| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Klindt Jill | EVP, CFO & Treasurer | 2900 UNIVERSITY BOULEVARD, AMES | /s/ Brandon E. Ziegler as attorney-in-fact for Jill E. Klindt | 27 May 2025 | 0001626102 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WK | Class A Common Stock | Sale | $521,568 | -7,773 | -6.7% | $67.10 | 107,581 | 23 May 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | WK | Employee Stock Option to Purchase Class A Common Stock | 25,000 | 23 May 2025 | Class A Common Stock | 25,000 | $18.60 | Direct | F2, F3 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted-average price. The prices actually received ranges from $66.77 to $67.37. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person undertakes to provide upon request by the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range. |
| F2 | Granted pursuant to the 2014 Equity Incentive Plan. |
| F3 | Vests as to 25% of the shares on the first anniversary of the grant date and then 6.25% of the shares at the end of each three-month period thereafter. |