 0002018064 TechTarget, Inc. 001-42428 275 Grove Street Newton MA 02466 (617)-431-9200 Charles D. Rennick Officer Common Stock E*TRADE Securities LLC

PO Box 484 Jersey City NJ 07303-0484

3465 21033 71489000 08/22/2025 Nasdaq Common Stock 08/13/2025 RSU Vest TechTarget, Inc. N 7865 08/13/2025 N/A Y These shares are being sold to cover withholding taxes due in connection with TechTarget, Inc.'s delivery to the reporting person of shares in settlement of restricted stock units, the vesting of which was previously reported on a Form 4 filed August 15, 2025. 08/22/2025 /s/ Charles D. Rennick