OPTN insider transactions

Chief Legal Officer & Corp Sec Marino Michael F Iii returned 125,204 shares to the company, closing all direct ownership in the company (SEC Form 4)

Chief Financial Officer Kohler Terry returned 30,541 shares to the company, closing all direct ownership in the company (SEC Form 4)

SEC Form 4 filed by Director Fletcher R John

SEC Form 4 filed by Director Helton Sandra L

SEC Form 4 filed by Director Groenhuysen Wilhelmus Cm

Chief Commercial Officer Spence Paul Jr. returned 102,813 shares to the company, closing all direct ownership in the company (SEC Form 4)

SEC Form 4 filed by Director Bednarski Eric

SEC Form 4 filed by Director Heyman Tomas J.

Chief Executive Officer Mahmoud Ramy A returned 314,670 shares to the company, closing all direct ownership in the company (SEC Form 4)

SEC Form 4 filed by Director Dempsey Kyle

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $1,380 worth of shares (246 units at $5.61), decreasing direct ownership by 0.44% to 55,038 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A sold $2,064 worth of shares (368 units at $5.61), decreasing direct ownership by 0.29% to 126,563 units (SEC Form 4)

Chief Commercial Officer Spence Paul Jr. sold $6,470 worth of shares (1,223 units at $5.29), decreasing direct ownership by 4% to 32,647 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $11,347 worth of shares (2,145 units at $5.29), decreasing direct ownership by 4% to 55,284 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A sold $33,729 worth of shares (6,376 units at $5.29), decreasing direct ownership by 5% to 126,931 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A was granted 53,475 shares, increasing direct ownership by 67% to 133,307 units (SEC Form 4)

Chief Financial Officer Kohler Terry was granted 13,875 shares, increasing direct ownership by 139% to 23,875 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii was granted 21,150 shares, increasing direct ownership by 58% to 57,429 units (SEC Form 4)

Chief Commercial Officer Spence Paul Jr. was granted 17,025 shares, increasing direct ownership by 101% to 33,870 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $1,342 worth of shares (3,050 units at $0.44), decreasing direct ownership by 0.56% to 544,188 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A sold $2,030 worth of shares (4,614 units at $0.44), decreasing direct ownership by 0.38% to 1,197,483 units (SEC Form 4)

Chief Financial Officer Kohler Terry was granted 150,000 shares (SEC Form 4)

SEC Form 3 filed by new insider Kohler Terry

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $2,807 worth of shares (3,226 units at $0.87), decreasing direct ownership by 0.59% to 547,238 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A sold $4,246 worth of shares (4,881 units at $0.87), decreasing direct ownership by 0.40% to 1,202,097 units (SEC Form 4)

Chief Accounting Officer Krick Anthony J sold $7,803 worth of shares (6,845 units at $1.14), decreasing direct ownership by 5% to 140,758 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $56,325 worth of shares (49,408 units at $1.14), decreasing direct ownership by 8% to 550,464 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A sold $127,026 worth of shares (111,426 units at $1.14), decreasing direct ownership by 8% to 1,206,978 units (SEC Form 4)

Chief Accounting Officer Krick Anthony J sold $743 worth of shares (624 units at $1.19), decreasing direct ownership by 0.43% to 143,364 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii sold $3,506 worth of shares (2,946 units at $1.19), decreasing direct ownership by 0.49% to 599,872 units (SEC Form 4)

Chief Legal Officer & Corp Sec Marino Michael F Iii was granted 3,817 shares and sold $3,888 worth of shares (3,267 units at $1.19), increasing direct ownership by 0.09% to 602,818 units (SEC Form 4)

Chief Executive Officer Mahmoud Ramy A was granted 6,113 shares and sold $22,595 worth of shares (18,987 units at $1.19), decreasing direct ownership by 0.97% to 1,318,404 units (SEC Form 4)

SEC Form 4 filed by Fletcher R John

SEC Form 4 filed by Helton Sandra L

SEC Form 4 filed by Groenhuysen Wilhelmus Cm

SEC Form 4 filed by Dempsey Kyle

SEC Form 4 filed by Heyman Tomas J.

SEC Form 4 filed by Bednarski Eric

SEC Form 4 filed by Owen Catherine E.

Krick Anthony J sold $4,409 worth of shares (2,345 units at $1.88), decreasing direct ownership by 2% to 143,988 units (SEC Form 4)

Marino Michael F Iii was granted 3,816 shares and sold $28,311 worth of shares (15,059 units at $1.88), decreasing direct ownership by 2% to 602,268 units (SEC Form 4)

Mahmoud Ramy A was granted 6,114 shares and sold $36,092 worth of shares (19,198 units at $1.88), decreasing direct ownership by 0.97% to 1,331,278 units (SEC Form 4)

Krick Anthony J was granted 112,500 shares, increasing direct ownership by 333% to 146,333 units (SEC Form 4)

Spence Paul Jr. was granted 252,675 shares (SEC Form 4)

Marino Michael F Iii was granted 280,000 shares, increasing direct ownership by 84% to 613,511 units (SEC Form 4)

Mahmoud Ramy A was granted 795,975 shares, increasing direct ownership by 145% to 1,344,362 units (SEC Form 4)

Mahmoud Ramy A sold $69,266 worth of shares (52,875 units at $1.31), decreasing direct ownership by 9% to 548,387 units (SEC Form 4)

Mahmoud Ramy A was granted 6,113 shares and sold $12,781 worth of shares (11,114 units at $1.15), decreasing direct ownership by 0.97% to 509,728 units (SEC Form 4)

Marino Michael F Iii was granted 3,817 shares and sold $5,756 worth of shares (5,005 units at $1.15), decreasing direct ownership by 0.35% to 333,511 units (SEC Form 4)

SEC Form 4: Mahmoud Ramy A was granted 6,113 shares and sold $15,184 worth of shares (11,083 units at $1.37), decreasing direct ownership by 0.96% to 514,729 units

SEC Form 4: Marino Michael F Iii was granted 3,817 shares and sold $6,838 worth of shares (4,991 units at $1.37), decreasing direct ownership by 0.35% to 334,699 units

SEC Form 4 filed by Marino Michael F Iii

SEC Form 4 filed by Mahmoud Ramy A

SEC Form 4 filed by Helton Sandra L

SEC Form 4 filed by Bednarski Eric

SEC Form 4 filed by Dempsey Kyle

SEC Form 4 filed by Fletcher R John

SEC Form 4 filed by Groenhuysen Wilhelmus Cm

SEC Form 4 filed by Heyman Tomas J.

SEC Form 4 filed by Owen Catherine E.