Transaction · 0001193125-26-426872

Boudreau Helen M

Boudreau Helen M, DIR, reported a transaction classified as exercise at Rallybio Corp involving 2062.000000 shares for an estimated $31507.36. Reported holdings after the transaction were 8604.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MDIR
RLYBRallybio Corp
Trade date
Oct 16, 2026
Filing date
Oct 20, 2026
View on SEC Insider profile
Estimated value$31.5kShares × reported price
Shares traded2.06k$15.28 per share
Holdings after8.60kDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Calculated only for code-P purchases and code-S sales.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

RLYB price since this filing

Daily closing prices, with the filing date and available return windows
RLYB · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago1w ago +3.9%1d ago +2.4%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001193125-26-426872
Common Stock
Transaction date
Oct 16, 2026
Filed Oct 20, 2026, 09:29 PM · 4d delay
Shares
2,062 sh
$15.28 per share
Estimated value
$31.5k
Computed from shares × price
Holdings after
8,604 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership
Filing-only score

+6 points

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The option was granted under the Company's 2021 Equity Incentive Plan. The option vests on the earlier of May 15, 2025 or the date of the Company's 2025 Annual Meeting of Stockholders.

Original filing · 0001193125-26-426872
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