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CIK 0001739410 · <br>Emerging growth company

Rallybio Corp

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Ticker
RLYB
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
851083789
Phone
203- 859-3820
Business address
234 CHURCH STREET, SUITE 1020, NEW HAVEN, CT, 06510
Former names
Rallybio Holdings, LLC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$9,608
in 1 filing

Net −$9,608. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Lieber Jonathan I −$10K Chief Financial Officer sold 4% of stake
Date Insider Transaction Shares Price Value Owned after
2026-11-04 MACKAY MARTIN Director Option exercise +11,607 $7.60 $88K 103,415
2026-11-04 MACKAY MARTIN Director Option exercise +3,562 $2.38 $8K 106,977
2026-11-04 MACKAY MARTIN Director Option exercise +18,055 $4.45 $80K 125,032
2026-11-04 MACKAY MARTIN Director Option exercise · Option (Right to Buy) −11,607 $5.60 $65K 0
2026-11-04 MACKAY MARTIN Director Option exercise · Option (Right to Buy) −3,562 0
2026-11-04 MACKAY MARTIN Director Option exercise · Option (Right to Buy) −18,055 $3.60 $65K 0
2026-11-04 HUNT RONALD Director Option exercise +14,305 $4.45 $64K 29,125
2026-11-04 HUNT RONALD Director Option exercise · Option (Right to Buy) −14,305 $3.60 $51K 0
2026-11-02 Lieber Jonathan I Chief Financial Officer Option exercise +7,124 $14.88 $106K 44,139
2026-11-02 Lieber Jonathan I Chief Financial Officer Option exercise · Option (Right to Buy) −7,124 0
2026-10-29 Lieber Jonathan I Chief Financial Officer Option exercise +7,875 $14.88 $117K 23,426
2026-10-29 Lieber Jonathan I Chief Financial Officer Option exercise +13,589 $6.08 $83K 37,015
2026-10-29 Lieber Jonathan I Chief Financial Officer Option exercise · Option (Right to Buy) −7,875 0
2026-10-29 Lieber Jonathan I Chief Financial Officer Option exercise · Option (Right to Buy) −13,589 0
2026-10-29 HUNT RONALD Director Option exercise +3,562 $2.38 $8K 3,562
2026-10-29 HUNT RONALD Director Option exercise +9,196 $7.60 $70K 12,758
2026-10-29 HUNT RONALD Director Option exercise +2,062 $15.28 $32K 14,820
2026-10-29 HUNT RONALD Director Option exercise · Option (Right to Buy) −3,562 0
2026-10-29 HUNT RONALD Director Option exercise · Option (Right to Buy) −9,196 $5.60 $51K 0
2026-10-29 HUNT RONALD Director Option exercise · Option (Right to Buy) −2,062 0

Page 1 of 11 · 216 trades