Restated Bylaw Provisions

Jan 6, 2025 | mx.advfn.com | Restated Bylaw Provisions

Filed Pursuant to Rule 424(b)(5) Registration No. 333-282389PROSPECTUS SUPPLEMENT(To Prospectus Dated October 3, 2024)4,210,525 Shares of Common StockPursuant to this prospectussupplement and the accompanying prospectus, we are offering in a registered direct offering to certain purchasers 4,210,525 shares ofour common stock, par value $0.0001 per share, at a purchase price of $19.00 per share directly to institutional investors.

Nov 15, 2024 | mx.advfn.com | Restated Certificate |Restated Bylaw Provisions

As Filed Pursuant to Rule 424(b)(5) Registration No. 333-283001PROSPECTUS SUPPLEMENT(To Prospectus Dated November 15, 2024)AnaptysBio, Inc. $100,000,000Common StockWe have entered into a sales agreement, or the sales agreement, with TD Securities (USA) LLC, or TD Cowen, relating to the sale of shares of our common stock, $0.001 par value per share, offered by this prospectus supplement and the accompanying base prospectus.

Nov 7, 2024 | streetinsider.com | Restated Bylaw Provisions

PROSPECTUS SUMMARYThis summary description about us and our businesshighlights selected information contained elsewhere in this base prospectus or incorporated in this base prospectus by reference. Thissummary does not contain all of the information that may be important to you and your investment decision.

Nov 7, 2024 | mx.advfn.com | Restated Bylaw Provisions

Filed Pursuant to Rule 424(b)(5)Registration No.: 333-282389Prospectus Supplement(To Prospectus dated October 3, 2024)Up to $100,000,000 maximum aggregate offeringpriceCommon StockWe have entered into an equity distribution agreement(the “Distribution Agreement”) with Northland Securities, Inc. (“Northland”), B. Riley Securities, Inc. and LadenburgThalmann & Co. Inc.

Oct 31, 2024 | mx.advfn.com | Restated Certificate |Restated Bylaw Provisions

Table of Contents Filed pursuant to Rule 424(b)(5)Registration No. 333-273949 PROSPECTUS SUPPLEMENT (To Prospectus Dated August 18, 2023) 2,720,000 Shares of Common Stock We are offering 2,720,000 shares of our common stock at a purchase price of $3.75 per share. Our common stock is listed on The Nasdaq Capital Marketunder the symbol “CALC.” The last reported sale price of our common stock on The Nasdaq Capital Market on October 29, 2024 was $3.93 per share.