DTST insider transactions

Chairman and CEO Piluso Charles M. was granted 60,000 shares, increasing direct ownership by 24% to 310,032 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos was granted 60,000 shares, increasing direct ownership by 148% to 100,507 units (SEC Form 4)

Amendment: Chairman and CEO Piluso Charles M. was granted 160,600 shares, increasing direct ownership by 180% to 250,032 units (SEC Form 4)

Chairman and CEO Piluso Charles M. was granted 160,600 shares, increasing direct ownership by 180% to 250,032 units (SEC Form 4)

SEC Form 4 filed by Director Schwartz Harold J

SEC Form 4 filed by Director Grover Matthew

SEC Form 4 filed by Director Correll Todd A.

SEC Form 4 filed by Director Maglione Lawrence A.

SEC Form 4 filed by Director Mitchell Uwayne A.

SEC Form 4 filed by Director Stallone Nancy

SEC Form 4 filed by Director Argen John

SEC Form 4 filed by Director Kempster Thomas

SEC Form 4 filed by Director Stein Clifford

Director Argen John returned $297,476 worth of shares to the company (57,207 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Director Schwartz Harold J returned $4,658,555 worth of shares to the company (895,876 units at $5.20), decreasing direct ownership by 97% to 28,471 units (SEC Form 4)

Director Stein Clifford returned $1,460,420 worth of shares to the company (280,850 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Director Maglione Lawrence A. returned $128,710 worth of shares to the company (24,752 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Director Mitchell Uwayne A. returned $58,490 worth of shares to the company (11,248 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Director Stallone Nancy returned $58,490 worth of shares to the company (11,248 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Director Kempster Thomas returned $4,583,654 worth of shares to the company (881,472 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Chairman and CEO Piluso Charles M. returned $4,502,373 worth of shares to the company (865,841 units at $5.20), decreasing direct ownership by 78% to 89,432 units (SEC Form 4)

Director Grover Matthew returned $225,368 worth of shares to the company (43,340 units at $5.20), closing all direct ownership in the company (SEC Form 4)

Amendment: Director Grover Matthew covered exercise/tax liability with 10,202 shares, decreasing direct ownership by 19% to 43,340 units (SEC Form 4)

Director Schwartz Harold J exercised 36,823 shares at a strike of $2.33, increasing direct ownership by 4% to 937,582 units (SEC Form 4)

Director Grover Matthew exercised 20,627 shares at a strike of $2.43 and covered exercise/tax liability with 10,190 shares, increasing direct ownership by 32% to 43,352 units (SEC Form 4)

Director Maglione Lawrence A. sold $107,784 worth of shares (21,529 units at $5.01), exercised 24,167 shares at a strike of $2.38 and covered exercise/tax liability with 11,631 shares, decreasing direct ownership by 26% to 24,752 units (SEC Form 4)

Director Correll Todd A. covered exercise/tax liability with 10,156 shares, sold $51,936 worth of shares (10,471 units at $4.96) and exercised 20,627 shares at a strike of $2.43 (SEC Form 4)

Chairman and CEO Piluso Charles M. sold $100,312 worth of shares (20,089 units at $4.99), decreasing direct ownership by 5% to 413,291 units (SEC Form 4)

Director Kempster Thomas sold $34,185 worth of shares (6,846 units at $4.99), decreasing direct ownership by 0.78% to 871,972 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos sold $55,192 worth of shares (11,053 units at $4.99), decreasing direct ownership by 21% to 40,507 units (SEC Form 4)

Director Argen John exercised 11,670 shares at a strike of $2.69, increasing direct ownership by 34% to 46,252 units (SEC Form 4)

President Schwartz Harold J converted options into 13,236 shares, increasing direct ownership by 1% to 900,759 units (SEC Form 4)

Chairman and CEO Piluso Charles M. converted options into 19,221 shares, increasing direct ownership by 5% to 433,380 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos converted options into 10,467 shares, increasing direct ownership by 25% to 51,560 units (SEC Form 4)

EVP Kempster Thomas converted options into 13,236 shares, increasing direct ownership by 2% to 878,818 units (SEC Form 4)

Amendment: Chairman and CEO Piluso Charles M. sold $12,034 worth of shares (3,390 units at $3.55) and converted options into 9,416 shares, increasing direct ownership by 2% to 401,659 units (SEC Form 4)

Amendment: Chief Financial Officer Panagiotakos Christos sold $7,231 worth of shares (2,003 units at $3.61) and converted options into 5,564 shares, increasing direct ownership by 9% to 41,093 units (SEC Form 4)

EVP Kempster Thomas exercised 26,470 shares at a strike of $1.99, increasing direct ownership by 3% to 865,582 units (SEC Form 4)

President Schwartz Harold J exercised 5,176 shares at a strike of $3.22, increasing direct ownership by 0.59% to 887,523 units (SEC Form 4)

Director Stein Clifford was granted 7,915 shares, increasing direct ownership by 3% to 280,850 units (SEC Form 4)

Director Grover Matthew was granted 7,915 shares, increasing direct ownership by 32% to 32,915 units (SEC Form 4)

Director Stallone Nancy was granted 7,915 shares, increasing direct ownership by 237% to 11,248 units (SEC Form 4)

Director Argen John was granted 7,915 shares, increasing direct ownership by 30% to 34,582 units (SEC Form 4)

President Schwartz Harold J was granted 12,500 shares, increasing direct ownership by 1% to 882,347 units (SEC Form 4)

Chairman and CEO Piluso Charles M. was granted 12,500 shares, increasing direct ownership by 3% to 404,743 units (SEC Form 4)

Director Correll Todd A. was granted 7,915 shares, increasing direct ownership by 31% to 33,540 units (SEC Form 4)

Director Maglione Lawrence A. was granted 7,915 shares, increasing direct ownership by 31% to 33,745 units (SEC Form 4)

Director Mitchell Uwayne A. was granted 7,915 shares, increasing direct ownership by 237% to 11,248 units (SEC Form 4)

EVP Kempster Thomas converted options into 8,333 shares and sold $7,582 worth of shares (2,333 units at $3.25), increasing direct ownership by 0.72% to 839,112 units (SEC Form 4)

President Schwartz Harold J converted options into 8,333 shares and sold $7,582 worth of shares (2,333 units at $3.25), increasing direct ownership by 0.69% to 869,847 units (SEC Form 4)

Chairman and CEO Piluso Charles M. sold $12,034 worth of shares (3,390 units at $3.55), decreasing direct ownership by 0.86% to 392,243 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos sold $7,231 worth of shares (2,003 units at $3.61), decreasing direct ownership by 5% to 35,529 units (SEC Form 4)

Amendment: President Schwartz Harold J sold $5,259 worth of shares (1,373 units at $3.83) and converted options into 4,902 shares, increasing direct ownership by 0.41% to 863,847 units (SEC Form 4)

EVP Kempster Thomas converted options into 4,902 shares and sold $5,259 worth of shares (1,373 units at $3.83), increasing direct ownership by 0.43% to 833,112 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos converted options into 4,902 shares and sold $6,760 worth of shares (1,765 units at $3.83), increasing direct ownership by 9% to 37,532 units (SEC Form 4)

President Schwartz Harold J sold $8,935 worth of shares (2,333 units at $3.83) and converted options into 4,902 shares, increasing direct ownership by 0.30% to 862,887 units (SEC Form 4)

Chairman and CEO Piluso Charles M. converted options into 9,804 shares and sold $13,516 worth of shares (3,529 units at $3.83), increasing direct ownership by 2% to 395,633 units (SEC Form 4)

Chairman and CEO Piluso Charles M. was granted 11,976 shares, increasing direct ownership by 3% to 389,358 units (SEC Form 4)

Chief Financial Officer Panagiotakos Christos was granted 7,035 shares, increasing direct ownership by 26% to 34,395 units (SEC Form 4)

President Schwartz Harold J sold $6,738 worth of shares (1,593 units at $4.23), decreasing direct ownership by 0.18% to 860,318 units (SEC Form 4)