Boyce Sarah (CIK 0001629383)

Latest company ownership

Shares held
50,000
Last filed at
Sep 5, 2025
Confidence Score
31.0
2025Q4
Confidence Score History
2022Q3 2025Q4
OABI - OmniAb, Inc.
Role: Director
Shares held
40,000
Last filed at
Jun 21, 2024
Confidence Score
50.0
2025Q4
Confidence Score History
2022Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 17, 2025 Dec 19, 2025 Avidity Biosciences, Inc. CEO Sell 37.5 -13,901 -4.54% ✗ $1.1M
Sep 5, 2025 Sep 5, 2025 Avidity Biosciences, Inc. CEO Sell 20.0 -50,000 -14.05% ✓ $2.5M
Aug 28, 2025 Aug 29, 2025 Avidity Biosciences, Inc. CEO Sell 23.8 -25,000 -7.56% ✓ $1.2M
Mar 20, 2025 Mar 21, 2025 Avidity Biosciences, Inc. CEO Sell 26.3 -31,540 -9.35% ✓ $979.6K
Jan 21, 2025 Jan 23, 2025 Avidity Biosciences, Inc. CEO Sell 38.8 -10,397 -2.99% ✓ $297.3K
Dec 18, 2024 Dec 19, 2024 Avidity Biosciences, Inc. CEO Sell 20.0 -31,855 -10.72% ✓ $1M
Sep 19, 2024 Sep 23, 2024 Avidity Biosciences, Inc. CEO Sell 100.0 +92,120 13.03% ✓ $1.4M
Aug 6, 2024 Aug 7, 2024 Avidity Biosciences, Inc. CEO Sell 20.0 -28,000 -12.01% ✓ $1.2M
Jul 9, 2024 Jul 11, 2024 Avidity Biosciences, Inc. CEO Sell 20.0 -28,000 -12.01% ✓ $1.1M
Jun 17, 2024 Jun 20, 2024 Avidity Biosciences, Inc. CEO Sell 100.0 +92,926 21.65% ✓ $1.3M
Jun 12, 2024 Jun 14, 2024 Avidity Biosciences, Inc. CEO Sell 2.5 -300,000 -47.14% ✓ $11.6M
Jun 4, 2024 Jun 5, 2024 Avidity Biosciences, Inc. CEO Sell 17.5 -28,000 -19.98% ✓ $767.8K
May 7, 2024 May 7, 2024 Avidity Biosciences, Inc. CEO Sell 17.5 -28,000 -19.98% ✓ $715.1K
Apr 2, 2024 Apr 3, 2024 Avidity Biosciences, Inc. CEO Sell 20.0 -28,000 -19.98% ✗ $734.9K
Mar 8, 2024 Mar 12, 2024 Avidity Biosciences, Inc. CEO Sell 17.5 -112,000 -33.31% ✗ $2.4M
Mar 1, 2024 Mar 5, 2024 Avidity Biosciences, Inc. CEO Sell 17.5 -84,000 -42.83% ✗ $1.7M
Jan 20, 2024 Jan 23, 2024 Avidity Biosciences, Inc. CEO Sell 95.0 +57,408 106.69% ✓ $51.6K
Feb 1, 2023 Feb 3, 2023 Avidity Biosciences, Inc. CEO Sell 10.0 -50,000 -23.80% ✓ $1.2M
Nov 9, 2022 Nov 14, 2022 OmniAb, Inc. Director Buy 95.0 +36,000 68.65% ✗ $101.4K
Aug 24, 2022 Aug 26, 2022 Avidity Biosciences, Inc. CEO Sell 5.0 -49,900 -100.00% ✓ $1.1M
Aug 15, 2022 Aug 17, 2022 Avidity Biosciences, Inc. CEO Sell 15.0 -100 -100.00% ✓ $2.2K