Summe Gregory L: insider buys
Every open-market stock purchase reported by Summe Gregory L to the SEC on Form 4.
Total bought$2.06M
Purchases2
Companies1
Last purchase filedFeb 12, 2026
Return on these buys+55%
Summe Gregory L has made 2 open-market purchases worth $2.06M in 1 company since Oct 31, 2025, according to SEC Form 4 filings. The most recent was filed on Feb 12, 2026: 100,000 shares of AVTR at $9.40 (Director), worth $940K. The largest was $1.12M of AVTR on Oct 30, 2025. Taken together, these purchases are up 55% at the latest closing prices (split-adjusted, weighted by amount).
Companies Summe Gregory L bought
| Ticker | Company | Role | Buys | Total | Since buy | Last filed |
|---|---|---|---|---|---|---|
| AVTR | Avantor, Inc. | Director | 2 | $2.06M | +55% | Feb 12 |
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| Filed | Stock | Insider | Value | Shares | Price | Since buy | Stake | Trade | |
|---|---|---|---|---|---|---|---|---|---|
| Feb 12 | AVTRAvantor, Inc. | Summe Gregory LDirector | $940K | 100,000 | $9.40 | +71% | +33% | Feb 12 | SEC |
| Oct 31 | AVTRAvantor, Inc. | Summe Gregory LDirector | $1.12M | 100,000 | $11.25 | +43% | +50% | Oct 30 | SEC |