UDEN STEPHEN (See Remarks) purchased 1.4% of their position (10K shares) of RALLYBIO CORP on the open market

Open‑market purchase worth $98.5K — a small addition. The strongest form of insider conviction signal.

P · 3 purchases

UDEN STEPHEN

Filed: 1/14/2022ACC: 0000899243-22-002043

InsiderUDEN STEPHENCIK 1332141

→

IssuerRALLYBIO CORPCIK 1739410

Officer· See Remarks

Since Jul 2021

-4.30M

Net shares

Net seller

$98.5K

Total acquired

Open market trades

3B · 0S

Total transactions

879.13K acquired · 5.18M disposed

Non-Derivative Transactions4

Common Stock

Direct

J · J

+709.13K

Price / share

—

Trade value

—

% of position

New position

7/28/2021

0.00→709.13K

Common Stock

Direct

P · Purchase

+5K

Price / share

$10.55

Trade value

$52.75K

% of position

0.7%

1/12/2022

709.13K→714.13K

Common Stock

Direct

P · Purchase

+4.19K

Price / share

$9.06

Trade value

$37.99K

% of position

0.6%

1/13/2022

714.13K→718.32K

Common Stock

Direct

P · Purchase

+807.00

Price / share

$9.62

Trade value

$7.76K

% of position

0.1%

1/13/2022

718.32K→719.13K

Total

Net shares

+719.13K

Net value

$98.50K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	7/28/2021	J · J	+709.13K	—	—	New position	0.00	709.13K
Common Stock Direct	1/12/2022	P · Purchase	+5K	$10.55	$52.75K	0.7%	709.13K	714.13K
Common Stock Direct	1/13/2022	P · Purchase	+4.19K	$9.06	$37.99K	0.6%	714.13K	718.32K
Common Stock Direct	1/13/2022	P · Purchase	+807.00	$9.62	$7.76K	0.1%	718.32K	719.13K
Total			+719.13K		$98.50K

Derivative Transactions5

Common Units

Direct

J · J

Converts to

Common Stock

652.92K shares

−4.82M

Strike price

Held after

0.00

Exercisable

—

7/28/2021

Series A-1 Preferred Units

Direct

J · J

Converts to

Common Stock

23.56K shares

−150K

Strike price

Held after

0.00

Exercisable

—

7/28/2021

Series A-2 Preferred Units

Direct

J · J

Converts to

Common Stock

15.70K shares

−100K

Strike price

Held after

0.00

Exercisable

—

7/28/2021

Series B Preferred Units

Direct

J · J

Converts to

Common Stock

16.94K shares

−107.89K

Strike price

Held after

0.00

Exercisable

—

7/28/2021

Option (Right to Buy)

Direct

A · Award

Converts to

Common Stock

160K shares

+160K

Strike price

13.00

Held after

160K

Exercisable

—

7/28/2021

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Common Units Direct	Common Stock652.92K shares	7/28/2021	J · J	−4.82M		—	0.00
Series A-1 Preferred Units Direct	Common Stock23.56K shares	7/28/2021	J · J	−150K		—	0.00
Series A-2 Preferred Units Direct	Common Stock15.70K shares	7/28/2021	J · J	−100K		—	0.00
Series B Preferred Units Direct	Common Stock16.94K shares	7/28/2021	J · J	−107.89K		—	0.00
Option (Right to Buy) Direct	Common Stock160K shares	7/28/2021	A · Award	+160K	13.00	—	160K