As of March 23, 2026, the three largest insider holders of APLS are Venture Investments Ltd Morningside (TenPercentOwner, 12.81Mn shares), Pascal Deschatelets (Chief Scientific Officer, 1.18Mn shares), Cedric Francois (Chief Executive Officer, 490.84K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Venture Investments Ltd Morningside | 12,806,342 | 0 | 18 Nov, 2021 | |
| Pascal Deschatelets | Chief Scientific Officer | 1,177,222 | 0 | 30 Jan, 2026 |
| Cedric Francois | Chief Executive Officer | 425,968 | 372,815 | 13 Mar, 2026 |
| Alec Machiels | 384,989 | 0 | 05 Jan, 2026 | |
| A. Sinclair Dunlop | 161,567 | 0 | 05 Jan, 2026 | |
| Timothy Eugene Sullivan | Chief Financial Officer | 152,041 | 0 | 30 Jan, 2026 |
| David O. Watson | General Counsel | 144,517 | 0 | 30 Jan, 2026 |
| Kelley Boucher | Chief People Officer | 127,804 | 0 | 30 Jan, 2026 |
| Nur Nicholson | Chief Technical Officer | 116,338 | 0 | 30 Jan, 2026 |
| Mark Jeffrey Delong | Chief Business Strat Officer | 114,591 | 0 | 13 Feb, 2026 |
| Leslie Meltzer | Chief Research And Development | 107,024 | 0 | 30 Jan, 2026 |
| Federico Grossi | Chief Medical Officer | 94,884 | 0 | 09 Jan, 2023 |
| Caroline Baumal | Chief Medical Officer | 86,527 | 0 | 23 Jan, 2026 |
| Adam J. Townsend | Chief Commercial Officer | 84,050 | 0 | 30 Jan, 2025 |
| Karen Lewis | Chief People Officer | 70,251 | 0 | 30 Jan, 2025 |
| Lukas Scheibler | Chief Research Officer | 68,299 | 0 | 05 Dec, 2023 |
| James George Chopas | Vp/Chief Accounting Officer | 65,955 | 0 | 30 Jan, 2026 |
| Timothy Eugene Sullivan | Chief Financial Officer | 0 | 60,396 | 10 Sep, 2025 |
| Jeffrey Eisele | Chief Development Officer | 55,312 | 0 | 30 Jan, 2025 |
| David O. Watson | General Counsel | 0 | 50,136 | 12 Sep, 2025 |
| Paul R. Fonteyne | 30,666 | 0 | 05 Jan, 2026 | |
| A. Sinclair Dunlop | 0 | 30,142 | 02 Oct, 2025 | |
| Gerald Chan | 25,666 | 0 | 05 Jan, 2026 | |
| Stephanie Monaghan O'Brien | 25,666 | 0 | 05 Jan, 2026 | |
| Craig A Wheeler | 24,444 | 0 | 05 Jan, 2026 | |
| Victoria L. Brown | Program Team Lead | 23,556 | 0 | 24 Jan, 2023 |
| Keli Walbert | 17,051 | 0 | 05 Jan, 2026 | |
| Mikael Dolsten | 14,312 | 0 | 03 Mar, 2026 | |
| Nicole D Perry | Vice President Accounting | 4,847 | 0 | 03 Aug, 2021 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 11 Mar, 2026 | Cedric Francois | Common Stock | D | 64,869 | $0.00 | 425,968 | D | G |
| 11 Mar, 2026 | Cedric Francois | Common Stock | A | 64,869 | $0.00 | 372,815 | I | G |
| 27 Feb, 2026 | Mikael Dolsten | Common Stock | A | 14,312 | $0.00 | 14,312 | D | A |
| 27 Feb, 2026 | Mikael Dolsten | Stock Option (Right to Buy) | A | 24,135 | $20.96 | 24,135 | D | A |
| 11 Feb, 2026 | Mark Jeffrey Delong | Common Stock | D | 368 | $22.15 | 114,591 | D | S |
| 03 Feb, 2026 | Cedric Francois | Common Stock | A | 8,840 | $3.76 | 490,837 | D | M |
| 03 Feb, 2026 | Cedric Francois | Stock Option (Right to Buy) | D | 8,840 | $0.00 | 0 | D | M |
| 28 Jan, 2026 | Kelley Boucher | Common Stock | A | 30,146 | $0.00 | 127,804 | D | A |
| 28 Jan, 2026 | Pascal Deschatelets | Common Stock | A | 25,840 | $0.00 | 1,177,222 | D | A |
| 28 Jan, 2026 | David O. Watson | Common Stock | A | 55,986 | $0.00 | 144,517 | D | A |
| 28 Jan, 2026 | Timothy Eugene Sullivan | Common Stock | A | 58,140 | $0.00 | 152,041 | D | A |
| 28 Jan, 2026 | James George Chopas | Common Stock | A | 16,150 | $0.00 | 65,955 | D | A |
| 28 Jan, 2026 | Leslie Meltzer | Common Stock | A | 45,220 | $0.00 | 107,024 | D | A |
| 28 Jan, 2026 | Mark Jeffrey Delong | Common Stock | A | 36,606 | $0.00 | 114,959 | D | A |
| 28 Jan, 2026 | Nur Nicholson | Common Stock | A | 45,220 | $0.00 | 116,338 | D | A |
| 28 Jan, 2026 | Cedric Francois | Common Stock | A | 195,952 | $0.00 | 481,997 | D | A |
| 22 Jan, 2026 | Timothy Eugene Sullivan | Common Stock | D | 10,287 | $21.77 | 93,901 | D | S |
| 22 Jan, 2026 | Mark Jeffrey Delong | Common Stock | D | 3,371 | $21.77 | 78,353 | D | S |
| 22 Jan, 2026 | Cedric Francois | Common Stock | D | 27,192 | $21.77 | 286,045 | D | S |
| 22 Jan, 2026 | Nur Nicholson | Common Stock | D | 7,725 | $21.77 | 71,118 | D | S |