| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Buller Richard E | Director | 16305 36TH AVE N, SUITE 100, MINNEAPOLIS | /s/ Griffin D. Foster as Attorney-in-Fact for Richard E. Buller pursuant to Power of Attorney previously filed | 21 Nov 2025 | 0001688319 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CELC | Common Stock | Gift | $0 | -500 | -6.44% | $0.00 | 7.26K | 19 Nov 2025 | By Trust | F1 |
| transaction | CELC | Common Stock | Options Exercise | $57.8K | +3.9K | +53.72% | $14.83 | 11.2K | 20 Nov 2025 | By Trust | F1 |
| transaction | CELC | Common Stock | Sale | -$377K | -3.9K | -34.95% | $96.73 | 7.26K | 20 Nov 2025 | By Trust | F1, F2 |
| holding | CELC | Common Stock | 1.03K | 19 Nov 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CELC | Stock Option (right to buy) | Options Exercise | $0 | -3.9K | -59.8% | $0.00 | 2.62K | 20 Nov 2025 | Common Stock | 3.9K | $14.83 | By Trust | F1, F3 |
| Id | Content |
|---|---|
| F1 | The Reporting Person and his spouse are the trustees and beneficiaries. The Reporting Person continues to beneficially own these securities held by the trust. |
| F2 | The price reported in Column 4 is a weighted average price. These shares of common stock of the issuer were traded in multiple transactions at prices ranging from $96.465 to $96.920, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote. |
| F3 | 100% vested. |