Insider · CIK 0001779336

Malecek Michael J

Reports to the SEC for 1 company · BRISBANE, CA

sec.gov

Transactions

Companies

Filings

CIK

0001779336

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-03-03	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+190K sh	—	—	190,000
2025-07-28	PRTAPROTHENA CORP PUBLIC LTD COA Award	Chief Legal Officer	AAward	+80K sh	—	—	80,000
2025-03-05	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+108K sh	—	—	107,500
2024-02-27	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+85K sh	—	—	85,000
2023-09-27	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-09-27	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−4,596 sh	$47.29	−$217K	404
2023-09-27	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−404 sh	$48.31	−$19.5K	0
2023-09-27	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	90,000
2023-08-30	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-08-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−2,322 sh	$54.58	−$127K	2,678
2023-08-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−2,664 sh	$55.39	−$148K	14
2023-08-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−14 sh	$56.21	−$786.94	0
2023-08-30	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	95,000
2023-07-26	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-07-26	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−2,477 sh	$61.78	−$153K	2,523
2023-07-26	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−1,903 sh	$62.69	−$119K	620
2023-07-26	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−620 sh	$63.40	−$39.3K	0
2023-07-26	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	100,000
2023-06-28	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-06-28	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−1,240 sh	$69.07	−$85.6K	3,760
2023-06-28	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−3,050 sh	$69.89	−$213K	710
2023-06-28	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−710 sh	$70.84	−$50.3K	0
2023-06-28	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	105,000
2023-05-31	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-05-31	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−3,211 sh	$64.16	−$206K	1,789
2023-05-31	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−1,078 sh	$65.20	−$70.3K	711
2023-05-31	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−711 sh	$65.98	−$46.9K	0
2023-05-31	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	110,000
2023-04-26	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-04-26	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−4,680 sh	$53.40	−$250K	320
2023-04-26	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−320 sh	$54.25	−$17.4K	0
2023-04-26	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	115,000
2023-03-29	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2023-03-29	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−2,734 sh	$48.81	−$133K	2,266
2023-03-29	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−2,266 sh	$49.28	−$112K	0
2023-03-29	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	120,000
2023-03-15	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+15K sh	$10.27	+$154K	15,000
2023-03-15	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−6,436 sh	$48.13	−$310K	8,564
2023-03-15	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−8,564 sh	$48.67	−$417K	0
2023-03-15	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−15K sh	—	—	125,000
2023-03-02	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)A Award	Chief Legal Officer	AAward	+48K sh	—	—	48,000
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COM Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	+5,000 sh	$10.27	+$51.4K	5,000
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−142 sh	$59.92	−$8,508.242	4,858
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−1,696 sh	$60.96	−$103K	3,162
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−1,625 sh	$62.06	−$101K	1,537
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−456 sh	$62.85	−$28.7K	1,081
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−494 sh	$64.13	−$31.7K	587
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−411 sh	$64.96	−$26.7K	176
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD COS Sale	Chief Legal Officer	SSale	−176 sh	$65.87	−$11.6K	0
2022-11-30	PRTAPROTHENA CORP PUBLIC LTD CO · Stock Option (Right to Buy)M Exercise/Conversion	Chief Legal Officer	MExercise/Conversion	−5,000 sh	—	—	140,000

Recent filings

Accepted (ET)
Mar 54
Malecek Michael J0000905148-26-001177
SEC(opens sec.gov)
Jul 304
Malecek Michael J0000905148-25-002657
SEC(opens sec.gov)
Mar 74
Malecek Michael J0000905148-25-000885
SEC(opens sec.gov)
Feb 294
Malecek Michael J0000905148-24-000837
SEC(opens sec.gov)
Sep 274
Malecek Michael J0000905148-23-001024
SEC(opens sec.gov)
Aug 304
Malecek Michael J0000905148-23-000803
SEC(opens sec.gov)
Jul 264
Malecek Michael J0001140361-23-036291
SEC(opens sec.gov)
Jun 284
Malecek Michael J0001140361-23-032003
SEC(opens sec.gov)

Companies

PROTHENA CORP PUBLIC LTD COChief Legal OfficerPRTA

Address

C/O PROTHENA BIOSCIENCES INC 1800 SIERRA POINT PARKWAY

BRISBANE, CA, 94005