Gerald M Blumenstock
CIK 1979418 · EVP, Research, Dev. & Eng. · last filed 2026-05-22
Gerald M Blumenstock is an EVP, Research, Dev. & Eng. who has filed 11 SEC Form 4 insider transactions across 1 company since 2023. The most recent filing shows the insider sold $177.3K of ACLS on May 22, 2026. Across all open-market trades the lifetime net is −$613.5K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.3M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$3.27M
1
11
-$613.5K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| ACLS | EVP, Research, Dev. & Eng. | 20,493 | $159.64 | $3.27M | -$613.5K | 11 | 2026-05-22 |
Recent Filings
11 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-22 | ACLS | Sell (S) | −1,161 | -$177.3K | EDGAR |
| 2026-05-19 | ACLS | Mixed | +4,361 | -$169.0K | EDGAR |
| 2026-05-15 | ACLS | Sell (S) | −1,015 | -$164.7K | EDGAR |
| 2026-03-03 | ACLS | Tax (F) | −1,121 | -$97.1K | EDGAR |
| 2025-12-12 | ACLS | Sell (S) | −3,034 | -$271.4K | EDGAR |
| 2025-06-17 | ACLS | Tax (F) | −506 | -$34.9K | EDGAR |
| 2025-05-19 | ACLS | Mixed | +11,951 | -$21.6K | EDGAR |
| 2025-03-04 | ACLS | Tax (F) | −748 | -$41.0K | EDGAR |
| 2024-06-18 | ACLS | Tax (F) | −308 | -$42.5K | EDGAR |
| 2024-05-15 | ACLS | Grant (A) | +5,698 | $0 | EDGAR |