Form 4
Insider Selling
2026-04-23
BNTX insider Poetting Sierk (Chief Operating Officer) sold 50,000 shares (~$5.53M)
Poetting Sierk, listed as Chief Operating Officer at BioNTech SE, reported an open-market sale of 50,000 BNTX shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Poetting Sierk (Chief Operating Officer)
Shares: 50,000
Est. Value: $5.53M
Form 144
Large Proposed Insider Sale
2026-03-11
BNTX Form 144 filed for proposed insider sale by Poetting Sierk (150,000 shares) ~$25.17M
Poetting Sierk filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Poetting Sierk
Shares: 150,000
Est. Value: $25.17M
Form 144
Large Proposed Insider Sale
2026-02-12
BNTX Form 144 filed for proposed insider sale by Medine GmbH (858,209 shares) ~$187.74M
Medine GmbH filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Medine GmbH
Shares: 858,209
Est. Value: $187.74M
Form 144
Large Proposed Insider Sale
2025-11-28
BNTX Form 144 filed for proposed insider sale by Tureci Ozlem (123,331 shares) ~$25.33M
Tureci Ozlem filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Tureci Ozlem
Shares: 123,331
Est. Value: $25.33M
Form 144
Large Proposed Insider Sale
2025-11-13
BNTX Form 144 filed for proposed insider sale by Medine GmbH (1,114,130 shares) ~$248.90M
Medine GmbH filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Medine GmbH
Shares: 1,114,130
Est. Value: $248.90M
Form 144
Large Proposed Insider Sale
2025-11-05
BNTX Form 144 filed for proposed insider sale by Jeggle Helmut Wolfgang (150,000 shares) ~$31.03M
Jeggle Helmut Wolfgang filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Jeggle Helmut Wolfgang
Shares: 150,000
Est. Value: $31.03M
Form 144
Large Proposed Insider Sale
2025-09-05
BNTX Form 144 filed for proposed insider sale by ATHOS KG (500,000 shares) ~$112.46M
ATHOS KG filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: ATHOS KG
Shares: 500,000
Est. Value: $112.46M
Form 144
Large Proposed Insider Sale
2025-08-15
BNTX Form 144 filed for proposed insider sale by Medine GmbH (1,774,837 shares) ~$400.05M
Medine GmbH filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Medine GmbH
Shares: 1,774,837
Est. Value: $400.05M
Form 144
Large Proposed Insider Sale
2025-08-15
BNTX Form 144 filed for proposed insider sale by Tureci Ozlem (185,001 shares) ~$41.70M
Tureci Ozlem filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Tureci Ozlem
Shares: 185,001
Est. Value: $41.70M
Form 144
Large Proposed Insider Sale
2025-06-04
BNTX Form 144 filed for proposed insider sale by Jeggle Helmut Wolfgang (150,000 shares) ~$33.93M
Jeggle Helmut Wolfgang filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Jeggle Helmut Wolfgang
Shares: 150,000
Est. Value: $33.93M
Form 144
Large Proposed Insider Sale
2025-06-02
BNTX Form 144 filed for proposed insider sale by ATHOS KG (175,000 shares) ~$38.79M
ATHOS KG filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: ATHOS KG
Shares: 175,000
Est. Value: $38.79M
Form 144
Large Proposed Insider Sale
2025-05-28
BNTX Form 144 filed for proposed insider sale by ATHOS KG (500,000 shares) ~$98.68M
ATHOS KG filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: ATHOS KG
Shares: 500,000
Est. Value: $98.68M
Form 144
Large Proposed Insider Sale
2025-05-07
BNTX Form 144 filed for proposed insider sale by Jeggle Helmut Wolfgang (150,000 shares) ~$28.42M
Jeggle Helmut Wolfgang filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Jeggle Helmut Wolfgang
Shares: 150,000
Est. Value: $28.42M
Form 144
Large Proposed Insider Sale
2025-02-27
BNTX Form 144 filed for proposed insider sale by Richardson Ryan (26,500 shares) ~$6.04M
Richardson Ryan filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Richardson Ryan
Shares: 26,500
Est. Value: $6.04M
Form 144
Large Proposed Insider Sale
2025-02-20
BNTX Form 144 filed for proposed insider sale by Medine GmbH (1,000,000 shares) ~$239.16M
Medine GmbH filed a Form 144 with the SEC indicating intent to sell BNTX (BioNTech SE) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4. The proposed dollar value is large enough to merit attention.
Filing: Form 144 (Proposed Sale Notice)
Insider: Medine GmbH
Shares: 1,000,000
Est. Value: $239.16M