Kenneth L Erdmann
CIK 1522847 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 25, 2011 · Latest: Oct. 25, 2011
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 4 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 23, 2011 | MTRX | F | 115 | $10.36 | $1,191 | 12,631 Direct | -0.90% | Disposed | 9.4% (price as of 2026-08-20) |
| Oct. 23, 2011 | MTRX | F | 28 | $10.36 | $290 | 12,746 Direct | -0.22% | Disposed | 9.4% (price as of 2026-08-20) |
| Oct. 22, 2011 | MTRX | F | 52 | $10.36 | $539 | 12,774 Direct | -0.41% | Disposed | 9.4% (price as of 2026-08-20) |
| Oct. 21, 2011 | MTRX | F | 159 | $10.36 | $1,647 | 12,826 Direct | -1.22% | Disposed | 9.4% (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 9, 2011 | MTRX | COMMON STOCK [F1] | 12,985 | Direct |
| June 9, 2011 | MTRX | INCENTIVE STOCK OPTION (Right To Buy) [F1]→ COMMON STOCK [F1] (800) | 800 | Direct |
| June 9, 2011 | MTRX | INCENTIVE STOCK OPTION (Right To Buy) [F1]→ COMMON STOCK [F1] (1,200) | 1,200 | Direct |
| June 9, 2011 | MTRX | INCENTIVE STOCK OPTION (Right To Buy) [F1]→ COMMON STOCK [F1] (1,600) | 1,600 | Direct |
| June 9, 2011 | MTRX | INCENTIVE STOCK OPTION (Right To Buy) [F1]→ COMMON STOCK [F1] (800) | 800 | Direct |