Liawatidewi Yakob (CIK 0001743927)

Latest company ownership

AMPH - Amphastar Pharmaceuticals, Inc.
Role: EVP CORP ADMIN CENTER
Shares held
11,500
Last filed at
Dec 3, 2018
Confidence Score
49.4
2025Q4
Confidence Score History
2018Q4 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 15, 2025 Mar 18, 2025 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 22.5 -2,762 -2.87% ✗ $75.4K
Mar 6, 2025 Mar 10, 2025 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 26.3 -1,141 -1.49% ✗ $32.3K
Mar 4, 2025 Mar 6, 2025 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 26.3 -963 -1.24% ✗ $26.6K
Nov 6, 2024 Nov 8, 2024 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 30.0 -5,214 -6.31% ✓ $271.4K
Jun 4, 2024 Jun 5, 2024 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 43.8 -272 -0.35% ✗ $11.5K
Mar 15, 2024 Mar 19, 2024 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 22.5 -4,424 -5.42% ✗ $190.5K
Mar 6, 2024 Mar 8, 2024 Amphastar Pharmaceuticals, Inc. EVP CORP ADMIN CENTER Sell 22.5 -1,221 -1.47% ✗ $56.5K
Aug 28, 2023 Aug 29, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 5.0 -28,816 -28.55% ✓ $1.5M
Jun 4, 2023 Jun 6, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 36.3 -378 -0.52% ✗ $17.7K
Apr 13, 2023 Apr 14, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 22.5 -11,494 -13.82% ✓ $477.7K
Apr 10, 2023 Apr 12, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 32.5 -5,000 -6.52% ✓ $200K
Mar 16, 2023 Mar 20, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 22.5 -3,293 -4.39% ✗ $121.6K
Mar 15, 2023 Mar 17, 2023 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 22.5 -1,851 -2.41% ✗ $68.2K
Aug 8, 2022 Aug 10, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 30.0 -8,055 -6.02% ✓ $309.1K
Jul 15, 2022 Jul 18, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 22.5 -10,837 -14.47% ✓ $397.1K
Jun 14, 2022 Jun 15, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 52.5 -128 -0.20% ✗ $4K
Jun 4, 2022 Jun 6, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 45.0 -264 -0.41% ✗ $10K
Mar 16, 2022 Mar 18, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 22.5 -3,292 -4.95% ✗ $112.6K
Mar 15, 2022 Mar 17, 2022 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 95.0 +9,955 17.61% ✗ $54.2K
Aug 2, 2021 Aug 3, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 25.0 -8,932 -13.64% ✓ $188.8K
Jul 15, 2021 Jul 16, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 7.5 -31,524 -35.80% ✓ $630.7K
Jun 14, 2021 Jun 15, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 45.0 -128 -0.22% ✗ $2.5K
Jun 4, 2021 Jun 8, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 45.0 -264 -0.46% ✗ $5K
May 14, 2021 May 18, 2021 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 20.0 -12,823 -10.47% ✗ $256.1K
May 11, 2021 May 13, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 20.0 -14,592 -19.77% ✗ $279.3K
Mar 16, 2021 Mar 18, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 91.3 +16,914 36.07% ✗ $44.8K
Mar 15, 2021 Mar 17, 2021 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 26.3 -1,559 -3.22% ✗ $29.9K
Jul 20, 2020 Jul 22, 2020 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 28.8 -10,164 -9.72% ✓ $214.9K
Jun 14, 2020 Jun 15, 2020 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 45.0 -128 -0.26% ✗ $2.5K
Jun 9, 2020 Jun 10, 2020 Amphastar Pharmaceuticals, Inc. EVP Corp Admin Center Sell 20.0 -23,405 -32.51% ✗ $477.6K
Mar 16, 2020 Mar 18, 2020 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 91.3 +17,057 49.34% ✗ $23K
Mar 15, 2020 Mar 17, 2020 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 26.3 -1,559 -4.32% ✗ $22.1K
Sep 13, 2019 Sep 17, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 22.5 -3,000 -7.67% ✗ $64.3K
Sep 5, 2019 Sep 9, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 22.5 -3,910 -9.08% ✗ $84.6K
Aug 12, 2019 Aug 14, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 17.5 -15,518 -16.30% ✓ $318.6K
Jun 14, 2019 Jun 17, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 45.0 -195 -0.40% ✗ $3.9K
Mar 26, 2019 Mar 27, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 26.3 -885 -1.82% ✗ $18.2K
Mar 15, 2019 Mar 19, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 95.0 +6,275 14.85% ✗ $73.1K
Feb 12, 2019 Feb 14, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 25.0 -8,868 -10.19% ✓ $211.6K
Feb 5, 2019 Feb 6, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 12.5 -11,397 -21.24% ✓ $264.2K
Jan 22, 2019 Jan 24, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 28.8 -7,000 -7.93% ✓ $157.7K
Jan 14, 2019 Jan 16, 2019 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 37.5 -3,183 -3.77% ✓ $70.5K
Nov 30, 2018 Dec 3, 2018 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 20.0 -13,980 -24.18% ✗ $300.5K
Nov 28, 2018 Nov 29, 2018 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 26.3 -1,520 -3.18% ✗ $31.1K
Nov 23, 2018 Nov 26, 2018 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 26.3 -1,299 -2.64% ✗ $26.3K
Nov 8, 2018 Nov 13, 2018 Amphastar Pharmaceuticals, Inc. SVP Corp Admin Center Sell 17.5 -17,808 -16.53% ✓ $373.4K