Insider · CIK 0001629383

Boyce Sarah

Reports to the SEC for 8 companies · SAN DIEGO, CA

sec.gov

Transactions

Companies

Filings

CIK

0001629383

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-18	RNAAtrium Therapeutics, Inc.F Tax Payment	Director	FTax Payment	−126K sh	$8.95	−$1.13M	138,668
2026-06-26	CTNMContineum Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+19K sh	—	—	19,000
2026-02-27	RNAAtrium Therapeutics, Inc. · Stock Option (Right to Buy)A Award	Director	AAward	+20K sh	—	—	20,000
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−386K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−425K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−400K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc.D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−475K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−300K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−300K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−165K sh	—	—	0
2026-02-27	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−200K sh	—	—	0
2026-01-21	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−7,993 sh	$72.45	−$579K	269,007
2026-01-21	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−6,394 sh	$72.45	−$463K	277,000
2026-01-07	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−8,576 sh	$72.23	−$619K	283,394
2025-12-18	RNAMAvidity Biosciences, Inc.G Gift	Director, President and CEO	GGift	−29.2K sh	—	—	291,970
2025-12-17	RNAMAvidity Biosciences, Inc.F Tax Payment	Director, President and CEO	FTax Payment	−15.7K sh	$71.87	−$1.13M	321,129
2025-12-17	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+31K sh	—	—	336,871
2025-09-05	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−50K sh	—	—	1,022,015
2025-09-05	RNAMAvidity Biosciences, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+50K sh	$1.24	+$62K	355,871
2025-09-05	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−50K sh	$49.95	−$2.5M	305,871
2025-08-28	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−25K sh	$49.39	−$1.23M	305,871
2025-08-28	RNAMAvidity Biosciences, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+25K sh	$1.24	+$31K	330,871
2025-08-28	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−25K sh	—	—	1,072,015
2025-06-26	CTNMContineum Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+14.8K sh	—	—	14,750
2025-03-20	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−31.5K sh	$31.06	−$980K	305,871
2025-01-21	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−4,738 sh	$28.59	−$135K	343,070
2025-01-21	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−5,659 sh	$28.59	−$162K	337,411
2025-01-06	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+82.5K sh	—	—	347,808
2025-01-06	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+165K sh	—	—	165,000
2024-12-18	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−31.9K sh	$32.66	−$1.04M	265,308
2024-09-23	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−32.9K sh	$44.00	−$1.45M	234,663
2024-09-19	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+62.5K sh	—	—	297,163
2024-09-19	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+62.5K sh	—	—	267,543
2024-08-06	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−28K sh	$43.35	−$1.21M	205,043
2024-08-06	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−28K sh	—	—	461,015
2024-08-06	RNAMAvidity Biosciences, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+28K sh	$1.24	+$34.7K	233,043
2024-07-09	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−28K sh	—	—	489,015
2024-07-09	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−28K sh	$39.93	−$1.12M	205,043
2024-07-09	RNAMAvidity Biosciences, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+28K sh	$1.24	+$34.7K	233,043
2024-06-24	CTNMContineum Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+29.5K sh	—	—	29,500
2024-06-18	OABIWOmniAb, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director	MExercise/Conversion	−20K sh	—	—	0
2024-06-18	OABIWOmniAb, Inc.M Exercise/Conversion	Director	MExercise/Conversion	+20K sh	—	—	68,381
2024-06-18	OABIWOmniAb, Inc. · Stock Option (right to buy)A Award	Director	AAward	+40K sh	—	—	40,000
2024-06-18	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−32.1K sh	$39.13	−$1.26M	142,543
2024-06-18	OABIWOmniAb, Inc. · Restricted Stock UnitsA Award	Director	AAward	+20K sh	—	—	20,000
2024-06-17	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+62.5K sh	—	—	174,617
2024-06-17	RNAMAvidity Biosciences, Inc.A Award	Director, President and CEO	AAward	+62.5K sh	—	—	205,043
2024-06-14	RNAMAvidity Biosciences, Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−35.8K sh	—	—	517,015
2024-06-14	RNAMAvidity Biosciences, Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+35.8K sh	$1.24	+$44.4K	147,884
2024-06-14	RNAMAvidity Biosciences, Inc.S Sale	Director, President and CEO	SSale	−35.8K sh	$40.08	−$1.43M	112,117

Recent filings

Accepted (ET)
Sep 224
Boyce Sarah0001193125-26-397951
SEC(opens sec.gov)
Jun 264
Boyce Sarah0001628280-26-045833
SEC(opens sec.gov)
Mar 24
Boyce Sarah0001193125-26-085922
SEC(opens sec.gov)
Feb 274
Boyce Sarah0001193125-26-082275
SEC(opens sec.gov)
Jan 234
Boyce Sarah0001599901-26-000025
SEC(opens sec.gov)
Jan 94
Boyce Sarah0001599901-26-000014
SEC(opens sec.gov)
Dec 194
Boyce Sarah0001599901-25-000219
SEC(opens sec.gov)
Sep 54
Boyce Sarah0001599901-25-000175
SEC(opens sec.gov)

Companies

Address

C/O ATRIUM THERAPEUTICS, INC. 10578 SCIENCE CENTER DRIVE, SUITE 125

SAN DIEGO, CA, 92121