Insider Transactions last 24 months for Spero Therapeutics, Inc.  -  NSDQ: SPRO

 
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
Keutzer TimothyChief Operating Officer02/06/2026DSDirectCOM18,652$2.36$44,018.72742,506
Rajavelu EstherSee Remarks02/06/2026DSDirectCOM50,816$2.36$119,925.761,012,091
Rajavelu EstherSee Remarks02/06/2026DSDirectCOM37,101$2.36$87,558.361,062,907
Keutzer TimothyChief Operating Officer02/04/2026DSDirectCOM3,471$2.24$7,775.04761,158
Keutzer TimothyChief Operating Officer02/03/2026DSDirectCOM24,224$2.14$51,839.36764,629
Rajavelu EstherSee Remarks02/02/2026DSDirectCOM18,442$2.20$40,572.401,100,008
Rajavelu EstherSee Remarks02/02/2026AADirectCOM249,000$0.00$0.001,118,450
Keutzer TimothyChief Operating Officer02/02/2026DSDirectCOM18,891$2.20$41,560.20788,853
Keutzer TimothyChief Operating Officer02/02/2026AADirectCOM68,000$0.00$0.00807,744
Rajavelu EstherSee Remarks11/07/2025DSDirectCOM40,270$2.37$95,439.90869,450
Keutzer TimothyChief Operating Officer08/28/2025DSDirectCOM1,695$1.97$3,339.15739,744
Mahadevia AnkitDirector08/28/2025DSDirectCOM6,572$1.97$12,946.84703,294
Tregoning KathleenDirector06/12/2025AADirectCOM20,000$0.00$0.0075,000
Thomas Frank EDirector06/12/2025AADirectCOM20,000$0.00$0.0075,000
Smith CynthiaDirector06/12/2025AADirectCOM20,000$0.00$0.0075,000
Pottage John C JrDirector06/12/2025AADirectCOM20,000$0.00$0.0075,000
Vink Patrick V.J.J.Director06/12/2025AADirectCOM20,000$0.00$0.0075,000
Jackson Scott ThomasDirector06/12/2025AADirectCOM20,000$0.00$0.0075,000
Deshpande MilindDirector06/12/2025AADirectCOM20,000$0.00$0.0091,454
Mahadevia AnkitDirector06/12/2025AADirectCOM20,000$0.00$0.00709,866
Rajavelu EstherSee Remarks05/02/2025AADirectCOM185,000$0.00$0.00909,720
Mahadevia AnkitDirector02/05/2025DSDirectCOM55,260$0.78$43,102.80689,866
Mahadevia AnkitDirector02/05/2025DSDirectCOM13,959$0.78$10,888.02745,126
Shukla SathCEO & President02/05/2025DSDirectCOM106,408$0.78$82,998.241,736,883
Shukla SathCEO & President02/05/2025DSDirectCOM42,786$0.78$33,373.081,843,291
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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 		Export Table Data to Excel Send to Excel