Insiders / Blumenstock Gerald M
Blumenstock Gerald M
CIK 1979418personinsider
Companies
1
First seen
Mar 3, 2026
Last activity
Jun 16, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Axcelis Technologies Inc · ACLS | 19,987 | — |
All securities held
1 position · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Axcelis Technologies Inc | Common Stock | 19,987 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 21, 2026 | Sell | ACLS Axcelis Technologies Inc Common Stock | $177.3K | -1K -5.36% | 20,493 0.07% of shares | medium |
| May 14, 2026 | Sell | ACLS Axcelis Technologies Inc Common Stock | $164.7K | -1K -5.54% | 17,293 0.06% of shares | medium |
| May 15, 2026 | Other | ACLS Axcelis Technologies Inc Common Stock | $115.5K | -744 -3.27% | 21,999 0.07% of shares | low |
| Mar 2, 2026 | Other | ACLS Axcelis Technologies Inc Common Stock | $97.1K | -1K -6.01% | 17,540 0.06% of shares | low |
| Jun 15, 2026 | Other | ACLS Axcelis Technologies Inc Common Stock | $96.9K | -506 -2.47% | 19,987 0.06% of shares | low |
| May 15, 2026 | Other | ACLS Axcelis Technologies Inc Common Stock | $53.5K | -345 -1.57% | 21,654 0.07% of shares | low |
| May 15, 2026 | Grant | ACLS Axcelis Technologies Inc Common Stock | $0 | +3K +13.61% | 22,743 0.07% of shares | low |
| May 15, 2026 | Grant | ACLS Axcelis Technologies Inc Common Stock | $0 | +3K +15.76% | 20,018 0.06% of shares | low |