2seventy bio, Inc. 4 SEC Filings

Filed On	Filing
15 May 2025	Form 4: Glickman Sarah Js, Director Returned 12,050 shares to the issuer · Disposed of 15,602 shares (Tender Offer) · Disposed of 24,100 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Casdin Capital, Llc, Director and 3 others Disposed of 2,022,625 shares (Tender Offer) ($10.1M) · Disposed of 45,450 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Leschly Nick, Director Returned 335,964 shares to the issuer · Disposed of 953,875 shares (Tender Offer) · Disposed of 469,000 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Eatwell Victoria, Chief Financial Officer Returned 401,111 shares to the issuer · Disposed of 43,276 shares (Tender Offer) · Disposed of 112,000 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Snow Jessica, Chief Operating Officer Returned 247,230 shares to the issuer · Disposed of 11,064 shares (Tender Offer) · Disposed of 89,050 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Wei Lin, Director Returned 17,583 shares to the issuer · Disposed of 15,267 shares (Tender Offer) · Disposed of 24,100 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Maus Marcela V., Director Returned 12,050 shares to the issuer · Disposed of 11,702 shares (Tender Offer) · Disposed of 24,100 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Newton Charles W., Director Returned 17,092 shares to the issuer · Disposed of 5,533 shares (Tender Offer) · Disposed of 45,450 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Torres Denice, Director Returned 12,050 shares to the issuer · Disposed of 19,510 shares (Tender Offer) · Disposed of 24,100 Stock Options (Right to buy) (Disposition to Issuer)
15 May 2025	Form 4: Baird William D Iii, Director Returned 1,002,825 shares to the issuer · Disposed of 118,209 shares (Tender Offer) · Disposed of 358,000 Stock Options (Right to buy) (Disposition to Issuer)
19 Mar 2025	Form 4: Snow Jessica, Chief Operating Officer Sold 2,298 shares ($11.4K)
19 Mar 2025	Form 4: Baird William D Iii, Director Sold 5,092 shares ($25.2K)
19 Mar 2025	Form 4: Eatwell Victoria, Chief Financial Officer Sold 2,592 shares ($12.8K)
13 Mar 2025	Form 4: Kynam Global Healthcare Master Fund, Lp, 10% owner and 4 others Sold 16,238,047 shares ($80.1M)
08 Jan 2025	Form 4: Snow Jessica, See Remarks Received 106,150 shares as a grant or award · Granted 70,750 Stock Option (Right to buy)
08 Jan 2025	Form 4: Eatwell Victoria, Chief Financial Officer Received 108,000 shares as a grant or award · Granted 72,000 Stock Option (Right to buy)
08 Jan 2025	Form 4: Baird William D Iii, Director Received 264,000 shares as a grant or award · Granted 176,000 Stock Option (Right to buy)
07 Jan 2025	Form 4: Snow Jessica, See Remarks Sold 1,000 shares ($2.94K) · Sold 5,114 shares ($14.3K) · Sold 186 shares ($491)
07 Jan 2025	Form 4: Leschly Nick, Director Sold 85,978 shares ($252K) · Sold 892 shares ($2.48K)
07 Jan 2025	Form 4: Eatwell Victoria, Chief Financial Officer Sold 1,013 shares ($2.97K) · Sold 97 shares ($270)

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