Syed Ali-Aamir Rizvi

Chief Medical Officer, Caribou Biosciences, Inc.

Companies

Rocket Pharmaceuticals Inc.Officer Sep 22, 2025 to now¹
Poseida Therapeutics, Inc.Chief Medical Officer Apr 3, 2024 to Jan 8, 2025²
Caribou Biosciences, Inc.Chief Medical Officer Jan 24, 2022 to Feb 23, 2023³

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Rocket Pharmaceuticals Inc. RCKT407,874 shares⁴$919.8K at $2.25Feb 11, 2026
Caribou Biosciences, Inc. CRBU59,373 shares⁵$27.3K at $0.46Jan 19, 2023
Poseida Therapeutics, Inc.0 shares⁶Jan 8, 2025

As of each latest filing. The line shows shares held over time.

Recent filings

Feb 11, 2026Granted 61,963 shares of Rocket Pharmaceuticals Inc.⁴
Oct 6, 2025Granted 62,893 shares of Rocket Pharmaceuticals Inc.⁷
Oct 6, 2025Granted 283,018 shares of Rocket Pharmaceuticals Inc.⁷
Jan 8, 2025U 185,000 shares of Poseida Therapeutics, Inc.⁶
Apr 1, 2024Granted 185,000 shares of Poseida Therapeutics, Inc.⁸
Jan 19, 2023Sold 5,627 shares at $6.31 of Caribou Biosciences, Inc.⁵
Jan 25, 2022Granted 60,000 shares of Caribou Biosciences, Inc.⁹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARRocket Pharmaceuticals Inc., Officer
2
SEC EDGARPoseida Therapeutics, Inc., Chief Medical Officer
3
SEC EDGARCaribou Biosciences, Inc., Chief Medical Officer
4
SEC EDGARRocket Pharmaceuticals Inc. shares after the filing of Feb 11, 2026
5
SEC EDGARCaribou Biosciences, Inc. shares after the filing of Jan 19, 2023
6
SEC EDGARPoseida Therapeutics, Inc. shares after the filing of Jan 8, 2025
7
SEC EDGARForm 4 filed Oct 8, 2025
8
SEC EDGARForm 4 filed Apr 3, 2024
9
SEC EDGARForm 4 filed Jan 25, 2022