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S
Summe Gregory L
Open-market buys
2
$2.1M total
Open-market sells
0
$0 total
Tracking since
Oct 2025
Activity timeline
Open-market buy — $940K
Avantor, Inc. · Feb 12, 2026
Open-market buy — $1.1M
Avantor, Inc. · Oct 30, 2025
Open-market trades from the last two years.
Holdings as last reported
400,000 Common Stock in AVTR
Held indirectly (By a Trust) · as of 2026-05-07
83,381 Common Stock in AVTR
Held directly · as of 2026-05-07
Companies touched
NXP Semiconductors N.V.
CIK 0001413447
GRAIL, Inc.
CIK 0001699031
