Whitehawk Therapeutics WHWK Insider Ownership

NASDAQ WHWK
$3.73 -0.03 (-0.80%)
At close: Sep 29, 2026 · 4:00 PM EDT

Insider Holdings by Owner

10.97Mn Shares

Insider Ownership Statistics

as of 30 Sep, 2026
Insider Ownership
17.55%
▼-0.0056% pp QoQ
Shares Held by Insiders
14.55Mn
filed for Sep 2026
▼-0.03% QoQ
Shares Outstanding
82.89Mn
82,886,196 shares
Direct Holdings
1.67Mn
Indirect: 12.88Mn
Net Shares Traded (QoQ)
-4.68K
net selling in Sep 2026
Insiders Holding Shares
10
with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding
Latest —
Average ownership —
Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold
Latest quarter —
Net over range —
Buying quarters —

Insider Ownership Summary

Quarter ending 30 Sep, 2026

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).

Form 4 Holdings

Insiders Holding WHWK

Insiders 10
Shares held 10.97Mn
Of outstanding 13.23%
# 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.

Form 4 Filings

324 Insider Transactions

Source SEC Form 4
Latest quarter Sep 2026
Download Data
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