QUODD

Insider Transactions last 24 months for Cyclerion Therapeutics, Inc. - NSDQ: CYCN

Transactions
All	Buy	Sell	Option Exercise

Filer's Name	Relationship/ Title	Trans. Date	Trans. Type	Ownership Type	Security Type	Shares	Price	Trans. Value	Total Shares Owned
Higgins Michael J	Director	03/25/2025	AA	Direct	COM	9,090	$2.75	$24,997.50	30,740
Hecht Peter M	Director	03/25/2025	AA	Direct	COM	181,818	$2.75	$499,999.50	559,203
Slate Path Capital Lp	Other	11/21/2024	DS	Indirect	COM	357,880	$1.55	$555,107.67	0
Graul Regina Margaret	President	01/01/2024	AA	Direct	COM	50,000	$0.00	$0.00	100,303
Hecht Peter M	Director	01/01/2024	AA	Direct	COM	15,000	$0.00	$0.00	377,385
Hecht Peter M	Director	12/01/2023	AA	Direct	COM	15,000	$0.00	$0.00	362,385
Hyman Steven	Director	11/30/2023	AA	Direct	COM	20,000	$0.00	$0.00	20,000
Desouza Errol B	Director	11/30/2023	AA	Direct	COM	30,000	$0.00	$0.00	30,000
Desouza Errol B	Director	11/30/2023	AA	Direct	COM	20,000	$0.00	$0.00	50,000
Hecht Peter M	Director	11/30/2023	AA	Direct	COM	20,000	$0.00	$0.00	347,385
Mcguire Terrance	Director	11/30/2023	AA	Direct	COM	5,000	$0.00	$0.00	5,552

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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		Send to Excel

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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