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BNTX SEC Filing News — BioNTech SE

Latest SEC filings for BioNTech SE (BNTX) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
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
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