Cabaletta Bio, Inc.
CABA- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001759138
No open-market purchases or sales by Cabaletta Bio, Inc. insiders were filed in the last 90 days; 139 institutions reported holding it in 13F filings for Q2 2026, worth $492.9M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Cabaletta Bio, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Cabaletta Bio, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Henriques Richard C Jr | Director | – | Jun 10, 2026 | 1 |
| Simon Mark | Director | 147,205 | Jun 10, 2026 | 2 |
| Tomasello Shawn | Director | 22,725Indirect | Jun 10, 2026 | 2 |
| Bollard Catherine | Director | 5,405 | Jun 10, 2026 | 2 |
| Brun Scott C. | Director | – | Jun 10, 2026 | 1 |
| Nichtberger Steven | President & CEO | 1,031,483 | Mar 2, 2026 | 2 |
| Marda Anup | Chief Financial Officer | 50,000 | Mar 2, 2026 | 1 |
| Chang David J. | Chief Medical Officer | 8,800 | Mar 2, 2026 | 2 |
| Binder Gwendolyn | President, Science & Tech. | 31,312 | Mar 2, 2026 | 2 |
| Gerard Michael | General Counsel | 6,600 | Mar 2, 2026 | 2 |
| Das Arun | Chief Business Officer | – | Mar 2, 2026 | 1 |
| Gavel Steve | Chief Commercial Officer | 22,170 | Jan 21, 2026 | 2 |
| Rocklage Scott M | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| Schwab Andrew J. | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| Parmar Kush | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| 5AM Ventures V, L.P. | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| 5AM Opportunities I, L.P. | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| 5AM Opportunities I (GP), LLC | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
| 5AM Partners V, LLC | 10% Owner | 333,144Indirect | Nov 3, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Chang David J.Chief Medical Officer | PPurchase | +8.80K | $2.26 | +$19.9K | New position8.80K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Binder GwendolynPresident, Science & Tech. | PPurchase | +11.3K | $2.19 | +$24.8K | +56.6%31.3K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Tomasello ShawnDirector | PPurchase | +22.7K | $2.21 | +$50.2K | New position22.7K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Gavel SteveChief Commercial Officer | PPurchase | +22.2K | $2.27 | +$50.3K | New position22.2K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Bollard CatherineDirector | PPurchase | +4.41K | $2.27 | +$10.0K | +440.5%5.41K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Nichtberger StevenPresident & CEO | PPurchase | +45.0K | $2.24 | +$100.8K | +4.6%1.03M after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Simon MarkDirector | PPurchase | +11.1K | $2.28 | +$25.2K | +8.1%147.2K after | |
| Jan 21, 2026 (view filing) | Jan 21 | Same day | Gerard MichaelGeneral Counsel | PPurchase | +6.60K | $2.27 | +$15.0K | New position6.60K after | |
| Jan 19, 2024 (view filing) | Jan 19 | Same day | Binder GwendolynSee Remarks | SSale | −11.0K | $19.59 | −$215.5K | −35.5%20.0K after | 2 lots |
| Dec 19, 2023 (view filing) | Dec 19 | Same day | Binder GwendolynSee Remarks | SSale | −11.0K | $21.89 | −$240.8K | −35.5%20.0K after | 2 lots |
| Nov 21, 2023 (view filing) | Nov 20 | 1 day | Binder GwendolynSee Remarks | SSale | −11.0K | $17.82 | −$196.0K | −35.5%20.0K after | 2 lots |
| Oct 19, 2023 (view filing) | Oct 19 | Same day | Binder GwendolynSee Remarks | SSale | −11.0K | $13.36 | −$146.9K | −35.5%20.0K after | 2 lots |
| Sep 20, 2023 (view filing) | Sep 19 | 1 day | Binder GwendolynSee Remarks | SSale | −11.0K | $17.56 | −$193.2K | −35.5%20.0K after | 2 lots10b5-1 |
| Aug 22, 2023 (view filing) | Aug 21 | 1 day | Binder GwendolynSee Remarks | SSale | −11.0K | $13.42 | −$147.6K | −35.5%20.0K after | 2 lots10b5-1 |
| Jul 19, 2023 (view filing) | Jul 19 | Same day | Binder GwendolynSee Remarks | SSale | −11.0K | $13.82 | −$152.0K | −35.5%20.0K after | 2 lots10b5-1 |
| Jun 21, 2023 (view filing) | Jun 20 | 1 day | Binder GwendolynSee Remarks | SSale | −11.0K | $12.99 | −$142.9K | −35.5%20.0K after | 10b5-1 |
| May 19, 2023 (view filing) | May 19 | Same day | Binder GwendolynSee Remarks | SSale | −22.0K | $11.81 | −$259.8K | −52.4%20.0K after | 10b5-1 |
| Oct 19, 2022 (view filing) | Oct 19 | Same day | Nichtberger StevenPresident & CEO | PPurchase | +8.13K | $1.25 | +$10.2K | +0.8%986.5K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Bollard CatherineDirector | PPurchase | +1.00K | $0.99 | +$990 | New position1.00K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Marda AnupChief Financial Officer | PPurchase | +50.0K | $0.99 | +$49.5K | New position50.0K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Simon MarkDirector | PPurchase | +118.0K | $0.98 | +$115.6K | +650.4%136.1K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Simon MarkDirector | PPurchase | +7.00K | $0.98 | +$6.86K | New position7.00K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Binder GwendolynSee Remarks | PPurchase | +20.0K | $0.99 | +$19.8K | New position20.0K after | |
| Oct 18, 2022 (view filing) | Oct 18 | Same day | Nichtberger StevenPresident & CEO | PPurchase | +141.9K | $0.99 | +$140.5K | +17.0%978.4K after | |
| Nov 3, 2021 (view filing)4:38 PM ET | Nov 1 | 2 days | Rocklage Scott M and 6 others10% Owner | SSale | −295.0K | $13.00 | −$3.83M | −47.0%333.1K after | 2 lots |
| Sep 9, 2021 (view filing)5:34 PM ET | Sep 7 | 2 days | Rocklage Scott M and 6 others10% Owner | SSale | −625.0K | $9.70 | −$6.06M | −23.9%1.99M after |