RUBRIK INC.

Ticker: RBRK CUSIP: 781154109 Class: Stock

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 192,223 Value ($000) $15,810 Avg Close $85.96 Range $72.68 - $99.75

Q2 2025

Shares 194,137 Value ($000) $17,393 Avg Close $79.05 Range $47.35 - $103.00

Q1 2025

Shares 113,796 Value ($000) $6,939 Avg Close $68.27 Range $51.09 - $80.00

Q4 2024

Shares 164,684 Value ($000) $10,764 Avg Close $49.40 Range $30.36 - $75.79

Q3 2024

Shares 164,700 Value ($000) $5,295 Avg Close $33.13 Range $28.60 - $38.50

Q2 2024

Shares 867,930 Value ($000) $26,611 Avg Close $32.88 Range $28.34 - $40.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	192,223	$15,810	$85.96	$72.68 - $99.75
Q2 2025	194,137	$17,393	$79.05	$47.35 - $103.00
Q1 2025	113,796	$6,939	$68.27	$51.09 - $80.00
Q4 2024	164,684	$10,764	$49.40	$30.36 - $75.79
Q3 2024	164,700	$5,295	$33.13	$28.60 - $38.50
Q2 2024	867,930	$26,611	$32.88	$28.34 - $40.00