Hong Gan

CIK: 0001907008

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (33.3%)

Position reduction

Option Exercises (M)5 (33.3%)

Derivative conversions

Awards (A)1 (6.7%)

Compensation grants

Other (G, F, J, C, D, …)4 (26.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SES

SES AI Corp

Officer

Discretionary Trading P&L

Holdings

Transaction History (15 total)

SES
SES AI Corp
Apr 14, 2026
Tax Payment(F)
Direct
32.1K shares at avg. $1.10$35K
SES
SES AI Corp
Feb 9, 2026
Tax Payment(F)
Direct
63.3K shares at avg. $1.99$126K
SES
SES AI Corp
Jan 23, 2026
Sale(S)
Direct
100K shares at avg. $2.50$250K
SES
SES AI Corp
Jan 23, 2026
Exercise(M)
Direct
100K shares at avg. $0.16$16K
SES
SES AI Corp
Jan 22, 2026
Exercise(M)
Direct
150K shares at avg. $0.16$24K
SES
SES AI Corp
Jan 22, 2026
Sale(S)
Direct
150K shares at avg. $2.50$374K
SES
SES AI Corp
Dec 15, 2025
Exercise(M)
Direct
93.3K shares at avg. $0.15$14K
SES
SES AI Corp
Dec 15, 2025
Exercise(M)
Direct
6.7K shares at avg. $0.16$1K
SES
SES AI Corp
Dec 15, 2025
Sale(S)
Direct
100K shares at avg. $1.98$198K
SES
SES AI Corp
Nov 17, 2025
Sale(S)
Direct
150K shares at avg. $1.90$285K
SES
SES AI Corp
Nov 17, 2025
Exercise(M)
Direct
150K shares at avg. $0.15$23K
SES
SES AI Corp
Apr 18, 2025
Tax Payment(F)
Direct
41.3K shares at avg. $0.69$28K
SES
SES AI Corp
Apr 17, 2025
Tax Payment(F)
Direct
30.9K shares at avg. $0.62$19K
SES
SES AI Corp
Mar 28, 2025
Award(A)
Direct
500K shares-
SES
SES AI Corp
Feb 10, 2025
Sale(S)
Direct
51.6K shares at avg. $1.17$60K

		Type	Shares	Price		Ownership
Apr 14, 2026	SES SES AI Corp	Tax Payment(F)	32,138	$1.10	$35,352	Direct
Feb 9, 2026	SES SES AI Corp	Tax Payment(F)	63,290	$1.99	$125,947	Direct
Jan 23, 2026	SES SES AI Corp	Sale(S)	100,000	$2.50	$250,320	Direct
Jan 23, 2026	SES SES AI Corp	Exercise(M)	100,000	$0.16	$16,000	Direct
Jan 22, 2026	SES SES AI Corp	Exercise(M)	150,000	$0.16	$24,000	Direct
Jan 22, 2026	SES SES AI Corp	Sale(S)	150,000	$2.50	$374,385	Direct
Dec 15, 2025	SES SES AI Corp	Exercise(M)	93,277	$0.15	$13,992	Direct
Dec 15, 2025	SES SES AI Corp	Exercise(M)	6,723	$0.16	$1,076	Direct
Dec 15, 2025	SES SES AI Corp	Sale(S)	100,000	$1.98	$197,890	Direct
Nov 17, 2025	SES SES AI Corp	Sale(S)	150,000	$1.90	$285,225	Direct
Nov 17, 2025	SES SES AI Corp	Exercise(M)	150,000	$0.15	$22,500	Direct
Apr 18, 2025	SES SES AI Corp	Tax Payment(F)	41,294	$0.69	$28,291	Direct
Apr 17, 2025	SES SES AI Corp	Tax Payment(F)	30,926	$0.62	$19,221	Direct
Mar 28, 2025	SES SES AI Corp	Award(A)	500,000	-	-	Direct
Feb 10, 2025	SES SES AI Corp	Sale(S)	51,600	$1.17	$60,439	Direct

1-15 of 15 transactions

About Gan Hong

Gan Hong (SEC CIK 0001907008) files insider reports with the SEC as CHIEF SCIENCE OFFICER of SES AI Corp (SES).

Signal8 holds 8 ownership filings by Gan Hong, all Form 4s, filed between Feb 11, 2025 and Apr 16, 2026. Those filings report 15 transactions, from Feb 10, 2025 to Apr 14, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Gan Hong's filings is in WOBURN, MA.

Recent filings by Gan Hong

Apr 14, 2026: Tax withholding of SES shares (Form 4, code F).
Feb 9, 2026: Tax withholding of SES shares (Form 4, code F).
Jan 23, 2026: Open-market sale of SES shares (Form 4, code S).
Jan 23, 2026: Option exercise of SES shares (Form 4, code M).
Jan 22, 2026: Option exercise of SES shares (Form 4, code M).

Other insiders filing for SES AI Corp (SES)

Diemer Paul, Director
Xu Kang, CHIEF TECHNOLOGY OFFICER
Pilkington Kyle, CHIEF LEGAL OFFICER
Liu Yi Ray, CHIEF FINANCIAL OFFICER
Hu Qichao, CEO & CHAIRMAN
Boyd Andrew J, Director

How to read Form 4 transaction codes