WHWK's three largest insider shareholders as of September 29, 2026 are Behzad Aghazadeh (Director, 3.47Mn shares), Anupam Dalal (Director, 3.41Mn shares), Caley Castelein (Director, 2.17Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Behzad Aghazadeh | Director, TenPercentOwner, Other | 0 | 3,471,752 | 3,471,752 | 31.7% | 26 Sep, 2022 |
| 2 | Anupam Dalal | Director | 0 | 3,410,402 | 3,410,402 | 31.1% | 04 Mar, 2025 |
| 3 | Baiteng Zhao | Director | 0 | 1,250,000 | 1,250,000 | 11.4% | 04 Mar, 2025 |
| 4 | Neil Desai | Executive Chairman | 0 | 1,171,543 | 1,171,543 | 10.7% | 05 Sep, 2024 |
| 5 | David James Lennon | Chief Executive Officer | 569,643 | 0 | 569,643 | 5.2% | 18 May, 2026 |
| 6 | Bryan Ball | Officer | 448,126 | 0 | 448,126 | 4.1% | 18 May, 2026 |
| 7 | Scott M. Giacobello | Chief Financial Officer | 333,489 | 0 | 333,489 | 3.0% | 18 May, 2026 |
| 8 | Caley Castelein | Director | 274,796 | 0 | 274,796 | 2.5% | 18 May, 2026 |
| 9 | Brendan Delaney | Chief Operating Officer | 20,000 | 0 | 20,000 | 0.2% | 27 Sep, 2022 |
| 10 | Margaret Dugan | Chief Medical Officer | 19,132 | 0 | 19,132 | 0.2% | 18 May, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 15 Sep, 2026 | David James Lennon | Chief Executive Officer | Acquired A | 193,957 | $0.00 | $0 | 193,957 | Direct |
| 15 Sep, 2026 | David Dornan | Chief Scientific Officer | Acquired A | 85,887 | $0.00 | $0 | 85,887 | Direct |
| 15 Sep, 2026 | Bryan Ball | Officer | Acquired A | 91,633 | $0.00 | $0 | 91,633 | Direct |
| 15 Sep, 2026 | Margaret Dugan | Chief Medical Officer | Acquired A | 81,250 | $0.00 | $0 | 81,250 | Direct |
| 15 Sep, 2026 | Scott M. Giacobello | Chief Financial Officer | Acquired A | 118,476 | $0.00 | $0 | 118,476 | Direct |
| 15 Sep, 2026 | David James Lennon | Chief Executive Officer | Acquired A | 193,957 | $0.00 | $0 | 193,957 | Direct |
| 15 Sep, 2026 | David Dornan | Chief Scientific Officer | Acquired A | 85,887 | $0.00 | $0 | 85,887 | Direct |
| 15 Sep, 2026 | Bryan Ball | Officer | Acquired A | 91,633 | $0.00 | $0 | 91,633 | Direct |
| 15 Sep, 2026 | Margaret Dugan | Chief Medical Officer | Acquired A | 81,250 | $0.00 | $0 | 81,250 | Direct |
| 15 Sep, 2026 | Scott M. Giacobello | Chief Financial Officer | Acquired A | 118,476 | $0.00 | $0 | 118,476 | Direct |
| 09 Sep, 2026 | Vijay K Iyengar | Director | Acquired A | 76,080 | $0.00 | $0 | 76,080 | Direct |
| 12 Jun, 2026 | Emma Reeve | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Neil Desai | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Mohammad Hirmand | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Caley Castelein | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Behzad Aghazadeh | Director, TenPercentOwner, Other | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Baiteng Zhao | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 12 Jun, 2026 | Richard E Maroun | Director | Acquired A | 38,040 | $0.00 | $0 | 38,040 | Direct |
| 14 May, 2026 | David James Lennon | Chief Executive Officer | Acquired A | 51,021 | $3.92 | $200.00K | 569,643 | Direct |
| 14 May, 2026 | Caley Castelein | Director | Acquired A | 255,102 | $3.92 | $1,000.00K | 274,796 | Direct |