Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Tatnall Christopher
Over the trailing 90 days, Tatnall Christopher (Other at AXCELIS TECHNOLOGIES INC) sold $370K of stock in ACLS, per 6 SEC Form 4 transactions.
- Role
- Other
- Companies
- ACLS
- Window
- Trailing 90 days · 6 transactions · CIK 1990732
- Net activity
- −$370K ($0 bought · $370K sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| ACLS | AXCELIS TECHNOLOGIES INC | 6 | — | $370K | −$370K |
Transactions (6)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-05-20 | ACLS | Sell | 1.2K | $175K | Open market or private sale |
| 2026-05-15 | ACLS | Buy | 3.5K | $0 | Grant, award or other acquisition |
| 2026-05-15 | ACLS | Buy | 3.5K | $0 | Grant, award or other acquisition |
| 2026-05-15 | ACLS | Sell | 744 | $115K | Payment of exercise price or tax liability by delivering securities |
| 2026-05-15 | ACLS | Sell | 345 | $54K | Payment of exercise price or tax liability by delivering securities |
| 2026-05-15 | ACLS | Sell | 170 | $26K | Payment of exercise price or tax liability by delivering securities |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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