QUODD

Insider: MacLean Michael F

Company Holdings	All	RNA	BIIB

Company Holdings

All

RNA

BIIB

	Direct	Indirect Ownership	Total
Shares	83,182	0	83,182
Value	$5,210,679.38	$0.00	$5,210,679.38

Ticker	Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
RNA	08/06/2025	DDS	30,914	Direct	COM	$42.73	$1,320,843.93	65,806
RNA	03/20/2025	DDS	7,935	Direct	COM	$31.06	$246,424.60	96,720
RNA	01/21/2025	DDS	1,622	Direct	COM	$28.59	$46,377.68	106,320
RNA	01/21/2025	DDS	1,665	Direct	COM	$28.59	$47,607.68	104,655
RNA	12/18/2024	DDS	11,151	Direct	COM	$32.66	$364,191.66	82,942
RNA	11/06/2024	DDS	27,262	Direct	COM	$46.22	$1,260,016.93	94,093
RNA	11/06/2024	DDS	13,875	Direct	COM	$45.33	$629,007.86	94,093
RNA	11/06/2024	DDS	65,182	Direct	COM	$45.33	$2,954,954.27	94,093
RNA	09/23/2024	DDS	11,510	Direct	COM	$44.00	$506,440.00	96,355
RNA	06/18/2024	DDS	11,228	Direct	COM	$39.13	$439,344.90	57,865
RNA	06/12/2024	DDS	104,245	Direct	COM	$35.72	$3,723,141.45	44,093
RNA	05/14/2024	DDS	75,000	Direct	COM	$28.28	$2,121,045.00	44,093
RNA	03/13/2024	DDS	40,000	Direct	COM	$24.52	$980,760.00	44,093
RNA	01/22/2024	DDS	1,616	Direct	COM	$10.13	$16,370.08	16,884
BIIB	08/02/2010	DDS	2,201	Direct	COM	$56.84	$125,115.18	17,376
BIIB	08/02/2010	DDS	2,206	Direct	COM	$56.84	$125,397.64	11,634
BIIB	08/02/2010	DDS	682	Direct	COM	$56.87	$38,783.23	20,494
BIIB	08/02/2010	DDS	917	Direct	COM	$56.85	$52,127.60	19,577
BIIB	08/02/2010	DDS	907	Direct	COM	$56.87	$51,579.00	16,469
BIIB	08/02/2010	DDS	582	Direct	COM	$56.91	$33,122.03	13,840
BIIB	08/02/2010	DDS	2,047	Direct	COM	$56.83	$116,331.83	14,422
BIIB	03/19/2010	DDS	4,085	Direct	COM	$60.00	$245,100.00	20,314
BIIB	01/19/2010	DDS	1,389	Direct	COM	$55.00	$76,395.00	23,261
BIIB	10/06/2008	DDS	2,047	Direct	COM	$50.00	$102,350.00	21,895
BIIB	07/31/2008	DDS	1,875	Direct	COM	$72.77	$136,443.75	24,895

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Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
08/06/2025	DDS	30,914	Direct	COM	$42.73	$1,320,843.93	65,806
03/20/2025	DDS	7,935	Direct	COM	$31.06	$246,424.60	96,720
01/21/2025	DDS	1,622	Direct	COM	$28.59	$46,377.68	106,320
01/21/2025	DDS	1,665	Direct	COM	$28.59	$47,607.68	104,655
12/18/2024	DDS	11,151	Direct	COM	$32.66	$364,191.66	82,942
11/06/2024	DDS	27,262	Direct	COM	$46.22	$1,260,016.93	94,093
11/06/2024	DDS	13,875	Direct	COM	$45.33	$629,007.86	94,093
11/06/2024	DDS	65,182	Direct	COM	$45.33	$2,954,954.27	94,093
09/23/2024	DDS	11,510	Direct	COM	$44.00	$506,440.00	96,355
06/18/2024	DDS	11,228	Direct	COM	$39.13	$439,344.90	57,865
06/12/2024	DDS	104,245	Direct	COM	$35.72	$3,723,141.45	44,093
05/14/2024	DDS	75,000	Direct	COM	$28.28	$2,121,045.00	44,093
03/13/2024	DDS	40,000	Direct	COM	$24.52	$980,760.00	44,093
01/22/2024	DDS	1,616	Direct	COM	$10.13	$16,370.08	16,884

Trans. Date	Trans. Type	Shares	Ownership Type	Issue Type	Price	Trans. Value	Total Shares Owned
08/02/2010	DDS	2,201	Direct	COM	$56.84	$125,115.18	17,376
08/02/2010	DDS	2,206	Direct	COM	$56.84	$125,397.64	11,634
08/02/2010	DDS	682	Direct	COM	$56.87	$38,783.23	20,494
08/02/2010	DDS	917	Direct	COM	$56.85	$52,127.60	19,577
08/02/2010	DDS	907	Direct	COM	$56.87	$51,579.00	16,469
08/02/2010	DDS	582	Direct	COM	$56.91	$33,122.03	13,840
08/02/2010	DDS	2,047	Direct	COM	$56.83	$116,331.83	14,422
03/19/2010	DDS	4,085	Direct	COM	$60.00	$245,100.00	20,314
01/19/2010	DDS	1,389	Direct	COM	$55.00	$76,395.00	23,261
10/06/2008	DDS	2,047	Direct	COM	$50.00	$102,350.00	21,895
07/31/2008	DDS	1,875	Direct	COM	$72.77	$136,443.75	24,895
07/22/2008	DDS	682	Direct	COM	$70.00	$47,740.00	24,895
04/08/2008	DDS	600	Direct	COM	$64.40	$38,640.00	26,391
04/08/2008	DDS	100	Direct	COM	$64.39	$6,439.00	26,991
04/08/2008	DDS	100	Direct	COM	$64.42	$6,442.00	26,291
04/08/2008	DDS	100	Direct	COM	$64.88	$6,488.00	25,577
04/08/2008	DDS	300	Direct	COM	$64.36	$19,308.00	27,091
04/08/2008	DDS	200	Direct	COM	$64.80	$12,960.00	25,977
04/08/2008	DDS	300	Direct	COM	$64.85	$19,455.00	25,677
04/08/2008	DDS	100	Direct	COM	$63.66	$6,366.00	27,391
04/08/2008	DDS	300	Direct	COM	$63.52	$19,056.00	27,491
04/08/2008	DDS	100	Direct	COM	$64.51	$6,451.00	26,177
04/08/2008	DDS	14	Direct	COM	$64.47	$902.58	26,277

Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
A = Grant, award or other acquisition pursuant to Rule 16b-3(d) C = Conversion of derivative security | D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) | E = Expiration of short derivative position | F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. | G = Gift | H = Expiration (or cancellation) of long derivative position with value received | I = Discretionary transaction in accordance with Rule 16b-3(f) | J = Other | L = Small acquisition under Rule 16a-6 | M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | O = Exercise of out-of-the-money derivative security | P = Open market or private purchase | S = Open market or private sale | U = Disposition pursuant to a tender of shares in a change of control transaction | W = Acquisition or disposition by will or the laws of descent and distribution | X = Exercise of in-the-money or at-the-money derivative security | Z = Deposit into or withdrawal from voting trust

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