HALO

Halozyme Therapeutics, INC.

Insider trading activity for Halozyme 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

-$4.5M

net selling

Bought(0 · 0 insiders): $0
Sold(16 · 3 insiders): $4.5M

Past 6 months

-$11.2M

net selling

Bought(0 · 0 insiders): $0
Sold(35 · 3 insiders): $11.2M

Past 12 months

-$11.2M

net selling

Bought(0 · 0 insiders): $0
Sold(35 · 3 insiders): $11.2M

Transaction history

The 80 most recent Form 4 transactions.

Open in screener →

Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Aug 10	Connaughton Bernadette	Director	SSELL◷	1,626	$102.80	$167.2K	-3.9%	Open the original filing on SEC.gov
Jul 8	Torley Helen	President and CEO	MEXER◷◆	1,923	$12.07	$23.2K	—	Open the original filing on SEC.gov
Jul 8	Torley Helen	President and CEO	SSELL◷	1,035	$80.19	$83K	-0.1%	Open the original filing on SEC.gov
Jul 8	Torley Helen	President and CEO	SSELL◷	888	$79.28	$70.4K	-0.1%	Open the original filing on SEC.gov
Jul 8	Torley Helen	President and CEO	MEXER◷	1,923	$12.07	$23.2K	+0.3%	Open the original filing on SEC.gov
Jul 1	Ramsay David A	EVP, President, Drug…	AGRANT◆	39,823	—	—	—	Open the original filing on SEC.gov
Jul 1	Ramsay David A	EVP, President, Drug…	AGRANT◆	16,232	—	—	—	Open the original filing on SEC.gov
Jul 1	Snellgrove Darren	SVP, Chief Financial…	AGRANT◆	127,432	—	—	—	Open the original filing on SEC.gov
Jul 1	Snellgrove Darren	SVP, Chief Financial…	AGRANT◆	41,554	—	—	—	Open the original filing on SEC.gov
Jul 1	Connaughton Bernadette	Director	SSELL◷	625	$77.21	$48.3K	-1.5%	Open the original filing on SEC.gov
Jul 1	Connaughton Bernadette	Director	SSELL◷	1,000	$76.40	$76.4K	-2.3%	Open the original filing on SEC.gov
Jun 30	Ramsay David A	EVP, President, Drug…	MEXER◆	10,000	—	—	—	Open the original filing on SEC.gov
Jun 30	Ramsay David A	EVP, President, Drug…	FTAX	5,408	$78.27	$423.3K	-54.1%	Open the original filing on SEC.gov
Jun 30	Ramsay David A	EVP, President, Drug…	MEXER	10,000	—	—	—	Open the original filing on SEC.gov
Jun 29	Krishnan Mahesh	Director	MEXER◷◆	7,304	—	—	—	Open the original filing on SEC.gov
Jun 29	Krishnan Mahesh	Director	SSELL◷	7,304	$75.00	$547.8K	-33.6%	Open the original filing on SEC.gov
Jun 29	Krishnan Mahesh	Director	MEXER◷	7,304	$38.46	$280.9K	+50.5%	Open the original filing on SEC.gov
Jun 12	Snyder Mark Howard	SVP, Chief Legal Officer	MEXER◆	5,034	—	—	—	Open the original filing on SEC.gov
Jun 12	Snyder Mark Howard	SVP, Chief Legal Officer	FTAX	2,715	$69.50	$188.7K	-5.2%	Open the original filing on SEC.gov
Jun 12	Snyder Mark Howard	SVP, Chief Legal Officer	MEXER	5,034	—	—	+10.6%	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	MEXER◷◆	10,000	$12.07	$120.7K	—	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	SSELL◷	6,100	$69.69	$425.1K	-0.8%	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	SSELL◷	2,000	$68.74	$137.5K	-0.3%	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	SSELL◷	1,500	$67.68	$101.5K	-0.2%	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	SSELL◷	400	$66.37	$26.5K	<0.1%	Open the original filing on SEC.gov
Jun 3	Torley Helen	President and CEO	MEXER◷	10,000	$12.07	$120.7K	+1.3%	Open the original filing on SEC.gov
Jun 2	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
Jun 2	Torley Helen	President and CEO	SSELL◷	3,400	$66.75	$226.9K	-0.4%	Open the original filing on SEC.gov
Jun 2	Torley Helen	President and CEO	SSELL◷	16,600	$66.31	$1.1M	-2.1%	Open the original filing on SEC.gov
Jun 2	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov
Jun 1	Connaughton Bernadette	Director	SSELL◷	1,625	$66.21	$107.6K	-3.6%	Open the original filing on SEC.gov
Jun 1	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
Jun 1	Torley Helen	President and CEO	SSELL◷	5,401	$68.35	$369.1K	-0.7%	Open the original filing on SEC.gov
Jun 1	Torley Helen	President and CEO	SSELL◷	12,989	$67.41	$875.6K	-1.7%	Open the original filing on SEC.gov
Jun 1	Torley Helen	President and CEO	SSELL◷	1,610	$66.39	$106.9K	-0.2%	Open the original filing on SEC.gov
Jun 1	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	MEXER◷◆	10,000	$12.07	$120.7K	—	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	SSELL◷	600	$70.81	$42.5K	<0.1%	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	SSELL◷	3,950	$69.79	$275.7K	-0.5%	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	SSELL◷	3,350	$68.88	$230.7K	-0.4%	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	SSELL◷	2,100	$68.10	$143K	-0.3%	Open the original filing on SEC.gov
May 13	Torley Helen	President and CEO	MEXER◷	10,000	$12.07	$120.7K	+1.3%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	SSELL◷	2,800	$73.12	$204.7K	-0.4%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	SSELL◷	5,900	$72.15	$425.7K	-0.8%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	SSELL◷	9,802	$71.37	$699.6K	-1.3%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	SSELL◷	1,398	$70.29	$98.3K	-0.2%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	SSELL◷	100	$67.85	$6.8K	<0.1%	Open the original filing on SEC.gov
May 12	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov
May 11	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
May 11	Torley Helen	President and CEO	SSELL◷	6,700	$66.33	$444.4K	-0.9%	Open the original filing on SEC.gov
May 11	Torley Helen	President and CEO	SSELL◷	3,575	$65.46	$234K	-0.5%	Open the original filing on SEC.gov
May 11	Torley Helen	President and CEO	SSELL◷	9,725	$64.63	$628.5K	-1.2%	Open the original filing on SEC.gov
May 11	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov
May 5	Posard Matthew L.	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Posard Matthew L.	Director	AGRANT	3,796	—	—	+5.1%	Open the original filing on SEC.gov
May 5	Krishnan Mahesh	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Krishnan Mahesh	Director	AGRANT	3,796	—	—	+35.6%	Open the original filing on SEC.gov
May 5	Lang James Paul	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Lang James Paul	Director	AGRANT	3,796	—	—	+427.0%	Open the original filing on SEC.gov
May 5	Henderson Jeffrey…	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Henderson Jeffrey…	Director	AGRANT	3,796	—	—	+11.6%	Open the original filing on SEC.gov
May 5	Duncan Barbara Gayle	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Duncan Barbara Gayle	Director	AGRANT	3,796	—	—	+19.1%	Open the original filing on SEC.gov
May 5	Connaughton Bernadette	Director	AGRANT◆	6,040	—	—	—	Open the original filing on SEC.gov
May 5	Connaughton Bernadette	Director	AGRANT	6,796	—	—	+17.6%	Open the original filing on SEC.gov
May 1	Connaughton Bernadette	Director	SSELL◷	1,625	$63.48	$103.2K	-4.0%	Open the original filing on SEC.gov
Apr 6	Torley Helen	President and CEO	MEXER◷◆	10,000	$12.07	$120.7K	—	Open the original filing on SEC.gov
Apr 6	Torley Helen	President and CEO	SSELL◷	4,100	$64.02	$262.5K	-0.5%	Open the original filing on SEC.gov
Apr 6	Torley Helen	President and CEO	SSELL◷	5,900	$63.14	$372.5K	-0.8%	Open the original filing on SEC.gov
Apr 6	Torley Helen	President and CEO	MEXER◷	10,000	$12.07	$120.7K	+1.3%	Open the original filing on SEC.gov
Apr 2	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
Apr 2	Torley Helen	President and CEO	SSELL◷	4,200	$64.89	$272.5K	-0.5%	Open the original filing on SEC.gov
Apr 2	Torley Helen	President and CEO	SSELL◷	15,800	$64.06	$1M	-2.0%	Open the original filing on SEC.gov
Apr 2	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov
Apr 1	Ramsay David A	Interim CFO	AGRANT◆	10,000	—	—	—	Open the original filing on SEC.gov
Apr 1	Torley Helen	President and CEO	MEXER◷◆	20,000	$12.07	$241.4K	—	Open the original filing on SEC.gov
Apr 1	Torley Helen	President and CEO	SSELL◷	1,000	$65.71	$65.7K	-0.1%	Open the original filing on SEC.gov
Apr 1	Torley Helen	President and CEO	SSELL◷	19,000	$65.36	$1.2M	-2.4%	Open the original filing on SEC.gov
Apr 1	Torley Helen	President and CEO	MEXER◷	20,000	$12.07	$241.4K	+2.6%	Open the original filing on SEC.gov

SSELL◷$167.2K

Connaughton Bernadette · DirectorAug 10

1,626 sh @ $102.80 · -3.9% own

MEXER◷◆$23.2K

Torley Helen · President and CEOJul 8

1,923 sh @ $12.07

SSELL◷$83K

Torley Helen · President and CEOJul 8

1,035 sh @ $80.19 · -0.1% own

SSELL◷$70.4K

Torley Helen · President and CEOJul 8

888 sh @ $79.28 · -0.1% own

MEXER◷$23.2K

Torley Helen · President and CEOJul 8

1,923 sh @ $12.07 · +0.3% own

AGRANT◆—

Ramsay David A · EVP, President,…Jul 1

39,823 sh

AGRANT◆—

Ramsay David A · EVP, President,…Jul 1

16,232 sh

AGRANT◆—

Snellgrove Darren · SVP, Chief Financi…Jul 1

127,432 sh

AGRANT◆—

Snellgrove Darren · SVP, Chief Financi…Jul 1

41,554 sh

SSELL◷$48.3K

Connaughton Bernadette · DirectorJul 1

625 sh @ $77.21 · -1.5% own

SSELL◷$76.4K

Connaughton Bernadette · DirectorJul 1

1,000 sh @ $76.40 · -2.3% own

MEXER◆—

Ramsay David A · EVP, President,…Jun 30

10,000 sh

FTAX$423.3K

Ramsay David A · EVP, President,…Jun 30

5,408 sh @ $78.27 · -54.1% own

MEXER—

Ramsay David A · EVP, President,…Jun 30

10,000 sh

MEXER◷◆—

Krishnan Mahesh · DirectorJun 29

7,304 sh

SSELL◷$547.8K

Krishnan Mahesh · DirectorJun 29

7,304 sh @ $75.00 · -33.6% own

MEXER◷$280.9K

Krishnan Mahesh · DirectorJun 29

7,304 sh @ $38.46 · +50.5% own

MEXER◆—

Snyder Mark Howard · SVP, Chief Legal…Jun 12

5,034 sh

FTAX$188.7K

Snyder Mark Howard · SVP, Chief Legal…Jun 12

2,715 sh @ $69.50 · -5.2% own

MEXER—

Snyder Mark Howard · SVP, Chief Legal…Jun 12

5,034 sh · +10.6% own

MEXER◷◆$120.7K

Torley Helen · President and CEOJun 3

10,000 sh @ $12.07

SSELL◷$425.1K

Torley Helen · President and CEOJun 3

6,100 sh @ $69.69 · -0.8% own

SSELL◷$137.5K

Torley Helen · President and CEOJun 3

2,000 sh @ $68.74 · -0.3% own

SSELL◷$101.5K

Torley Helen · President and CEOJun 3

1,500 sh @ $67.68 · -0.2% own

SSELL◷$26.5K

Torley Helen · President and CEOJun 3

400 sh @ $66.37 · <0.1% own

MEXER◷$120.7K

Torley Helen · President and CEOJun 3

10,000 sh @ $12.07 · +1.3% own

MEXER◷◆$241.4K

Torley Helen · President and CEOJun 2

20,000 sh @ $12.07

SSELL◷$226.9K

Torley Helen · President and CEOJun 2

3,400 sh @ $66.75 · -0.4% own

SSELL◷$1.1M

Torley Helen · President and CEOJun 2

16,600 sh @ $66.31 · -2.1% own

MEXER◷$241.4K

Torley Helen · President and CEOJun 2

20,000 sh @ $12.07 · +2.6% own

SSELL◷$107.6K

Connaughton Bernadette · DirectorJun 1

1,625 sh @ $66.21 · -3.6% own

MEXER◷◆$241.4K

Torley Helen · President and CEOJun 1

20,000 sh @ $12.07

SSELL◷$369.1K

Torley Helen · President and CEOJun 1

5,401 sh @ $68.35 · -0.7% own

SSELL◷$875.6K

Torley Helen · President and CEOJun 1

12,989 sh @ $67.41 · -1.7% own

SSELL◷$106.9K

Torley Helen · President and CEOJun 1

1,610 sh @ $66.39 · -0.2% own

MEXER◷$241.4K

Torley Helen · President and CEOJun 1

20,000 sh @ $12.07 · +2.6% own

MEXER◷◆$120.7K

Torley Helen · President and CEOMay 13

10,000 sh @ $12.07

SSELL◷$42.5K

Torley Helen · President and CEOMay 13

600 sh @ $70.81 · <0.1% own

SSELL◷$275.7K

Torley Helen · President and CEOMay 13

3,950 sh @ $69.79 · -0.5% own

SSELL◷$230.7K

Torley Helen · President and CEOMay 13

3,350 sh @ $68.88 · -0.4% own

SSELL◷$143K

Torley Helen · President and CEOMay 13

2,100 sh @ $68.10 · -0.3% own

MEXER◷$120.7K

Torley Helen · President and CEOMay 13

10,000 sh @ $12.07 · +1.3% own

MEXER◷◆$241.4K

Torley Helen · President and CEOMay 12

20,000 sh @ $12.07

SSELL◷$204.7K

Torley Helen · President and CEOMay 12

2,800 sh @ $73.12 · -0.4% own

SSELL◷$425.7K

Torley Helen · President and CEOMay 12

5,900 sh @ $72.15 · -0.8% own

SSELL◷$699.6K

Torley Helen · President and CEOMay 12

9,802 sh @ $71.37 · -1.3% own

SSELL◷$98.3K

Torley Helen · President and CEOMay 12

1,398 sh @ $70.29 · -0.2% own

SSELL◷$6.8K

Torley Helen · President and CEOMay 12

100 sh @ $67.85 · <0.1% own

MEXER◷$241.4K

Torley Helen · President and CEOMay 12

20,000 sh @ $12.07 · +2.6% own

MEXER◷◆$241.4K

Torley Helen · President and CEOMay 11

20,000 sh @ $12.07

SSELL◷$444.4K

Torley Helen · President and CEOMay 11

6,700 sh @ $66.33 · -0.9% own

SSELL◷$234K

Torley Helen · President and CEOMay 11

3,575 sh @ $65.46 · -0.5% own

SSELL◷$628.5K

Torley Helen · President and CEOMay 11

9,725 sh @ $64.63 · -1.2% own

MEXER◷$241.4K

Torley Helen · President and CEOMay 11

20,000 sh @ $12.07 · +2.6% own

AGRANT◆—

Posard Matthew L. · DirectorMay 5

6,040 sh

AGRANT—

Posard Matthew L. · DirectorMay 5

3,796 sh · +5.1% own

AGRANT◆—

Krishnan Mahesh · DirectorMay 5

6,040 sh

AGRANT—

Krishnan Mahesh · DirectorMay 5

3,796 sh · +35.6% own

AGRANT◆—

Lang James Paul · DirectorMay 5

6,040 sh

AGRANT—

Lang James Paul · DirectorMay 5

3,796 sh · +427.0% own

AGRANT◆—

Henderson Jeffrey… · DirectorMay 5

6,040 sh

AGRANT—

Henderson Jeffrey… · DirectorMay 5

3,796 sh · +11.6% own

AGRANT◆—

Duncan Barbara Gayle · DirectorMay 5

6,040 sh

AGRANT—

Duncan Barbara Gayle · DirectorMay 5

3,796 sh · +19.1% own

AGRANT◆—

Connaughton Bernadette · DirectorMay 5

6,040 sh

AGRANT—

Connaughton Bernadette · DirectorMay 5

6,796 sh · +17.6% own

SSELL◷$103.2K

Connaughton Bernadette · DirectorMay 1

1,625 sh @ $63.48 · -4.0% own

MEXER◷◆$120.7K

Torley Helen · President and CEOApr 6

10,000 sh @ $12.07

SSELL◷$262.5K

Torley Helen · President and CEOApr 6

4,100 sh @ $64.02 · -0.5% own

SSELL◷$372.5K

Torley Helen · President and CEOApr 6

5,900 sh @ $63.14 · -0.8% own

MEXER◷$120.7K

Torley Helen · President and CEOApr 6

10,000 sh @ $12.07 · +1.3% own

MEXER◷◆$241.4K

Torley Helen · President and CEOApr 2

20,000 sh @ $12.07

SSELL◷$272.5K

Torley Helen · President and CEOApr 2

4,200 sh @ $64.89 · -0.5% own

SSELL◷$1M

Torley Helen · President and CEOApr 2

15,800 sh @ $64.06 · -2.0% own

MEXER◷$241.4K

Torley Helen · President and CEOApr 2

20,000 sh @ $12.07 · +2.6% own

AGRANT◆—

Ramsay David A · Interim CFOApr 1

10,000 sh

MEXER◷◆$241.4K

Torley Helen · President and CEOApr 1

20,000 sh @ $12.07

SSELL◷$65.7K

Torley Helen · President and CEOApr 1

1,000 sh @ $65.71 · -0.1% own

SSELL◷$1.2M

Torley Helen · President and CEOApr 1

19,000 sh @ $65.36 · -2.4% own

MEXER◷$241.4K

Torley Helen · President and CEOApr 1

20,000 sh @ $12.07 · +2.6% own

Filing record

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

All 20 filings we hold were filed within the two-business-day deadline.

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.