Form 4 for ODTX Odyssey Therapeutics, Inc.

Accepted 2026-05-11 20:30:04 ET · period of report 2026-05-07 · accession 0001193125-26-217584 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-05-11 20:30	2026-05-11	ODTX	Opipari Anthony W.	See Remarks	C - Cnv Deriv	—	+6,965	6,965	New	—
D	2026-05-11 20:30	2026-05-11	ODTX	Opipari Anthony W.	See Remarks	M - OptEx	—	+541	7,506	+8%	—
D	2026-05-11 20:30	2026-05-11	ODTX	Opipari Anthony W.	See Remarks	F - Tax	$18.00	-4	7,502	-0.1%	-$72
DM	2026-05-11 20:30	2026-05-11	ODTX	Opipari Anthony W.	See Remarks	C - Cnv Deriv	—	-67.2K	0	-100%	—
DM	2026-05-11 20:30	2026-05-07	ODTX	Opipari Anthony W.	See Remarks	A - Grant	$0.00	+278.0K	27.8K	New	$0
D	2026-05-11 20:30	2026-05-11	ODTX	Opipari Anthony W.	See Remarks	M - OptEx	—	-5,263	0	-100%	—

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-05-11	C	A	6,965	—	6,965	D	—	—	(F1) The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F2) The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. (F3) The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F4) The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration.
2	Common	Common Stock	2026-05-11	M	A	541	—	7,506	D	—	—	(F5) The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis.
3	Common	Common Stock	2026-05-11	F	D	4	$18.00	7,502	D	—	—	(F5) The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis. (F6) Pursuant to the terms of the warrants, the Issuer withheld 4 warrant shares to pay the exercise price in connection with the net exercise.
4	Derivative	Series A Convertible Preferred Stock	2026-05-11	C	D	18,531	—	0	D	— · — to —	1,907 Common Stock	(F1) The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F1) The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F1) The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F1) The Series A Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F7) Gives effect to the 1-for-9.7170 reverse stock split effected prior to the closing of the Issuer's initial public offering.
5	Derivative	Series B Convertible Preferred Stock	2026-05-11	C	D	11,083	—	0	D	— · — to —	1,194 Common Stock	(F2) The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. (F2) The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. (F2) The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. (F2) The Series B Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.2837 basis for no additional consideration. (F7) Gives effect to the 1-for-9.7170 reverse stock split effected prior to the closing of the Issuer's initial public offering.
6	Derivative	Series C Convertible Preferred Stock	2026-05-11	C	D	20,000	—	0	D	— · — to —	2,058 Common Stock	(F3) The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F3) The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F3) The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F3) The Series C Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F7) Gives effect to the 1-for-9.7170 reverse stock split effected prior to the closing of the Issuer's initial public offering.
7	Derivative	Series D Convertible Preferred Stock	2026-05-11	C	D	17,545	—	0	D	— · — to —	1,806 Common Stock	(F4) The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F4) The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F4) The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F4) The Series D Preferred Stock automatically converted into Common Stock immediately prior to the closing of the Issuer's initial public offering on a 1-for-9.7170 basis for no additional consideration. (F7) Gives effect to the 1-for-9.7170 reverse stock split effected prior to the closing of the Issuer's initial public offering.
8	Derivative	Stock Option (Right to Buy)	2026-05-07	A	A	250,203	$0.00	250,203	D	$18.00 · — to 2036-05-06	250,203 Common Stock	(F8) Option vests in forty-eight (48) equal monthly installments, with the first installment scheduled to vest on June 7, 2026, subject to the Reporting Person's continued service on each such vesting date.
9	Derivative	Stock Option (Right to Buy)	2026-05-07	A	A	27,777	$0.00	27,777	D	$18.00 · — to 2036-05-06	27,777 Common Stock	(F9) Option vests upon the first occurrence of the total market capitalization of the Issuer being equal to or in excess of $1,500,000,000, based on a 5-day volume-weighted average price of a share of Common Stock as traded on the Nasdaq Capital Market, subject to the Reporting Person's continued service on such vesting date.
10	Derivative	Series D Warrants (Right to Buy)	2026-05-11	M	D	5,263	—	0	D	$0.1 · — to —	541 Common Stock	(F5) The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis. (F5) The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis. (F5) The warrants to purchase shares of common stock were automatically exercised into shares of Common Stock by their terms immediately prior to the closing of the Issuer's initial public offering on a net exercise basis.