Rothenstein David M

Officer · CIEN

As of 2026-09-27, Rothenstein David M has 98 Form 4 transactions on record across 1 company — 39 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in September in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $62.6MIndirect: $0$62.6Mas of 2026-09-27
  • Direct $62.6M
  • Indirect $0
CIENdirect175,381 sh$62.6M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

CIEN · 98 trades
2026-09-20: Withheld for tax, 811 sh ($283K)2026-09-20: Withheld for tax, 679 sh ($237K)2026-09-20: Withheld for tax, 436 sh ($152K)2026-09-20: Withheld for tax, 220 sh ($77K)2026-09-20: Withheld for tax, 204 sh ($71K)2026-09-15: Sale, 2,500 sh ($826K)2026-08-14: Sale, 2,500 sh ($1.1M)2026-07-15: Sale, 2,500 sh ($1.1M)2026-06-20: Withheld for tax, 811 sh ($347K)2026-06-20: Withheld for tax, 679 sh ($291K)2026-06-20: Withheld for tax, 436 sh ($187K)2026-06-20: Withheld for tax, 220 sh ($94K)2026-06-20: Withheld for tax, 204 sh ($87K)2026-06-15: Sale, 2,500 sh ($1.1M)2026-05-15: Sale, 2,500 sh ($1.4M)2026-04-15: Sale, 2,500 sh ($1.2M)2026-03-20: Withheld for tax, 811 sh ($311K)2026-03-20: Withheld for tax, 472 sh ($181K)2026-03-20: Withheld for tax, 436 sh ($167K)2026-03-20: Withheld for tax, 220 sh ($84K)2026-03-20: Withheld for tax, 174 sh ($67K)2026-03-16: Sale, 2,500 sh ($863K)2026-02-17: Sale, 2,500 sh ($750K)2026-01-09: Sale, 2,500 sh ($548K)2025-12-20: Withheld for tax, 8,682 sh ($2.0M)2025-12-20: Withheld for tax, 2,091 sh ($482K)2025-12-20: Withheld for tax, 1,819 sh ($419K)2025-12-20: Withheld for tax, 1,557 sh ($359K)2025-12-20: Withheld for tax, 811 sh ($187K)2025-12-20: Withheld for tax, 679 sh ($156K)2025-12-20: Withheld for tax, 439 sh ($101K)2025-12-20: Withheld for tax, 436 sh ($100K)2025-12-20: Withheld for tax, 204 sh ($47K)2025-12-16: Award / grant, 15,910 sh ($0)2025-12-16: Award / grant, 7,148 sh ($0)2025-12-16: Award / grant, 17,664 sh ($0)2025-12-15: Sale, 2,500 sh ($552K)2025-11-17: Sale, 2,500 sh ($479K)2025-10-15: Sale, 2,500 sh ($426K)2025-09-20: Withheld for tax, 811 sh ($112K)2025-09-20: Withheld for tax, 679 sh ($94K)2025-09-20: Withheld for tax, 436 sh ($60K)2025-09-20: Withheld for tax, 308 sh ($43K)2025-09-20: Withheld for tax, 204 sh ($28K)2025-09-15: Sale, 2,500 sh ($330K)2025-08-15: Sale, 2,500 sh ($226K)2025-07-15: Sale, 2,500 sh ($206K)2025-06-20: Withheld for tax, 550 sh ($41K)2025-06-20: Withheld for tax, 460 sh ($34K)2025-06-20: Withheld for tax, 298 sh ($22K)2025-06-20: Withheld for tax, 296 sh ($22K)2025-06-20: Withheld for tax, 138 sh ($10K)2025-06-16: Sale, 2,500 sh ($185K)2025-05-15: Sale, 2,500 sh ($200K)2025-04-15: Sale, 2,500 sh ($149K)2025-03-24: Sale, 2,500 sh ($172K)2025-03-20: Withheld for tax, 550 sh ($36K)2025-03-20: Withheld for tax, 460 sh ($30K)2025-03-20: Withheld for tax, 298 sh ($20K)2025-03-20: Withheld for tax, 296 sh ($19K)2025-03-20: Withheld for tax, 138 sh ($9K)2024-12-20: Withheld for tax, 3,035 sh ($265K)2024-12-20: Withheld for tax, 1,530 sh ($134K)2024-12-20: Withheld for tax, 1,024 sh ($89K)2024-12-20: Withheld for tax, 797 sh ($70K)2024-12-20: Withheld for tax, 667 sh ($58K)2024-12-20: Withheld for tax, 498 sh ($44K)2024-12-20: Withheld for tax, 432 sh ($38K)2024-12-20: Withheld for tax, 200 sh ($17K)2024-12-17: Award / grant, 14,182 sh ($0)2024-12-17: Award / grant, 6,283 sh ($0)2024-12-17: Award / grant, 6,333 sh ($0)2024-12-16: Sale, 3,500 sh ($312K)2024-11-15: Sale, 3,500 sh ($241K)2024-10-15: Sale, 3,500 sh ($236K)2024-09-20: Withheld for tax, 684 sh ($40K)2024-09-20: Withheld for tax, 460 sh ($27K)2024-09-20: Withheld for tax, 344 sh ($20K)2024-09-20: Withheld for tax, 298 sh ($18K)2024-09-20: Withheld for tax, 138 sh ($8K)2024-09-16: Sale, 3,500 sh ($197K)2024-08-15: Sale, 3,500 sh ($183K)2024-07-15: Sale, 3,500 sh ($171K)2024-06-20: Withheld for tax, 550 sh ($26K)2024-06-20: Withheld for tax, 460 sh ($22K)2024-06-20: Withheld for tax, 344 sh ($16K)2024-06-20: Withheld for tax, 298 sh ($14K)2024-06-20: Withheld for tax, 138 sh ($6K)2024-06-17: Sale, 3,500 sh ($161K)2024-05-15: Sale, 3,500 sh ($172K)2024-04-15: Sale, 3,500 sh ($160K)2024-03-20: Withheld for tax, 550 sh ($28K)2024-03-20: Withheld for tax, 460 sh ($23K)2024-03-20: Withheld for tax, 344 sh ($17K)2024-03-20: Withheld for tax, 298 sh ($15K)2024-03-20: Withheld for tax, 138 sh ($7K)2024-03-15: Sale, 3,500 sh ($176K)2024-02-15: Sale, 3,500 sh ($198K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-15CIENSale2,500 @ $330.48$826K−1.4% of holding177,731Form 4
2026-08-14CIENSale2,500 @ $438.10$1.1M−1.4% of holding180,231Form 4
2026-07-15CIENSale2,500 @ $420.91$1.1M−1.3% of holding182,731Form 4
2026-06-15CIENSale2,500 @ $457.07$1.1M−1.3% of holding187,581Form 4
2026-05-15CIENSale2,500 @ $562.39$1.4M−1.3% of holding190,081Form 4
2026-04-15CIENSale2,500 @ $467.65$1.2M−1.3% of holding192,581Form 4
2026-03-16CIENSale2,500 @ $345.00$863K−1.3% of holding197,194Form 4
2026-02-17CIENSale2,500 @ $300.20$750K−1.2% of holding199,694Form 4
2026-01-09CIENSale2,500 @ $219.28$548K−1.2% of holding202,194Form 4
2025-12-15CIENSale2,500 @ $220.84$552K−1.4% of holding180,690Form 4
2025-11-17CIENSale2,500 @ $191.72$479K−1.3% of holding183,190Form 4
2025-10-15CIENSale2,500 @ $170.22$426K−1.3% of holding185,690Form 4
2025-09-15CIENSale2,500 @ $132.00$330K−1.3% of holding190,628Form 4
2025-08-15CIENSale2,500 @ $90.60$226K−1.3% of holding193,128Form 4
2025-07-15CIENSale2,500 @ $82.21$206K−1.3% of holding195,628Form 4
2025-06-16CIENSale2,500 @ $74.13$185K−1.2% of holding199,870Form 4
2025-05-15CIENSale2,500 @ $79.93$200K−1.2% of holding202,370Form 4
2025-04-15CIENSale2,500 @ $59.47$149K−1.2% of holding204,870Form 4
2025-03-24CIENSale2,500 @ $68.88$172K−1.2% of holding207,370Form 4
2024-12-16CIENSale3,500 @ $89.09$312K−1.8% of holding192,997Form 4
2024-11-15CIENSale3,500 @ $68.99$241K−1.8% of holding196,497Form 4
2024-10-15CIENSale3,500 @ $67.43$236K−1.7% of holding199,997Form 4
2024-09-16CIENSale3,500 @ $56.24$197K−1.7% of holding205,421Form 4
2024-08-15CIENSale3,500 @ $52.42$183K−1.6% of holding208,921Form 4
2024-07-15CIENSale3,500 @ $48.81$171K−1.6% of holding212,421Form 4
2024-06-17CIENSale3,500 @ $46.05$161K−1.6% of holding217,711Form 4
2024-05-15CIENSale3,500 @ $49.00$172K−1.6% of holding221,211Form 4
2024-04-15CIENSale3,500 @ $45.74$160K−1.5% of holding224,711Form 4
2024-03-15CIENSale3,500 @ $50.19$176K−1.5% of holding230,001Form 4
2024-02-15CIENSale3,500 @ $56.69$198K−1.5% of holding233,501Form 4
68 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-20CIENWithheld for tax811176,037Form 4
2026-09-20CIENWithheld for tax679177,052Form 4
2026-09-20CIENWithheld for tax436175,601Form 4
2026-09-20CIENWithheld for tax220175,381Form 4
2026-09-20CIENWithheld for tax204176,848Form 4
2026-06-20CIENWithheld for tax811185,887Form 4
2026-06-20CIENWithheld for tax679186,902Form 4
2026-06-20CIENWithheld for tax436185,451Form 4
2026-06-20CIENWithheld for tax220185,231Form 4
2026-06-20CIENWithheld for tax204186,698Form 4
2026-03-20CIENWithheld for tax811195,737Form 4
2026-03-20CIENWithheld for tax472196,722Form 4
2026-03-20CIENWithheld for tax436195,301Form 4
2026-03-20CIENWithheld for tax220195,081Form 4
2026-03-20CIENWithheld for tax174196,548Form 4
2025-12-20CIENWithheld for tax8,682210,161Form 4
2025-12-20CIENWithheld for tax2,091206,251Form 4
2025-12-20CIENWithheld for tax1,819208,342Form 4
2025-12-20CIENWithheld for tax1,557204,694Form 4
2025-12-20CIENWithheld for tax811219,718Form 4
2025-12-20CIENWithheld for tax679220,733Form 4
2025-12-20CIENWithheld for tax439218,843Form 4
2025-12-20CIENWithheld for tax436219,282Form 4
2025-12-20CIENWithheld for tax204220,529Form 4
2025-12-16CIENAward / grant15,910196,600Form 4
2025-12-16CIENAward / grant7,148221,412Form 4
2025-12-16CIENAward / grant17,664214,264Form 4
2025-09-20CIENWithheld for tax811188,934Form 4
2025-09-20CIENWithheld for tax679189,949Form 4
2025-09-20CIENWithheld for tax436188,498Form 4
2025-09-20CIENWithheld for tax308188,190Form 4
2025-09-20CIENWithheld for tax204189,745Form 4
2025-06-20CIENWithheld for tax550198,722Form 4
2025-06-20CIENWithheld for tax460199,410Form 4
2025-06-20CIENWithheld for tax298198,128Form 4
2025-06-20CIENWithheld for tax296198,426Form 4
2025-06-20CIENWithheld for tax138199,272Form 4
2025-03-20CIENWithheld for tax550210,464Form 4
2025-03-20CIENWithheld for tax460211,152Form 4
2025-03-20CIENWithheld for tax298209,870Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.