SEC Insider Transactions from Rothenstein David M.

Last updated: 2026-03-25 13:02 UTC | Total transactions: 121

David M. Rothenstein, SVP and Chief Strategy Officer at CIENA CORP ($CIEN), sold shares on the open market 12 times over the last year, totaling $4.2 million. His most recent sale occurred on February 17, 2026. These sales rank 2,177th among 11,678 insiders in our database, where the average is $8.6 million across about 6.4 transactions per insider. Rothenstein made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 20, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 220 $383.89 195,081.0000 145,248,000 0.11% 0.00%
March 20, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 472 $383.89 196,722.0000 145,248,000 0.24% 0.00%
March 20, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 174 $383.89 196,548.0000 145,248,000 0.09% 0.00%
March 20, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 811 $383.89 195,737.0000 145,248,000 0.41% 0.00%
March 20, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 436 $383.89 195,301.0000 145,248,000 0.22% 0.00%
March 16, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $345.00 197,194.0000 145,248,000 1.25% 0.00%
Feb. 17, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $300.20 199,694.0000 145,248,000 1.24% 0.00%
Jan. 9, 2026 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $219.28 202,194.0000 145,248,000 1.22% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 811 $230.34 219,718.0000 145,248,000 0.37% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 679 $230.34 220,733.0000 145,248,000 0.31% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 204 $230.34 220,529.0000 145,248,000 0.09% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1557 $230.34 204,694.0000 145,248,000 0.75% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 2091 $230.34 206,251.0000 145,248,000 1.00% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1819 $230.34 208,342.0000 145,248,000 0.87% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 8682 $230.34 210,161.0000 145,248,000 3.97% 0.01%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 439 $230.34 218,843.0000 145,248,000 0.20% 0.00%
Dec. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 436 $230.34 219,282.0000 145,248,000 0.20% 0.00%
Dec. 16, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 17664 $0.00 214,264.0000 145,248,000 8.98% 0.01%
Dec. 16, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 7148 $0.00 221,412.0000 145,248,000 3.34% 0.00%
Dec. 16, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 15910 $0.00 196,600.0000 145,248,000 8.81% 0.01%
Dec. 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $220.84 180,690.0000 145,248,000 1.36% 0.00%
Nov. 17, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $191.72 183,190.0000 145,248,000 1.35% 0.00%
Oct. 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $170.22 185,690.0000 145,158,000 1.33% 0.00%
Sept. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 436 $138.37 188,498.0000 145,158,000 0.23% 0.00%
Sept. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 204 $138.37 189,745.0000 145,158,000 0.11% 0.00%
Sept. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 679 $138.37 189,949.0000 145,158,000 0.36% 0.00%
Sept. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 811 $138.37 188,934.0000 145,158,000 0.43% 0.00%
Sept. 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 308 $138.37 188,190.0000 145,158,000 0.16% 0.00%
Sept. 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $132.00 190,628.0000 145,158,000 1.29% 0.00%
Aug. 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $90.60 193,128.0000 145,158,000 1.28% 0.00%
July 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $82.21 195,628.0000 145,964,000 1.26% 0.00%
June 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $74.53 199,410.0000 145,964,000 0.23% 0.00%
June 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $74.53 199,272.0000 145,964,000 0.07% 0.00%
June 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 296 $74.53 198,426.0000 145,964,000 0.15% 0.00%
June 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 550 $74.53 198,722.0000 145,964,000 0.28% 0.00%
June 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $74.53 198,128.0000 145,964,000 0.15% 0.00%
June 16, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $74.13 199,870.0000 145,964,000 1.24% 0.00%
May 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $79.93 202,370.0000 145,964,000 1.22% 0.00%
April 15, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $59.47 204,870.0000 145,964,000 1.21% 0.00%
March 24, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 2500 $68.88 207,370.0000 145,964,000 1.19% 0.00%
March 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $65.63 211,152.0000 145,964,000 0.22% 0.00%
March 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $65.63 211,014.0000 145,964,000 0.07% 0.00%
March 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 550 $65.63 210,464.0000 145,964,000 0.26% 0.00%
March 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 296 $65.63 210,168.0000 145,964,000 0.14% 0.00%
March 20, 2025 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $65.63 209,870.0000 145,964,000 0.14% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1530 $87.38 211,612.0000 145,964,000 0.72% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1024 $87.38 213,142.0000 145,964,000 0.48% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 498 $87.38 219,297.0000 145,964,000 0.23% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 667 $87.38 218,630.0000 145,964,000 0.30% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 200 $87.38 218,430.0000 145,964,000 0.09% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 797 $87.38 217,633.0000 145,964,000 0.36% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 432 $87.38 217,201.0000 145,964,000 0.20% 0.00%
Dec. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 3035 $87.38 214,166.0000 145,964,000 1.40% 0.00%
Dec. 17, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 6283 $0.00 219,795.0000 145,964,000 2.94% 0.00%
Dec. 17, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 14182 $0.00 213,512.0000 145,964,000 7.11% 0.01%
Dec. 17, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 6333 $0.00 199,330.0000 145,964,000 3.28% 0.00%
Dec. 16, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $89.09 192,997.0000 145,964,000 1.78% 0.00%
Nov. 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $68.99 196,497.0000 145,964,000 1.75% 0.00%
Oct. 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $67.43 199,997.0000 145,795,000 1.72% 0.00%
Sept. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $58.73 204,479.0000 145,795,000 0.07% 0.00%
Sept. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $58.73 203,497.0000 145,795,000 0.15% 0.00%
Sept. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 684 $58.73 203,795.0000 145,795,000 0.33% 0.00%
Sept. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $58.73 205,077.0000 145,795,000 0.17% 0.00%
Sept. 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $58.73 204,617.0000 145,795,000 0.22% 0.00%
Sept. 16, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $56.24 205,421.0000 145,795,000 1.68% 0.00%
Aug. 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $52.42 208,921.0000 145,795,000 1.65% 0.00%
July 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $48.81 212,421.0000 149,380,000 1.62% 0.00%
June 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $46.96 215,921.0000 149,380,000 0.14% 0.00%
June 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 550 $46.96 216,219.0000 149,380,000 0.25% 0.00%
June 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $46.96 216,769.0000 149,380,000 0.06% 0.00%
June 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $46.96 217,367.0000 149,380,000 0.16% 0.00%
June 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $46.96 216,907.0000 149,380,000 0.21% 0.00%
June 17, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $46.05 217,711.0000 149,380,000 1.58% 0.00%
May 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $49.00 221,211.0000 149,380,000 1.56% 0.00%
April 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $45.74 224,711.0000 149,380,000 1.53% 0.00%
March 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $50.22 228,761.0000 149,380,000 0.06% 0.00%
March 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 550 $50.22 228,211.0000 149,380,000 0.24% 0.00%
March 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $50.22 228,899.0000 149,380,000 0.20% 0.00%
March 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $50.22 229,657.0000 149,380,000 0.15% 0.00%
March 20, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $50.22 229,359.0000 149,380,000 0.13% 0.00%
March 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $50.19 230,001.0000 149,380,000 1.50% 0.00%
Feb. 15, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $56.69 233,501.0000 149,380,000 1.48% 0.00%
Jan. 16, 2024 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $49.72 237,001.0000 149,380,000 1.46% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 667 $43.58 244,666.0000 149,380,000 0.27% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $43.58 244,168.0000 149,380,000 0.12% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 769 $43.58 243,399.0000 149,380,000 0.31% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1874 $43.58 240,501.0000 149,380,000 0.77% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 1024 $43.58 242,375.0000 149,380,000 0.42% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 200 $43.58 244,466.0000 149,380,000 0.08% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $43.58 245,751.0000 149,380,000 0.14% 0.00%
Dec. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 418 $43.58 245,333.0000 149,380,000 0.17% 0.00%
Dec. 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $44.40 246,095.0000 149,380,000 1.40% 0.00%
Dec. 12, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 26388 $0.00 249,595.0000 149,380,000 11.82% 0.02%
Dec. 12, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 4239 $0.00 220,898.0000 149,380,000 1.96% 0.00%
Dec. 12, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer A Common Stock 2309 $0.00 223,207.0000 149,380,000 1.05% 0.00%
Nov. 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $45.96 216,659.0000 149,380,000 1.59% 0.00%
Oct. 16, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $42.45 220,159.0000 0 1.56% 0.00%
Sept. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $47.96 224,555.0000 0 0.15% 0.00%
Sept. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $47.96 224,257.0000 0 0.13% 0.00%
Sept. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $47.96 223,797.0000 0 0.21% 0.00%
Sept. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $47.96 223,659.0000 0 0.06% 0.00%
Sept. 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 418 $47.96 224,899.0000 0 0.19% 0.00%
Sept. 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $48.90 225,317.0000 0 1.53% 0.00%
Aug. 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $41.76 228,817.0000 0 1.51% 0.00%
July 14, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $42.26 232,317.0000 0 1.48% 0.00%
June 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $43.05 236,415.0000 0 0.13% 0.00%
June 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $43.05 235,817.0000 0 0.06% 0.00%
June 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $43.05 235,955.0000 0 0.19% 0.00%
June 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 344 $43.05 236,713.0000 0 0.15% 0.00%
June 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 418 $43.05 237,057.0000 0 0.18% 0.00%
June 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $44.09 237,475.0000 0 1.45% 0.00%
May 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $43.50 240,975.0000 0 1.43% 0.00%
April 17, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $50.77 244,475.0000 0 1.41% 0.00%
March 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 456 $50.20 249,212.0000 0 0.18% 0.00%
March 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 138 $50.20 247,975.0000 0 0.06% 0.00%
March 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 460 $50.20 248,113.0000 0 0.19% 0.00%
March 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 298 $50.20 248,573.0000 0 0.12% 0.00%
March 20, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer F Common Stock 341 $50.20 248,871.0000 0 0.14% 0.00%
March 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $49.82 249,668.0000 0 1.38% 0.00%
Feb. 15, 2023 CIENA CORP $CIEN Rothenstein David M SVP and Chief Strategy Officer S Common Stock 3500 $48.68 253,168.0000 0 1.36% 0.00%
Jan. 17, 2023 CIENA CORP $CIEN Rothenstein David M Sr. VP, General Counsel S Common Stock 3500 $50.89 256,668.0000 0 1.35% 0.00%