Martin Mackay - Jul 28, 2021 Form 4 Insider Report for Rallybio Corp (RLYB)

Signature
/s/ Michael Greco, Attorney-in-Fact
Stock symbol
RLYB
Transactions as of
Jul 28, 2021
Transactions value $
$103,473
Form type
4
Date filed
1/12/2022, 05:56 PM
Previous filing
May 10, 2021
Next filing
Jul 29, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction RLYB Common Stock Other +273K 273K Jul 28, 2021 Direct F1
transaction RLYB Common Stock Other +437K 437K Jul 28, 2021 See Footnote F1, F2
transaction RLYB Common Stock Purchase $55.6K +5.5K +2.02% $10.10 278K Jan 10, 2022 Direct F3
transaction RLYB Common Stock Purchase $47.9K +4.5K +1.62% $10.65 283K Jan 11, 2022 Direct F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction RLYB Common Units Other -2.26M -100% 0 Jul 28, 2021 Common Stock 273K Direct F1
transaction RLYB Common Units Other -2.56M -100% 0 Jul 28, 2021 Common Stock 380K See Footnote F1, F2
transaction RLYB Series A-1 Preferred Units Other -150K -100% 0 Jul 28, 2021 Common Stock 23.6K See Footnote F1, F2
transaction RLYB Series A-2 Preferred Units Other -100K -100% 0 Jul 28, 2021 Common Stock 15.7K See Footnote F1, F2
transaction RLYB Series B Preferred Units Other -108K -100% 0 Jul 28, 2021 Common Stock 16.9K See Footnote F1, F2
transaction RLYB Option (Right to Buy) Award $0 +160K $0.00 160K Jul 28, 2021 Common Stock 160K $13.00 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Common Units, Series A-1 Preferred Units, Series A-2 Preferred Units and Series B Preferred Units (collectively with the Series A-1 Preferred Units and Series A-2 Preferred Units, the "Preferred Units") reported herein were units of Rallybio Holdings, LLC. The shares of common stock of the Issuer were received on July 28, 2021 pursuant to the Plan of Liquidation and Dissolution, dated July 28, 2021, among Rallybio Holdings, LLC and its members (the "Plan of Liquidation"). Pursuant to the Plan of Liquidation, the holders of Common Units, on an aggregate basis, received approximately 7.38 shares of common stock of the Issuer for each Common Unit and approximately 6.37 shares of common stock of the Issuer for each Preferred Unit. Rallybio Holdings, LLC was subsequently dissolved. The Common Units and Preferred Units had no expiration date prior to the liquidation.
F2 Shares of common stock are held directly by a limited liability company, of which Martin Mackay is the managing member. As a result, Dr. Mackay may be deemed to share beneficial ownership of the shares held by the limited liability company.
F3 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.66 to $10.65, inclusive. The reporting person undertakes to provide to Rallybio Corporation, any security holder of Rallybio Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (3) and (4) to this Form 4.
F4 The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $10.01 to $11.00, inclusive.
F5 The option vests as to 25% of the underlying shares of Common Stock on July 28, 2022 and as to the remaining 75% of the underlying shares of Common Stock in 36 equal monthly installments thereafter.