Scott Blumberg
Insider
First SEC filing: Oct. 10, 2024 · Latest: Oct. 10, 2024
Insider at
Insider transactions
0 buys (P)
10 sells (S)
Net: $-1,734,495
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | CBLL | M 10b5-1 | 846 | $9.41 | $7,961 | 147,446 Direct | +0.58% | Acquired | 151.8% (price as of 2026-10-02) |
| Sept. 15, 2026 | CBLL | S 10b5-1 | 846 | $25.00 | $21,150 | 146,600 Direct | -0.57% | Disposed | -5.2% (price as of 2026-10-02) |
| Sept. 15, 2026 | CBLL | M 10b5-1 | 846 | · | · | 51,802 Direct | -1.61% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2026 | CBLL | M 10b5-1 | 652 | $9.41 | $6,135 | 147,252 Direct | +0.44% | Acquired | 151.8% (price as of 2026-10-02) |
| Sept. 2, 2026 | CBLL | S 10b5-1 | 652 | $25.00 | $16,300 | 146,600 Direct | -0.44% | Disposed | -5.2% (price as of 2026-10-02) |
| Sept. 2, 2026 | CBLL | M 10b5-1 | 652 | · | · | 52,648 Direct | -1.22% | Disposed | (price as of 2026-10-02) |
| Aug. 21, 2026 | CBLL | S | 1,521 | $24.02 | $36,534 | 146,600 Direct | -1.03% | Disposed | -1.4% (price as of 2026-10-02) |
| Aug. 19, 2026 | CBLL | M 10b5-1 | 6,179 | $4.70 | $29,041 | 154,300 Direct | +4.17% | Acquired | 404.0% (price as of 2026-10-02) |
| Aug. 19, 2026 | CBLL | M 10b5-1 | 27,333 | $9.41 | $257,204 | 181,633 Direct | +17.71% | Acquired | 151.8% (price as of 2026-10-02) |
| Aug. 19, 2026 | CBLL | S 10b5-1 | 33,512 | $25.03 | $838,805 | 148,121 Direct | -18.45% | Disposed | -5.4% (price as of 2026-10-02) |
| Aug. 19, 2026 | CBLL | M 10b5-1 | 6,179 | · | · | 37,224 Direct | -14.24% | Disposed | (price as of 2026-10-02) |
| Aug. 19, 2026 | CBLL | M 10b5-1 | 27,333 | · | · | 53,300 Direct | -33.90% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CBLL | M 10b5-1 | 690 | $4.70 | $3,243 | 148,811 Direct | +0.47% | Acquired | 404.0% (price as of 2026-10-02) |
| Aug. 18, 2026 | CBLL | M 10b5-1 | 300 | $9.41 | $2,823 | 149,111 Direct | +0.20% | Acquired | 151.8% (price as of 2026-10-02) |
| Aug. 18, 2026 | CBLL | S 10b5-1 | 990 | $25.00 | $24,750 | 148,121 Direct | -0.66% | Disposed | -5.2% (price as of 2026-10-02) |
| Aug. 18, 2026 | CBLL | M 10b5-1 | 690 | · | · | 43,403 Direct | -1.56% | Disposed | (price as of 2026-10-02) |
| Aug. 18, 2026 | CBLL | M 10b5-1 | 300 | · | · | 80,633 Direct | -0.37% | Disposed | (price as of 2026-10-02) |
| May 21, 2026 | CBLL | S | 1,387 | $18.00 | $24,966 | 147,683 Direct | -0.93% | Disposed | 31.6% (price as of 2026-10-02) |
| April 1, 2026 | CBLL | A | 51,227 | · | · | 51,227 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2026 | CBLL | A | 30,736 | · | · | 149,070 Direct | +25.97% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2026 | CBLL | S | 808 | $19.79 | $15,990 | 118,334 Direct | -0.68% | Disposed | 19.7% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 4,752 | · | · | 24,543 Direct | -16.22% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 11,529 | · | · | 10,198 Direct | -53.06% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 19,719 | · | · | 44,093 Direct | -30.90% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 19,719 | · | · | 6,869 Direct | -74.17% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 11,529 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 4,752 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | S 10b5-1 | 19,719 | $21.00 | $414,099 | 118,842 Direct | -14.23% | Disposed | 12.8% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 19,719 | $4.70 | $92,679 | 138,561 Direct | +16.59% | Acquired | 404.0% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | S 10b5-1 | 11,529 | $21.00 | $242,109 | 118,842 Direct | -8.84% | Disposed | 12.8% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 11,529 | $3.65 | $42,081 | 130,371 Direct | +9.70% | Acquired | 549.0% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | S 10b5-1 | 4,752 | $21.00 | $99,792 | 118,842 Direct | -3.84% | Disposed | 12.8% (price as of 2026-10-02) |
| Dec. 22, 2025 | CBLL | M 10b5-1 | 4,752 | $3.65 | $17,345 | 123,594 Direct | +4.00% | Acquired | 549.0% (price as of 2026-10-02) |
| Nov. 20, 2025 | CBLL | F | 687 | $13.64 | $9,371 | 118,842 Direct | -0.57% | Disposed | 73.7% (price as of 2026-10-02) |
| Aug. 25, 2025 | CBLL | F | 687 | $11.58 | $7,955 | 119,374 Direct | -0.57% | Disposed | 104.6% (price as of 2026-10-02) |
| April 1, 2025 | CBLL | A | 51,159 | · | · | 51,159 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2025 | CBLL | A | 30,695 | · | · | 120,061 Direct | +34.35% | Acquired | (price as of 2026-10-02) |
| Dec. 23, 2024 | CBLL | M | 1,000 | · | · | 91,466 Direct | -1.08% | Disposed | (price as of 2026-10-02) |
| Dec. 23, 2024 | CBLL | M | 1,000 | $2.26 | $2,260 | 89,366 Direct | +1.13% | Acquired | 948.2% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 15, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $9.41 | April 23, 2034 | 846 | Disposed |
| Sept. 2, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $9.41 | April 23, 2034 | 652 | Disposed |
| Aug. 19, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $4.70 | Feb. 16, 2033 | 6,179 | Disposed |
| Aug. 19, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $9.41 | April 23, 2034 | 27,333 | Disposed |
| Aug. 18, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $4.70 | Feb. 16, 2033 | 690 | Disposed |
| Aug. 18, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $9.41 | April 23, 2034 | 300 | Disposed |
| April 1, 2026 | CBLL | Stock Option (Right to Buy) | Common Stock | $18.50 | April 1, 2036 | 51,227 | Acquired |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $3.65 | June 10, 2031 | 4,752 | Disposed |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $3.65 | Dec. 2, 2031 | 11,529 | Disposed |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $4.70 | Feb. 16, 2033 | 19,719 | Disposed |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $4.70 | Feb. 16, 2033 | 19,719 | Disposed |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $3.65 | Dec. 2, 2031 | 11,529 | Disposed |
| Dec. 22, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $3.65 | June 10, 2031 | 4,752 | Disposed |
| April 1, 2025 | CBLL | Stock Option (Right to Buy) | Common Stock | $18.77 | April 1, 2035 | 51,159 | Acquired |
| Dec. 23, 2024 | CBLL | Stock Option (Right to Buy) | Common Stock | $2.26 | June 5, 2030 | 1,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 10, 2024 | CBLL | Common Stock | 88,366 | Direct |
| Oct. 10, 2024 | CBLL | Stock Option (Right to Buy) | 92,466 | Direct |
| Oct. 10, 2024 | CBLL | Stock Option (Right to Buy) | 29,295 | Direct |
| Oct. 10, 2024 | CBLL | Stock Option (Right to Buy) | 21,727 | Direct |
| Oct. 10, 2024 | CBLL | Stock Option (Right to Buy) | 63,812 | Direct |
| Oct. 10, 2024 | CBLL | Stock Option (Right to Buy) | 80,933 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $430,000 | · | $576,145 | $531,286 | $247,065 | · | · | $1,784,496 |
| 2024 | $348,875 | · | · | $492,410 | $170,741 | · | · | $1,012,026 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.