SCHEDULE 13D/A Filed 2026-10-22 Event 2026-10-16 SEC 0001829126-26-011443 →

Yao Yun → Indaptus Therapeutics, Inc. INDP

Stake: 27.34% Shares: 41,991,000 CUSIP: 45339J105 Class: Common Stock, par value $0.01 per share

Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 22/100

Active Schedule 13D filer baseline
High conviction ownership stake (27.3%)

Item 4 — Purpose of Transaction

The information set forth in Item 4 in the Initial Schedule 13D is incorporated herein by reference. This Amendment No. 3 is being filed to report a decrease of more than 1% in the percentage of the outstanding Common Stock beneficially owned by the Reporting Person, resulting solely from the issuance of 20,338,974 shares of Common Stock in connection with the closing of the Issuer's private placement on October 16, 2026, as reported in the Issuer's Current Report on Form 8-K filed with the SEC on October 20, 2026. The Reporting Person did not acquire or dispose of any shares of Common Stock in connection therewith.

Cross-References

Insider Activity (last 365d)

16 transactions

11 buys · 5 sales · 0 awards/exercises

Issuer Cluster

12 13D/G filings on this issuer

11 other filings besides this one

Filer Track Record

2 filings by this filer

1 other filing in the data moat

Short Interest · settle 2026-09-30

DTC 1.03

822,250 shares short · -10.3% vs prior

Form 4 Insider Transactions · last 365d

Date	Insider	Role	Type	Shares	Price	Value
2026-03-23	Lazar David E.	director	Sale	196,800	—	—
2026-03-23	Lazar David E.	director	Sale	700,000	—	—
2026-02-26	Jabbour Jerome D	director	Award	25,000	$2.06	$52K
2026-02-11	Meckler Jeffrey A	director, officer	Disposition	3,033	$47.60	$144K
2026-02-11	Meckler Jeffrey A	director, officer	Award	3,033	$1.75	$5K
2026-02-11	Meckler Jeffrey A	director, officer	Disposition	1,519	$29.40	$45K
2026-02-11	Meckler Jeffrey A	director, officer	Award	1,519	$1.75	$3K
2026-02-11	Meckler Jeffrey A	director, officer	Disposition	12,136	$8.30	$101K
2026-02-11	Meckler Jeffrey A	director, officer	Award	12,136	$1.75	$21K
2026-01-20	Ben-Tzvi Avraham	director	Award	25,000	—	—
2026-01-07	NATAN DAVID	director	Award	25,000	$2.69	$67K
2025-12-23	Ben-Tzvi Avraham	director	Award	25,000	$1.95	$49K
2025-12-22	Sassi Nir	officer	Award	26,758	$2.03	$54K
2025-12-22	Meckler Jeffrey A	director, officer, 10%+ owner	Award	216,617	$2.03	$440K
2025-12-22	Newman Michael James	director, officer	Award	52,204	$2.03	$106K
2025-12-22	Linscott Walt Addison	officer	Award	54,421	$2.03	$110K

Other 13D/G Filings on Indaptus Therapeutics, Inc.

Filed	Form	Filer	Stake	Shares
2026-10-22	SCHEDULE 13D/A	Dai Junyi	7.33%	11,250,000	view →
2026-10-22	SCHEDULE 13D/A	SINO LION VENTURES Ltd	—	38,895,000	view →
2026-10-21	SCHEDULE 13D/A	Yang Ting	—	9,948,173	view →
2026-06-26	SCHEDULE 13D/A	Yang Ting	8.44%	11,250,000	view →
2026-06-26	SCHEDULE 13D/A	Yao Yun	31.51%	41,991,000	view →
2026-06-26	SCHEDULE 13D/A	Dai Junyi	8.44%	11,250,000	view →
2026-06-26	SCHEDULE 13D/A	SINO LION VENTURES Ltd	29.19%	38,895,000	view →
2021-11-17	SC	Anderson Glen R.	—	—	view →
2021-10-26	SC	Lee Hoonmo	—	—	view →
2021-10-26	SC	Anderson Glen R.	—	—	view →
2021-10-26	SC	Newman Michael James	—	—	view →

Other Filings by Yao Yun

Filed	Form	Issuer	Stake	Shares
2026-06-26	SCHEDULE 13D/A	Indaptus Therapeutics, Inc. INDP	31.51%	41,991,000	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →