Kieran Brennan

CIK: 0001729129

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)17 (73.9%)

Position reduction

Option Exercises (M)1 (4.3%)

Derivative conversions

Awards (A)2 (8.7%)

Compensation grants

Other (G, F, J, C, D, …)3 (13.0%)

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

Companies & Roles (1)

TSSI

TSS, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (23 total)

TSSI
TSS, Inc.
Jun 1, 2026
Sale(S)
Direct
10K shares at avg. $16.00$160K
TSSI
TSS, Inc.
Mar 23, 2026
Tax Payment(F)
Direct
304 shares at avg. $12.40$4K
TSSI
TSS, Inc.
Mar 23, 2026
Award(A)
Direct
2.5K shares-
TSSI
TSS, Inc.
Mar 16, 2026
Sale(S)
Direct
12K shares at avg. $12.27$147K
TSSI
TSS, Inc.
Feb 24, 2026
Tax Payment(F)
Direct
9K shares at avg. $8.45$76K
TSSI
TSS, Inc.
Jan 14, 2026
Award(A)
Direct
12.2K shares-
TSSI
TSS, Inc.
Jun 10, 2025
Sale(S)
Direct
5K shares at avg. $21.10$106K
TSSI
TSS, Inc.
Jun 3, 2025
Sale(S)
Direct
5K shares at avg. $15.00$75K
TSSI
TSS, Inc.
Jun 1, 2025
Sale(S)
Direct
5K shares at avg. $14.50$73K
TSSI
TSS, Inc.
May 30, 2025
Sale(S)
Direct
15K shares at avg. $13.89$208K
TSSI
TSS, Inc.
May 28, 2025
Sale(S)
Direct
5K shares at avg. $13.50$68K
TSSI
TSS, Inc.
May 23, 2025
Sale(S)
Direct
10K shares at avg. $13.07$131K
TSSI
TSS, Inc.
Dec 12, 2024
Sale(S)
Direct
26.5K shares at avg. $9.69$256K
TSSI
TSS, Inc.
Dec 11, 2024
Sale(S)
Direct
46.5K shares at avg. $9.35$434K
TSSI
TSS, Inc.
Nov 25, 2024
Sale(S)
Direct
46.7K shares at avg. $8.10$378K
TSSI
TSS, Inc.
Nov 19, 2024
Sale(S)
Direct
32.7K shares at avg. $7.89$258K
TSSI
TSS, Inc.
Sep 13, 2024
Sale(S)
Direct
45K shares at avg. $5.09$229K
TSSI
TSS, Inc.
Sep 12, 2024
Sale(S)
Direct
15.1K shares at avg. $4.88$74K
TSSI
TSS, Inc.
Sep 11, 2024
Sale(S)
Direct
27.5K shares at avg. $4.82$132K
TSSI
TSS, Inc.
Sep 10, 2024
Sale(S)
Direct
10K shares at avg. $4.88$49K
TSSI
TSS, Inc.
Sep 9, 2024
Sale(S)
Direct
35K shares at avg. $5.13$180K
TSSI
TSS, Inc.
Aug 29, 2024
Tax Payment(F)
Direct
84.7K shares at avg. $5.19$440K
TSSI
TSS, Inc.
Aug 29, 2024
Exercise(M)
Direct
250K shares at avg. $0.49$123K

		Type	Shares	Price		Ownership
Jun 1, 2026	TSSI TSS, Inc.	Sale(S)	10,000	$16.00	$160,014	Direct
Mar 23, 2026	TSSI TSS, Inc.	Tax Payment(F)	304	$12.40	$3,770	Direct
Mar 23, 2026	TSSI TSS, Inc.	Award(A)	2,500	-	$0	Direct
Mar 16, 2026	TSSI TSS, Inc.	Sale(S)	12,000	$12.27	$147,240	Direct
Feb 24, 2026	TSSI TSS, Inc.	Tax Payment(F)	9,019	$8.45	$76,211	Direct
Jan 14, 2026	TSSI TSS, Inc.	Award(A)	12,181	-	$0	Direct
Jun 10, 2025	TSSI TSS, Inc.	Sale(S)	5,025	$21.10	$106,028	Direct
Jun 3, 2025	TSSI TSS, Inc.	Sale(S)	5,000	$15.00	$75,000	Direct
Jun 1, 2025	TSSI TSS, Inc.	Sale(S)	5,000	$14.50	$72,500	Direct
May 30, 2025	TSSI TSS, Inc.	Sale(S)	15,000	$13.89	$208,325	Direct
May 28, 2025	TSSI TSS, Inc.	Sale(S)	5,000	$13.50	$67,500	Direct
May 23, 2025	TSSI TSS, Inc.	Sale(S)	10,000	$13.07	$130,675	Direct
Dec 12, 2024	TSSI TSS, Inc.	Sale(S)	26,455	$9.69	$256,330	Direct
Dec 11, 2024	TSSI TSS, Inc.	Sale(S)	46,470	$9.35	$434,304	Direct
Nov 25, 2024	TSSI TSS, Inc.	Sale(S)	46,675	$8.10	$377,853	Direct
Nov 19, 2024	TSSI TSS, Inc.	Sale(S)	32,720	$7.89	$258,014	Direct
Sep 13, 2024	TSSI TSS, Inc.	Sale(S)	45,000	$5.09	$229,127	Direct
Sep 12, 2024	TSSI TSS, Inc.	Sale(S)	15,110	$4.88	$73,791	Direct
Sep 11, 2024	TSSI TSS, Inc.	Sale(S)	27,450	$4.82	$132,389	Direct
Sep 10, 2024	TSSI TSS, Inc.	Sale(S)	10,000	$4.88	$48,816	Direct
Sep 9, 2024	TSSI TSS, Inc.	Sale(S)	35,000	$5.13	$179,596	Direct
Aug 29, 2024	TSSI TSS, Inc.	Tax Payment(F)	84,720	$5.19	$439,697	Direct
Aug 29, 2024	TSSI TSS, Inc.	Exercise(M)	250,000	$0.49	$122,500	Direct

1-23 of 23 transactions

About Brennan Kieran

Brennan Kieran (SEC CIK 0001729129) files insider reports with the SEC as Senior Vice President of TSS, Inc. (TSSI).

Signal8 holds 16 ownership filings by Brennan Kieran, all Form 4s, filed between Sep 3, 2024 and Jun 2, 2026. Those filings report 23 transactions, from Aug 29, 2024 to Jun 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Brennan Kieran's filings is in GEORGETOWN, TX.

Recent filings by Brennan Kieran

Jun 1, 2026: Open-market sale of TSSI shares (Form 4, code S).
Mar 23, 2026: Tax withholding of TSSI shares (Form 4, code F).
Mar 23, 2026: Grant or award of TSSI shares (Form 4, code A).
Mar 16, 2026: Open-market sale of TSSI shares (Form 4, code S).
Feb 24, 2026: Tax withholding of TSSI shares (Form 4, code F).

Other insiders filing for TSS, Inc. (TSSI)

CHISM DANIEL M, Chief Financial Officer
Woodward Peter H, Director
Dewan Darryll E, Chief Executive Officer
MARROTT KARL TODD, Chief Operating Officer
FAHY MICHAEL JOHN, Director
Metzler Richard M., Director

How to read Form 4 transaction codes