WHWK

Whitehawk Therapeutics, Inc.

Insider trading activity for Whitehawk Therapeutics, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$2.6M

net selling

Bought(0 · 0 insiders): $0
Sold(11 · 3 insiders): $2.6M

Past 12 months

-$2.6M

net selling

Bought(0 · 0 insiders): $0
Sold(14 · 3 insiders): $2.6M

Transaction history

The 68 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Sep 15	Ball Bryan	See remarks	AGRANT◆↺	91,633	—	—	—	Open the original filing on SEC.gov
Sep 15	Ball Bryan	See remarks	AGRANT◆↺	91,633	—	—	—	Open the original filing on SEC.gov
Sep 15	Giacobello Scott M.	Chief Financial Officer	AGRANT◆↺	118,476	—	—	—	Open the original filing on SEC.gov
Sep 15	Giacobello Scott M.	Chief Financial Officer	AGRANT◆↺	118,476	—	—	—	Open the original filing on SEC.gov
Sep 15	Dornan David	Chief Scientific Officer	AGRANT◆↺	85,887	—	—	—	Open the original filing on SEC.gov
Sep 15	Dornan David	Chief Scientific Officer	AGRANT◆↺	85,887	—	—	—	Open the original filing on SEC.gov
Sep 15	Dugan Margaret	Chief Medical Officer	AGRANT◆↺	81,250	—	—	—	Open the original filing on SEC.gov
Sep 15	Dugan Margaret	Chief Medical Officer	AGRANT◆↺	81,250	—	—	—	Open the original filing on SEC.gov
Sep 15	Lennon David James	Chief Executive Officer	AGRANT◆↺	193,957	—	—	—	Open the original filing on SEC.gov
Sep 15	Lennon David James	Chief Executive Officer	AGRANT◆↺	193,957	—	—	—	Open the original filing on SEC.gov
Sep 9	Iyengar Vijay K	Director	AGRANT◆	76,080	—	—	—	Open the original filing on SEC.gov
Jun 12	Zhao Baiteng	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Reeve Emma	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Maroun Richard E	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Hirmand Mohammad	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Desai Neil	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Castelein Caley	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Aghazadeh Behzad	Director, 10% Owner	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
Jun 12	Dalal Anupam	Director	AGRANT◆	38,040	—	—	—	Open the original filing on SEC.gov
May 14	Lennon David James	Chief Executive Officer	AGRANT	51,021	$3.92	$200K	+9.8%	Open the original filing on SEC.gov
May 14	Giacobello Scott M.	Chief Financial Officer	AGRANT	38,265	$3.92	$150K	+13.0%	Open the original filing on SEC.gov
May 14	Dugan Margaret	Chief Medical Officer	AGRANT	19,132	$3.92	$75K	—	Open the original filing on SEC.gov
May 14	Castelein Caley	Director	AGRANT◆⚠	2.1M	$8,124,996.24	$16.8T	—	Open the original filing on SEC.gov
May 14	Castelein Caley	Director	AGRANT	255,102	$3.92	$1M	+1,295%	Open the original filing on SEC.gov
May 14	Ball Bryan	See remarks	AGRANT	51,020	$3.92	$200K	+12.8%	Open the original filing on SEC.gov
May 14	Dalal Anupam	Director	AGRANT	1.3M	$3.92	$5M	+37.4%	Open the original filing on SEC.gov
May 12	Avoro Capital Advisors…	Director, 10% Owner	AGRANT◆	6.4M	$3.92	$25M	—	Open the original filing on SEC.gov
Apr 16	Giacobello Scott M.	Chief Financial Officer	SSELL	141,600	$4.13	$584.8K	-32.4%	Open the original filing on SEC.gov
Apr 15	Giacobello Scott M.	Chief Financial Officer	SSELL	77,000	$3.86	$297.2K	-15.0%	Open the original filing on SEC.gov
Apr 14	Ball Bryan	See remarks	SSELL	92,460	$3.64	$336.6K	-18.9%	Open the original filing on SEC.gov
Apr 13	Ball Bryan	See remarks	SSELL	26,389	$3.46	$91.3K	-5.1%	Open the original filing on SEC.gov
Apr 10	Ball Bryan	See remarks	SSELL	6,596	$3.43	$22.6K	-1.3%	Open the original filing on SEC.gov
Apr 9	Lennon David James	Chief Executive Officer	SSELL	14,500	$3.38	$49K	-2.7%	Open the original filing on SEC.gov
Apr 9	Ball Bryan	See remarks	SSELL	50,000	$3.57	$178.5K	-8.7%	Open the original filing on SEC.gov
Apr 8	Lennon David James	Chief Executive Officer	SSELL	63,945	$3.40	$217.4K	-10.7%	Open the original filing on SEC.gov
Apr 7	Lennon David James	Chief Executive Officer	SSELL	94,087	$3.43	$322.7K	-13.6%	Open the original filing on SEC.gov
Apr 6	Lennon David James	Chief Executive Officer	SSELL	102,395	$3.51	$359.4K	-12.9%	Open the original filing on SEC.gov
Apr 2	Lennon David James	Chief Executive Officer	SSELL	26,858	$3.48	$93.5K	-3.3%	Open the original filing on SEC.gov
Apr 1	Lennon David James	Chief Executive Officer	AGRANT◆	831,148	—	—	—	Open the original filing on SEC.gov
Apr 1	Lennon David James	Chief Executive Officer	MEXER◆	775,828	—	—	—	Open the original filing on SEC.gov
Apr 1	Lennon David James	Chief Executive Officer	MEXER	775,828	—	—	+1,740%	Open the original filing on SEC.gov
Apr 1	Giacobello Scott M.	Chief Financial Officer	AGRANT◆	300,677	—	—	—	Open the original filing on SEC.gov
Apr 1	Giacobello Scott M.	Chief Financial Officer	MEXER◆	473,902	—	—	—	Open the original filing on SEC.gov
Apr 1	Giacobello Scott M.	Chief Financial Officer	MEXER	473,902	—	—	+1,686%	Open the original filing on SEC.gov
Apr 1	Dugan Margaret	Chief Medical Officer	AGRANT◆	283,157	—	—	—	Open the original filing on SEC.gov
Apr 1	Dornan David	Chief Scientific Officer	AGRANT◆	282,340	—	—	—	Open the original filing on SEC.gov
Apr 1	Ball Bryan	See remarks	AGRANT◆	250,058	—	—	—	Open the original filing on SEC.gov
Apr 1	Ball Bryan	See remarks	MEXER◆	366,532	—	—	—	Open the original filing on SEC.gov
Apr 1	Ball Bryan	See remarks	MEXER	366,532	—	—	+177.9%	Open the original filing on SEC.gov
Mar 2	Lennon David James	Chief Executive Officer	SSELL	5,100	$3.31	$16.9K	-10.3%	Open the original filing on SEC.gov
Mar 2	Giacobello Scott M.	Chief Financial Officer	SSELL	2,594	$3.31	$8.6K	-8.5%	Open the original filing on SEC.gov
Mar 2	Ball Bryan	See remarks	SSELL	1,834	$3.31	$6.1K	-0.9%	Open the original filing on SEC.gov
Mar 1	Lennon David James	Chief Executive Officer	MEXER◆	16,250	—	—	—	Open the original filing on SEC.gov
Mar 1	Lennon David James	Chief Executive Officer	MEXER	16,250	—	—	+48.6%	Open the original filing on SEC.gov
Mar 1	Giacobello Scott M.	Chief Financial Officer	MEXER◆	6,750	—	—	—	Open the original filing on SEC.gov
Mar 1	Giacobello Scott M.	Chief Financial Officer	MEXER	6,750	—	—	+28.2%	Open the original filing on SEC.gov
Mar 1	Ball Bryan	See remarks	MEXER◆	5,000	—	—	—	Open the original filing on SEC.gov
Mar 1	Ball Bryan	See remarks	MEXER	5,000	—	—	+2.5%	Open the original filing on SEC.gov
Dec 1, 2025	Dugan Margaret	Chief Medical Officer	AGRANT◆	55,309	—	—	—	Open the original filing on SEC.gov
Dec 1, 2025	Dugan Margaret	Chief Medical Officer	AGRANT◆	650,000	—	—	—	Open the original filing on SEC.gov
Jun 17, 2025	Zhao Baiteng	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Reeve Emma	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Maroun Richard E	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Hirmand Mohammad	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Dalal Anupam	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Castelein Caley	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Aghazadeh Behzad	Director, 10% Owner	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov
Jun 12, 2025	Desai Neil	Director	AGRANT◆	40,006	—	—	—	Open the original filing on SEC.gov

AGRANT◆↺—

Ball Bryan · See remarksSep 15

91,633 sh

AGRANT◆↺—

Ball Bryan · See remarksSep 15

91,633 sh

AGRANT◆↺—

Giacobello Scott M. · Chief Financial…Sep 15

118,476 sh

AGRANT◆↺—

Giacobello Scott M. · Chief Financial…Sep 15

118,476 sh

AGRANT◆↺—

Dornan David · Chief Scientific…Sep 15

85,887 sh

AGRANT◆↺—

Dornan David · Chief Scientific…Sep 15

85,887 sh

AGRANT◆↺—

Dugan Margaret · Chief Medical…Sep 15

81,250 sh

AGRANT◆↺—

Dugan Margaret · Chief Medical…Sep 15

81,250 sh

AGRANT◆↺—

Lennon David James · Chief Executive…Sep 15

193,957 sh

AGRANT◆↺—

Lennon David James · Chief Executive…Sep 15

193,957 sh

AGRANT◆—

Iyengar Vijay K · DirectorSep 9

76,080 sh

AGRANT◆—

Zhao Baiteng · DirectorJun 12

38,040 sh

AGRANT◆—

Reeve Emma · DirectorJun 12

38,040 sh

AGRANT◆—

Maroun Richard E · DirectorJun 12

38,040 sh

AGRANT◆—

Hirmand Mohammad · DirectorJun 12

38,040 sh

AGRANT◆—

Desai Neil · DirectorJun 12

38,040 sh

AGRANT◆—

Castelein Caley · DirectorJun 12

38,040 sh

AGRANT◆—

Aghazadeh Behzad · Director, 10%…Jun 12

38,040 sh

AGRANT◆—

Dalal Anupam · DirectorJun 12

38,040 sh

AGRANT$200K

Lennon David James · Chief Executive…May 14

51,021 sh @ $3.92 · +9.8% own

AGRANT$150K

Giacobello Scott M. · Chief Financial…May 14

38,265 sh @ $3.92 · +13.0% own

AGRANT$75K

Dugan Margaret · Chief Medical…May 14

19,132 sh @ $3.92

AGRANT◆⚠$16.8T

Castelein Caley · DirectorMay 14

2.1M sh @ $8,124,996.24

AGRANT$1M

Castelein Caley · DirectorMay 14

255,102 sh @ $3.92 · +1,295% own

AGRANT$200K

Ball Bryan · See remarksMay 14

51,020 sh @ $3.92 · +12.8% own

AGRANT$5M

Dalal Anupam · DirectorMay 14

1.3M sh @ $3.92 · +37.4% own

AGRANT◆$25M

Avoro Capital Advisors… · Director, 10%…May 12

6.4M sh @ $3.92

SSELL$584.8K

Giacobello Scott M. · Chief Financial…Apr 16

141,600 sh @ $4.13 · -32.4% own

SSELL$297.2K

Giacobello Scott M. · Chief Financial…Apr 15

77,000 sh @ $3.86 · -15.0% own

SSELL$336.6K

Ball Bryan · See remarksApr 14

92,460 sh @ $3.64 · -18.9% own

SSELL$91.3K

Ball Bryan · See remarksApr 13

26,389 sh @ $3.46 · -5.1% own

SSELL$22.6K

Ball Bryan · See remarksApr 10

6,596 sh @ $3.43 · -1.3% own

SSELL$49K

Lennon David James · Chief Executive…Apr 9

14,500 sh @ $3.38 · -2.7% own

SSELL$178.5K

Ball Bryan · See remarksApr 9

50,000 sh @ $3.57 · -8.7% own

SSELL$217.4K

Lennon David James · Chief Executive…Apr 8

63,945 sh @ $3.40 · -10.7% own

SSELL$322.7K

Lennon David James · Chief Executive…Apr 7

94,087 sh @ $3.43 · -13.6% own

SSELL$359.4K

Lennon David James · Chief Executive…Apr 6

102,395 sh @ $3.51 · -12.9% own

SSELL$93.5K

Lennon David James · Chief Executive…Apr 2

26,858 sh @ $3.48 · -3.3% own

AGRANT◆—

Lennon David James · Chief Executive…Apr 1

831,148 sh

MEXER◆—

Lennon David James · Chief Executive…Apr 1

775,828 sh

MEXER—

Lennon David James · Chief Executive…Apr 1

775,828 sh · +1,740% own

AGRANT◆—

Giacobello Scott M. · Chief Financial…Apr 1

300,677 sh

MEXER◆—

Giacobello Scott M. · Chief Financial…Apr 1

473,902 sh

MEXER—

Giacobello Scott M. · Chief Financial…Apr 1

473,902 sh · +1,686% own

AGRANT◆—

Dugan Margaret · Chief Medical…Apr 1

283,157 sh

AGRANT◆—

Dornan David · Chief Scientific…Apr 1

282,340 sh

AGRANT◆—

Ball Bryan · See remarksApr 1

250,058 sh

MEXER◆—

Ball Bryan · See remarksApr 1

366,532 sh

MEXER—

Ball Bryan · See remarksApr 1

366,532 sh · +177.9% own

SSELL$16.9K

Lennon David James · Chief Executive…Mar 2

5,100 sh @ $3.31 · -10.3% own

SSELL$8.6K

Giacobello Scott M. · Chief Financial…Mar 2

2,594 sh @ $3.31 · -8.5% own

SSELL$6.1K

Ball Bryan · See remarksMar 2

1,834 sh @ $3.31 · -0.9% own

MEXER◆—

Lennon David James · Chief Executive…Mar 1

16,250 sh

MEXER—

Lennon David James · Chief Executive…Mar 1

16,250 sh · +48.6% own

MEXER◆—

Giacobello Scott M. · Chief Financial…Mar 1

6,750 sh

MEXER—

Giacobello Scott M. · Chief Financial…Mar 1

6,750 sh · +28.2% own

MEXER◆—

Ball Bryan · See remarksMar 1

5,000 sh

MEXER—

Ball Bryan · See remarksMar 1

5,000 sh · +2.5% own

AGRANT◆—

Dugan Margaret · Chief Medical…Dec 1, 2025

55,309 sh

AGRANT◆—

Dugan Margaret · Chief Medical…Dec 1, 2025

650,000 sh

AGRANT◆—

Zhao Baiteng · DirectorJun 17, 2025

40,006 sh

AGRANT◆—

Reeve Emma · DirectorJun 12, 2025

40,006 sh

AGRANT◆—

Maroun Richard E · DirectorJun 12, 2025

40,006 sh

AGRANT◆—

Hirmand Mohammad · DirectorJun 12, 2025

40,006 sh

AGRANT◆—

Dalal Anupam · DirectorJun 12, 2025

40,006 sh

AGRANT◆—

Castelein Caley · DirectorJun 12, 2025

40,006 sh

AGRANT◆—

Aghazadeh Behzad · Director, 10%…Jun 12, 2025

40,006 sh

AGRANT◆—

Desai Neil · DirectorJun 12, 2025

40,006 sh

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

4 of 36 filings we hold were filed after the two-business-day deadline. The furthest past the deadline was 49 business days late.

Form 4 filings made after the two-business-day deadline, with the transaction date, the filing date and the number of business days between them.
Traded	Filed	Insider	Past deadline	Largest line	Source
May 14	Jul 29	Dalal AnupamDirector	49days · about 2 months	$5M	Filing ↗
Mar 1	Mar 9	Ball BryanSee remarks	4days	$6.1K	Filing ↗
Mar 1	Mar 9	Giacobello Scott M.Chief Financial Officer	4days	$8.6K	Filing ↗
Mar 1	Mar 9	Lennon David JamesChief Executive Officer	4days	$16.9K	Filing ↗

Dalal AnupamDirector

49days · about 2 months

Traded May 14 · filed Jul 29Filing ↗

Ball BryanSee remarks

4days

Traded Mar 1 · filed Mar 9Filing ↗

Giacobello Scott M.Chief Financial Officer

4days

Traded Mar 1 · filed Mar 9Filing ↗

Lennon David JamesChief Executive Officer

4days

Traded Mar 1 · filed Mar 9Filing ↗

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

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