Blumberg Scott
Officer · CBLL
As of 2026-09-16, Blumberg Scott has 33 Form 4 transactions on record across 1 company — 28 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $1.3M
- Indirect $0
| CBLL | direct | 52,648 sh | $1.3M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-02 | CBLL | Sale | 652 @ $25.00 | $16K | −0.4% of holding | 146,600 | Form 4 |
| 2026-08-21 | CBLL | Sale | 1,521 @ $24.02 | $37K | −1.0% of holding | 146,600 | Form 4 |
| 2026-08-19 | CBLL | Sale | 33,512 @ $25.03 | $839K | −18.5% of holding | 148,121 | Form 4 |
| 2026-08-18 | CBLL | Sale | 990 @ $25.00 | $25K | −0.7% of holding | 148,121 | Form 4 |
| 2026-05-21 | CBLL | Sale | 1,387 @ $18.00 | $25K | −0.9% of holding | 147,683 | Form 4 |
| 2026-02-23 | CBLL | Sale | 808 @ $19.79 | $16K | −0.7% of holding | 118,334 | Form 4 |
| 2025-12-22 | CBLL | Sale | 19,719 @ $21.00 | $414K | −14.2% of holding | 118,842 | Form 4 |
| 2025-12-22 | CBLL | Sale | 11,529 @ $21.00 | $242K | −8.8% of holding | 118,842 | Form 4 |
| 2025-12-22 | CBLL | Sale | 4,752 @ $21.00 | $100K | −3.8% of holding | 118,842 | Form 4 |
24 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-02 | CBLL | Option exercise | 652 | 147,252 | Form 4 |
| 2026-09-02 | CBLL | Option exercise | 652 | 52,648 | Form 4 |
| 2026-08-19 | CBLL | Option exercise | 27,333 | 181,633 | Form 4 |
| 2026-08-19 | CBLL | Option exercise | 6,179 | 154,300 | Form 4 |
| 2026-08-19 | CBLL | Option exercise | 27,333 | 53,300 | Form 4 |
| 2026-08-19 | CBLL | Option exercise | 6,179 | 37,224 | Form 4 |
| 2026-08-18 | CBLL | Option exercise | 690 | 148,811 | Form 4 |
| 2026-08-18 | CBLL | Option exercise | 300 | 149,111 | Form 4 |
| 2026-08-18 | CBLL | Option exercise | 690 | 43,403 | Form 4 |
| 2026-08-18 | CBLL | Option exercise | 300 | 80,633 | Form 4 |
| 2026-04-01 | CBLL | Award / grant | 30,736 | 149,070 | Form 4 |
| 2026-04-01 | CBLL | Award / grant | 51,227 | 51,227 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 19,719 | 138,561 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 11,529 | 130,371 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 4,752 | 123,594 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 4,752 | 0 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 11,529 | 0 | Form 4 |
| 2025-12-22 | CBLL | Option exercise | 19,719 | 6,869 | Form 4 |
| 2025-11-20 | CBLL | Withheld for tax | 687 | 118,842 | Form 4 |
| 2025-08-25 | CBLL | Withheld for tax | 687 | 119,374 | Form 4 |
| 2025-04-01 | CBLL | Award / grant | 51,159 | 51,159 | Form 4 |
| 2025-04-01 | CBLL | Award / grant | 30,695 | 120,061 | Form 4 |
| 2024-12-23 | CBLL | Option exercise | 1,000 | 89,366 | Form 4 |
| 2024-12-23 | CBLL | Option exercise | 1,000 | 91,466 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.