William C. Kirby

CIK: 0001413483

Transaction Breakdown

Open Market Buys (P)1 (33.3%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (66.7%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

TWN

TAIWAN FUND INC

Director

CBT

CABOT CORP

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

TWN
TAIWAN FUND INC
Feb 26, 2026
Purchase(P)
Direct
50.7K shares at avg. $64.90$3.3M
CBT
CABOT CORP
Jan 8, 2026
Award(A)
Direct
486 shares-
CBT
CABOT CORP
Jan 10, 2025
Award(A)
Direct
1.8K shares-

		Type	Shares	Price		Ownership
Feb 26, 2026	TWN TAIWAN FUND INC	Purchase(P)	50,687	$64.90	$3,289,580	Direct
Jan 8, 2026	CBT CABOT CORP	Award(A)	486	-	$0	Direct
Jan 10, 2025	CBT CABOT CORP	Award(A)	1,788	-	$0	Direct

1-3 of 3 transactions

About Kirby William C.

Kirby William C. (SEC CIK 0001413483) files insider reports with the SEC as Director of TAIWAN FUND INC (TWN) and Director of CABOT CORP (CBT).

Signal8 holds 3 ownership filings by Kirby William C., all Form 4s, filed between Jan 14, 2025 and Feb 27, 2026. Those filings report 3 transactions, from Jan 10, 2025 to Feb 26, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Kirby William C.'s filings is in LEXINGTON, MA.

Recent filings by Kirby William C.

Feb 26, 2026: Open-market purchase of TWN shares (Form 4, code P).
Jan 8, 2026: Grant or award of CBT shares (Form 4, code A).
Jan 10, 2025: Grant or award of CBT shares (Form 4, code A).

Other insiders filing for TAIWAN FUND INC (TWN)

Rigger Shelley E, Director
Andoh Yusuke, President

How to read Form 4 transaction codes