As of September 29, 2026, the three largest insider holders of BIRD are Nadia Catherine Carlsten (Ceo, 1.38Mn shares), Ann Mitchell (Chief Financial Officer, 821.12K shares), Sachs Group Inc Goldman (TenPercentOwner, 149.08K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Nadia Catherine Carlsten | Ceo | 1,378,605 | 0 | 1,378,605 | 51.5% | 03 Sep, 2026 |
| 2 | Ann Mitchell | Chief Financial Officer | 821,115 | 0 | 821,115 | 30.7% | 21 Sep, 2026 |
| 3 | Sachs Group Inc Goldman | TenPercentOwner | 0 | 149,084 | 149,084 | 5.6% | 26 Nov, 2021 |
| 4 | Lily Yan Hughes | Director | 147,222 | 0 | 147,222 | 5.5% | 23 Jun, 2026 |
| 5 | Joseph Vernachio | Chief Executive Officer | 82,210 | 0 | 82,210 | 3.1% | 03 Jun, 2026 |
| 6 | Dan Levitan | Director, TenPercentOwner | 23,653 | 0 | 23,653 | 0.9% | 10 Jun, 2025 |
| 7 | Michael J Bufano | Chief Financial Officer | 16,159 | 0 | 16,159 | 0.6% | 06 Mar, 2023 |
| 8 | Ravi Thanawala | Director | 14,534 | 0 | 14,534 | 0.5% | 10 Jun, 2025 |
| 9 | Ann Freeman | Director | 14,507 | 0 | 14,507 | 0.5% | 10 Jun, 2025 |
| 10 | Neil Harris Blumenthal | Director | 7,454 | 0 | 7,454 | 0.3% | 11 Jun, 2024 |
| 11 | Mandy J Fields | Director | 7,454 | 0 | 7,454 | 0.3% | 11 Jun, 2024 |
| 12 | Joseph Zwillinger | Director, TenPercentOwner | 6,200 | 0 | 6,200 | 0.2% | 10 Jun, 2025 |
| 13 | Richard W Boyce | Director | 4,455 | 0 | 4,455 | 0.2% | 27 Aug, 2026 |
| 14 | Emily Weiss | Director | 1,524 | 0 | 1,524 | 0.1% | 14 Jun, 2022 |
| 15 | Nancy Green | Director | 1,524 | 0 | 1,524 | 0.1% | 14 Jun, 2022 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 18 Sep, 2026 | Ann Mitchell | Chief Financial Officer | Disposed S | 19,508 | $2.30 | $44.87K | 821,115 | Direct |
| 02 Sep, 2026 | Ann Mitchell | Chief Financial Officer | Disposed S | 1,755 | $2.44 | $4.28K | 840,623 | Direct |
| 02 Sep, 2026 | Nadia Catherine Carlsten | Ceo | Disposed D | 36,315 | $2.44 | $88.61K | 1,378,605 | Direct |
| 25 Aug, 2026 | Richard W Boyce | Director | Disposed S | 9,200 | $2.38 | $21.90K | 4,455 | Direct |
| 25 Jun, 2026 | Nadia Catherine Carlsten | Chief Executive Officer | Disposed S | 117,459 | $4.21 | $494.63K | 1,414,920 | Direct |
| 18 Jun, 2026 | Ann Mitchell | Chief Financial Officer | Acquired A | 766,190 | $0.00 | $0 | 842,378 | Direct |
| 18 Jun, 2026 | Nadia Catherine Carlsten | Chief Executive Officer | Acquired A | 1,532,379 | $0.00 | $0 | 1,532,379 | Direct |
| 18 Jun, 2026 | Lily Yan Hughes | Director | Acquired A | 125,000 | $0.00 | $0 | 147,222 | Direct |
| 02 Jun, 2026 | Ann Mitchell | Chief Financial Officer | Disposed S | 1,587 | $4.52 | $7.17K | 76,188 | Direct |
| 02 Jun, 2026 | Joseph Vernachio | Chief Executive Officer | Disposed S | 3,359 | $4.47 | $15.01K | 82,210 | Direct |
| 03 Mar, 2026 | Ann Mitchell | Chief Financial Officer | Disposed S | 2,200 | $2.70 | $5.93K | 74,970 | Direct |
| 03 Mar, 2026 | Joseph Vernachio | Chief Executive Officer | Disposed S | 4,413 | $2.69 | $11.87K | 85,569 | Direct |
| 02 Dec, 2025 | Ann Mitchell | Chief Financial Officer | Disposed S | 1,837 | $4.87 | $8.95K | 77,170 | Direct |
| 02 Dec, 2025 | Joseph Vernachio | Chief Executive Officer | Disposed S | 4,384 | $4.87 | $21.33K | 89,982 | Direct |
| 31 Oct, 2025 | Lily Yan Hughes | Director | Acquired A | 22,222 | $0.00 | $0 | 22,222 | Direct |
| 03 Sep, 2025 | Joseph Vernachio | Chief Executive Officer | Disposed S | 3,666 | $6.37 | $23.35K | 94,366 | Direct |
| 03 Sep, 2025 | Ann Mitchell | Chief Financial Officer | Disposed S | 2,188 | $6.37 | $13.94K | 78,498 | Direct |
| 06 Jun, 2025 | Ravi Thanawala | Director | Acquired A | 6,200 | $0.00 | $0 | 14,534 | Direct |
| 06 Jun, 2025 | Dan Levitan | Director, TenPercentOwner | Acquired A | 6,200 | $0.00 | $0 | 23,653 | Direct |
| 06 Jun, 2025 | Richard W Boyce | Director | Acquired A | 6,200 | $0.00 | $0 | 13,655 | Direct |