Skip to content

Insider · CIK 0001357717

Mark D Griffin

officer

Files at TLS (TELOS CORP). First filing -, latest -.

In brief

Mark D Griffin files SEC Form 4 as officer at TLS (TELOS CORP). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Mark D Griffin has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, 17 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 26, 2026TLS
TELOS CORP
AGrant or award
Common Stock
+106,763$0.00$01,454,253May 27, 2026
May 26, 2026TLS
TELOS CORP
AGrant or award
Performance-Based RSUsderivative
+160,145$0.00$0160,145May 27, 2026
May 16, 2026TLS
TELOS CORP
FTax withholding
Common Stock
-77,097$4.20$324k1,347,490May 19, 2026
Mar 18, 2026TLS
TELOS CORP
AGrant or award
Common Stock
+113,716$0.00$01,475,873Mar 20, 2026
Mar 19, 2026TLS
TELOS CORP
FTax withholding
Common Stock
-51,286$4.27$219k1,424,587Mar 20, 2026
Feb 2, 2026TLS
TELOS CORP
AGrant or award
Common Stock
+379,920$0.00$01,534,913Feb 4, 2026
Feb 2, 2026TLS
TELOS CORP
FTax withholding
Common Stock
-172,756$5.53$955k1,362,157Feb 4, 2026
Oct 20, 2025TLS
TELOS CORP
AGrant or award
Common Stock
+90,189$0.00$01,090,582Oct 21, 2025
Oct 20, 2025TLS
TELOS CORP
MOption exercise
Common Stock
+191,417--1,281,999Oct 21, 2025
Oct 20, 2025TLS
TELOS CORP
FTax withholding
Common Stock
-127,006$7.10$902k1,154,993Oct 21, 2025
Oct 20, 2025TLS
TELOS CORP
MOption exercise
Performance-Based RSUsderivative
-191,417--861,377Oct 21, 2025
Jul 1, 2025TLS
TELOS CORP
AGrant or award
Common Stock
+67,642$3.12$211k1,030,900Jul 2, 2025
Jul 1, 2025TLS
TELOS CORP
FTax withholding
Common Stock
-30,507$3.12$95k1,000,393Jul 2, 2025
Jun 11, 2025TLS
TELOS CORP
AGrant or award
Performance-Based RSUsderivative
+380,373$0.00$0380,373Jun 13, 2025
May 16, 2025TLS
TELOS CORP
FTax withholding
Common Stock
-77,097$2.71$209k963,258May 19, 2025
Apr 14, 2025TLS
TELOS CORP
AGrant or award
Common Stock
+45,094$2.48$112k1,061,972Apr 15, 2025
Apr 14, 2025TLS
TELOS CORP
FTax withholding
Common Stock
-21,617$2.48$54k1,040,355Apr 15, 2025

Questions about Mark D Griffin

Answered from the filings on this page, as of the latest one.

Is Mark D Griffin buying or selling?

Mark D Griffin has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Mark D Griffin's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Mark D Griffin has 0.

Where does Mark D Griffin file Form 4?

Mark D Griffin has filed Form 4 at TLS (TELOS CORP) as EVP, Security Solutions. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Mark D Griffin: insider trades and track record | InsiderTell