SCHEDULE 13D/A Filed 2026-09-21 Event 2026-09-17 SEC 0001193125-26-397057 →

Apeiron Investment Group Ltd. → Enhanced Group Inc. ENHA

Stake: 34.30% Shares: 48,697,705 CUSIP: 29333R107 Class: Class A Common Stock

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

27 transactions

23 buys · 0 sales · 0 awards/exercises

Issuer Cluster

7 13D/G filings on this issuer

6 other filings besides this one

Filer Track Record

11 filings by this filer

10 other filings in the data moat

Short Interest · settle 2026-09-30

DTC 3.36

2,922,431 shares short · +64.7% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-10-06	Eisenberg Anthony D.	director	Award	266,188	—	—
2026-10-06	Han Juliette	director	Award	266,188	—	—
2026-10-06	Sepso Michael	director	Award	266,188	—	—
2026-10-06	Simpson James Gaskill	director	Award	266,188	—	—
2026-09-17	Apeiron Investment Group Ltd.	director, 10%+ owner	Buy	6,080,047	$1.15	$6.99M
2026-08-19	Apeiron Investment Group Ltd.	director, 10%+ owner	Buy	1,619,316	$1.66	$2.69M
2026-08-19	Apeiron Investment Group Ltd.	director, 10%+ owner	Buy	55,000	$1.64	$90K
2026-08-18	Apeiron Investment Group Ltd.	director, 10%+ owner	Buy	93,000	$1.70	$158K
2026-08-14	Apeiron Investment Group Ltd.	director, 10%+ owner	Buy	150,000	$1.97	$296K
2026-08-14	Apeiron Investment Group Ltd.	director, 10%+ owner	Award	2,120,823	—	—
2026-08-14	Apeiron Investment Group Ltd.	director, 10%+ owner	Award	2,120,823	$3.89	$8.25M
2026-05-07	ASPAC IV (Holdings) Corp.	10%+ owner	C	7,116,667	—	—
2026-05-07	Adams Richard Welker III	officer	Award	570,159	$1.23	$701K
2026-05-07	Banthiya Siddhartha	director, officer	Award	570,159	$1.23	$701K
2026-05-07	Martin Maximilian	director, officer	Award	10,151,943	—	—
2026-05-07	Jones Christopher Robert	officer	Award	380,106	$1.23	$468K
2026-05-07	MURREN JAMES	director	Award	6,020,814	—	—
2026-05-07	Tabak Emily N	officer	Award	570,159	$1.23	$701K
2026-05-07	Apeiron Investment Group Ltd.	director, 10%+ owner	Award	29,692,247	—	—
2026-05-07	Apeiron Investment Group Ltd.	director, 10%+ owner	Award	258,837,933	—	—
2026-05-07	Apeiron Investment Group Ltd.	director, 10%+ owner	Award	212,499	$10.00	$2.12M
2026-05-07	ASPAC IV (Holdings) Corp.	10%+ owner	C	6,666,667	—	—
2026-05-07	ASPAC IV (Holdings) Corp.	10%+ owner	C	400,000	—	—
2026-05-07	ASPAC IV (Holdings) Corp.	10%+ owner	C	50,000	—	—
2026-05-07	MURREN JAMES	director	Award	167,246	$1.23	$206K

Showing 25 of 27

Other 13D/G Filings on Enhanced Group Inc.

Filed	Form	Filer	Stake	Shares
2026-08-20	SCHEDULE 13D/A	Apeiron Investment Group Ltd.	31.50%	42,304,838	view →
2026-08-18	SCHEDULE 13D/A	Martin Maximilian	9.60%	—	view →
2026-07-24	SCHEDULE 13D/A	Apeiron Investment Group Ltd.	26.60%	35,945,876	view →
2026-06-16	SCHEDULE 13D/A	Apeiron Investment Group Ltd.	24.40%	29,904,746	view →
2026-05-14	SCHEDULE 13D	Apeiron Investment Group Ltd.	24.40%	29,904,746	view →
2026-05-14	SCHEDULE 13D	Martin Maximilian	—	10,151,943	view →

Other Filings by Apeiron Investment Group Ltd.

Filed	Form	Issuer	Stake	Shares
2026-09-14	SCHEDULE 13D/A	AtaiBeckley Inc.	—	0	view →
2026-08-20	SCHEDULE 13D/A	Enhanced Group Inc.	31.50%	42,304,838	view →
2026-07-24	SCHEDULE 13D/A	Enhanced Group Inc.	26.60%	35,945,876	view →
2026-07-17	SCHEDULE 13D/A	AtaiBeckley Inc.	15.40%	55,770,948	view →
2026-06-16	SCHEDULE 13D/A	Enhanced Group Inc. ENHA	24.40%	29,904,746	view →
2026-05-14	SCHEDULE 13D	Enhanced Group Inc. ENHA	24.40%	29,904,746	view →
2025-01-28	SCHEDULE	Neuphoria Therapeutics Inc. NEUP	4.50%	72,618	view →
2024-10-07	SC	BIONOMICS LIMITED/FI NEUP	—	—	view →
2023-05-23	SC	Sensei Biotherapeutics, Inc. SNSE	—	—	view →
2022-11-21	SC	Sensei Biotherapeutics, Inc. SNSE	—	—	view →

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