Blumenstock Gerald M
- SEC CIK
- 0001979418
In the past year, 3 open-market sale filings worth $613.5K and no purchases.
Current role at each company
- ACLS Axcelis Technologies IncEVP, Research, Dev. & Eng.as of Jun 16, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $613.5K
- 3 filings
- Net
- −$613.5K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Blumenstock Gerald M as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 22, 2026 (view filing) | May 21 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −1.16K | $152.70 | −$177.3K | −5.4%20.5K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −1.01K | $162.32 | −$164.8K | −5.5%17.3K after | |
| Dec 12, 2025 (view filing) | Dec 11 | 1 day | Blumenstock Gerald MEVP, Research, Dev. & Eng. | SSale | −3.03K | $89.46 | −$271.4K | −14.0%18.7K after |